This paper describes the method of using MPU6050 to detect the dip angle, and designs the hardware circuit. In order to make the detection angle more accurate, the Calman filter algorithm is used in the software programming, which can effective-ly remove the interference and make the measurement precision...

The navigation computer plays an important role in the missile guidance system. With the development of missile guidance systems, the navigation computer is required to have higher practical performance. However, DSP navigation computer hardware module couldn't meet the requirements any more .Due to...

Radial basis function (RBF) neural network is a novel and effective feedforward neural network which has been widely used in nonlinear time series prediction. In this paper, the tunnel diode is selected as a modeling object to measure the input and output characteristics in the laboratory environment....

China's current population problems, is the introduction of the second child policy. In this paper, we evaluate the influence of the comprehensive second child policy on China's population. We first establish the appropriated evaluation index system, and then through the establishment of mathematical...

The application of CAN bus in the greenhouse temperature control in cherry is introduced. The design of STM32 based controller, two wire Pt100 temperature acquisition thermistor bridge measurement circuit through the output differential signal, amplifying the information by differential amplifier LM324,...

As a core component of precision CNC machine tool, spindle's thermal characteristics affect the machining accuracy of the machine tool. In order to understand the influence of temperature increase on the deformation of the spindle system, the simulation model of the spindle system is established by determining...

Quantum security direct communication is based on quantum physics, combined with the classic communication theory. It becomes a new communication model, its transmission of information on the high efficiency, security has been more and more extensive attention. That is, since the beginning of this century,...

With the expansion of robot applications,the task done by the robot is more complicated. In order to meet the needs of special groups such as the elderly and children, we combine the mobile voice software development kit (SDK) of Xunfei platform with Google's software development Tool to create a voice...

Due to the characteristics of environmental protection, photovoltaic power generation has been deeply loved by the energy sector of all countries, so they put great effort into research and development. The initial investment of photovoltaic power generation is large, and its construction and popularization...

We analyze both the heat loss and heat absorption of water in the bathtub, establish the model of water temperature in time and space, by establishing a coordinate system in the shape of rectangular. We use the finite element method to solve the model and take interpolation method thinking about average...

This paper gives explicit expressions of generating idempotents of higher power residues codes of length over the binary field, where is a prime. By computing the greatest common divisors of these generating idempotents and the polynomial with computer software such as Matlab and Maple, one can get the...

Network big data refer to the massive data generated by interaction and fusion of the Ternary human-machine-thing universe in the Cyberspace and available on the Internet. The Increase of their scale and complexity provided that of the capacity of hardware characterized by the Moore law, which brings...

With silicon powder content and the hybrid fiber content as parameters, will be 1 as ordinary concrete beams and the control group, three different content of silicon powder and 2 root hybrid fiber volume content of beam as the experimental group, the modification of the flexural performance of recycled...

This paper, by introducing the construction on institutional repository of university alliance of CALIS, the author describes the system and platform construction, standard construction and resource construction of CALIS institutional repository. This paper studies the support of CALIS institutional...

Traditional rectifier circuit by the diode or thyristor, work to produce a large number of harmonics. Active power factor correction (PFC) on this basis to add high-performance full-control power electronic devices, such as MOSFET and IGBT, and control the input current to make it close to the sine wave...

This paper presents an algorithm that changes the pixel position and the size of pixel values of digital images on the basis of Logistic system, using simple divisibility and XOR operation. The algorithm successfully encrypts the image. Experiments show that the algorithm is simple, crack the secret...

The packaging color of goods is the first impression of goods for people and has a great influence on the purchasing behavior of consumers. This paper will discuss the combination and application of enterprise standard color and packaging color by analyzing the simplification trend of the modern commodity...

With the popularity of networking technology, agriculture will gradually shift from a manpower centered, depending on the isolated machinery production mode to the information and software centric mode of production, therefore a variety of automatic and intelligent remote control equipment is used extensively....

In order to improve the dynamic performance of the dual-drive feed system of vertical CNC machine tools, according to the vertical machine center KSMC1250 Y axis dual-drive feed system for the study, based on the d Alembert's principle of mechanical dynamics, contained the bearing friction torque, guide...

In the era of rapid development of this technology, we are enjoying the convenience of technology, but also bear the personal information and property risks. Therefore, the information security technology is also constantly improving and development. From the traditional password password gradually turned...

This paper introduces the designed method and main feature of Management Information System of sale-building based on C/S model,discusses the software architecture and the network model of the system. Through analyzing all kinds of business flow in the system, the paper has introduced the main function...

The development of science and technology makes electronic countermeasures role in modern war is more and more big, the use of Radar reconnaissance enemy and by means of electronic countermeasure jamming enemy Radar ew equipment such as become an indispensable part of modern warfare. In this context,...

Serial port is an important external interface of microprocessor. It can be used for communication and information exchange between microprocessor and computer, and between two microprocessors. It is also an important means of debugging programs. STM32 serial port resources are very rich, and the function...

The paper focuses on the influence of bearing band on the flow field and aerodynamic force of the projectile. Numerical model of projectile with and without bearing band are simulated under a supersonic flow condition. The flow field parameters and the aerodynamic drag coefficient of models were obtained....

In this paper, we first introduce the hierarchical structure of semantic Web, the goal of semantic Web, and describe the definition of ontology and the properties of the elements such as concepts, relations, functions, axioms and instances. In this paper, the domain ontology is integrated into the Web...

As the load-sensitive multi-way valve is being used more widely, its performance is becoming more and more important in the hydraulic system. Thus it is urgent to design a low-cost system which can quickly measure the performance of load-sensitive multi-way valve. Taking the load-sensitive multi-way...

The oil slick outline and the information of thickness are important indicators of estimating oil spill. How to estimate the oil slick thickness quickly is a hot research topic. In this paper, multi-feature fusion strategy is used to design classifier based on the potential correlation between Polarimetric...

Artificial intelligence is now well known to more and more people. Especially, AlphaGo won world go champion Leeshishi. And more and more families are using vacuum cleaners. In the development of artificial intelligence, there are different kinds of voices in society. Actually, there are also a lot of...

This paper used SolidWorks to design pure electric car structure, and interfaced into the ANSYS through the graphical data conversion. The finite element model of the vehicle is generated by grid division. The finite element analysis of the vehicle body is carried out. The strength and stiffness characteristics...

Slide valve spool throttling grooves play a very important role for the working performance of multi-way valve. In order to solve some problems such as serious pressure loss and excessive operating force of hands, when multi-way valve is in working. An improved scheme of new type throttling grooves is...

Problem: With the evolving and rapid development of information warfare, how to effectively use of electronic warfare equipment, give full play to our capacity, has become the focus of common concern. In the course of the actual confrontation, the opponents of electronic countermeasures are often hidden...

The BOPPPS model consists of six elements, including bridge in, learning objective, pre-test, participatory learning, post-assessment and summary. For the implementation of BOPPPS model can have a better teaching effect, authors suggested that pay attention to after class, flexible use of various teaching...

With the rapid development of computer and related information technologies, risks associated with computer system are increasingly rampant[1]. And buffer overflow vulnerability is still the primary mean used by many hackers to attack soft application especially developed in unsafe programming languages...

The influence of different assembly misalignment on the meshing performance of spiral bevel gears was studied. Based on the principle of local synthesis, the meshing model of spiral bevel gears is established. The tooth contact analysis of spiral bevel gears is introduced. Taking a pair of spiral bevel...

Based on the switching power supply as an example, through the establishment of evaluation index system of switching power supply quality, the weight coefficient of each evaluating indicator is given by experts using the cycle calculation method and the direct digitization method as the basis for quality...

Smart city is a concentrated expression about the urban sustainable development and a new mode of contemporary urban development which providing a more high-efficient and flexible strategic support for urban governance. It is based on the comprehensive application of Internet of Things and the large...

The energy-saving optimization of three-phase asynchronous motor is studied in this paper through the analyses of its working principle and structure. Via a three-phase AC regulator of neutral line-free star connection, six thyristors VT1 and VT2, VT3 and VT4, and VT5 and VT6 of the regulating model...

Composition technology is the key factor of component based software development. Assembling component models to derive interaction test cases is a common way of component interaction testing; however, one of the consequences is the difficulty to test different component models sufficiently and the other...

A predictive model is presented for the surface roughness in high-speed milling of P1.2738 (plastic die steel)based on BP Neural network. The data for establishing the model is derived from the experiment conducted on a high-speed 5-axis machining center by factorial design of experiments. Compared with...

With the rapid development of mobile network technology and the popularity of intelligent terminals, the scale of mobile social network users continue to increase, making personal information security and privacy protection as mobile social network users generally concerned. This paper gives a simple...

In order to understand the relationship between gender and different anxiety dimension of foreign language learning, CET4 total scores and the scores of the three skills (listening, reading and writing), a random sample of 196 sophomores were investigated on each anxiety dimension of foreign language...

With the development of cloud computing and big data, technology has entered the era of big data, big data mining and intelligent applications are the hot spots of current scientific and technological research. This paper describes the background, features of big data development etc., combines the characteristics...

This paper first introduces the basic principle of collision detection and collision of several commonly used detection method, and make comparison of them, and point out the advantages and disadvantages, finally put forward a fast collision detection algorithm based on optimal bounding sphere, and on...

The safety supervision of hazardous chemicals in port is the most important task of China port safety supervision at present. Through analyzing the inadequacies and problems of port hazardous chemicals safety regulation in actual work, put forward the basic ideas of comprehensively improving the ability...

In this paper, the definition and connotation of quantum communication technology are briefly analyzed, and the ideal model of quantum communication is briefly summarized. Secondly, the characteristics and advantages of quantum communication technology are briefly analyzed based on the progress process...

The extraction characteristics of small molecules from peanut shell with ethanol, acetone and petroleum ether were investigated. The extracts were detected and analyzed with infrared spectrum analysis (FTIR). The results show that the effect of ethanol extraction was better than acetone and petroleum...

For a conventional powered underwater vehicle, different use modes of power system have great influence on important technical performance indexes such as underwater range and underwater endurance time. First of all, this paper attempted to study the modeling method of the core energy module for the...

The rapid updating of the level of modern science and technology, in the promotion of office automation under the premise of the computer into the office operation process throughout the work. This paper mainly introduces the characteristics and functions of office automation, as well as the development...

With the continuous development of information technology and its wide application in the field of education, the implementation of higher education informatization is imperative. Digital campus is regarded as the highlight of educational information, especially attention. This article starts with the...

Aiming at the day-ahead optimal problem of microgrid, according to the accurate wind and light output data within 24 hours, this paper establishes the optimization model. In the case of adding storage battery regulation, the regulation and distribution model of the storage battery in one day is established,...

This paper describes the working principle of the STM32 drive OLED screen, design of the hardware circuit, program the software. English characters and numbers can be displayed on the OLED display. Graphics can display by font generation software at the same time. The design is especially suitable for...

With the rapid development of modern electronic technology, the circuit is highly integrated and large-scale, which leads to the complexity of circuit fault diagnosis. Based on this, a method put forward in this paper is to use BP neural network to diagnose the fault of analog circuits. According to...

In this paper, we solve the problem of airport security passing efficiency. First, we processed the raw data to calculate the service efficiency of each region. Next, based on Markov network queuing theory, we established the basic model which can show the passenger traffic situation of airport security....

In order to change the situation of the worse circumstance and energy shortage, how to develop new energy comes to be an issue related not only to China but also the whole world. Development of energy contributes closely to the economy growth. From the perspective of environmental protection, developing...

Which TV program can catch your attention when you are channel surfing? In this paper, several models are proposed to solve the problem. Our efforts in building these models followed the path below. We establish a judgment matrix to obtain the weight of index using Analytic Hierarchy process (AHP). Then,...

In order to study the fiber of fiber recycled concrete (F-RAC) on the mechanical properties and deformation performance, through the 72 groups of 216 pieces of concrete specimens of different substitution rate of RAC were studied, the results showed that the addition of a single fiber, the flexural strength...

Soil temperature and humidity is a dynamic part of the soil properties, it is an important factor of affect the soil fertility. Soil temperature and humidity in different periods of change trend is very different. During each period, according to the comparative analysis of forecast values and measure...

In the electronic design competition and practical applications, there are often a variety of smart cars. Its performance and requirements are constantly improving. Automatic tracking is one of the basic problems to be solved. The black and white line tracking is a commonly used way. In the black and...

In order to discuss the effect of the base cavity shape on the projectile aerodynamic force, projectile with different base cavity shape, column and truncated-cone (dilation and shrinkage one, with different incline angle " ", 15ø, 10ø, 5ø, 2ø), was investigated numerically. The distribution of the flow...

Big data analysis refers to the huge size of data analysis, from a large amount of data to extract potential valuable information. Hadoop, the core of the Hadoop distributed file system and MapReduce, provides users with the underlying, detailed, transparent distributed infrastructure. In this paper,...

The design and the modal analysis of a small turbocharger rotor system are carried out in this paper. The design process and method of rotor system are summarized. Some useful conclusions are obtained in the modal analysis. These results will provide engineers with valuable information about the vibration...

Nowadays, the information technology develops rapidly, and the network is used by people more and more frequently. As the previous teaching model and method are too single, a variety of explorations on the teaching model have been done. And now, due to the rapid development of information technology,...

One of the tasks of smart city construction is intelligent traffic management. The building of intelligent traffic signal system is the infrastructure project. It has the functions of the real-time perception of traffic flow in the urban road, and taking the traffic signals connect to the Internet for...

With the continuous development of science and technology, mobile Internet plays an increasingly important role in people's daily life. The scale of Mobile Internet users are growing greatly, mobile Internet has become the focus of the current global information industry competition, its development...

Wireless network can be used to digital community monitoring system, personal positioning method is the important component of the digital community monitoring system. On the basis of studying the traditional personal positioning algorithms, we proposed a trilateral-weighted centroid localization algorithm....

The stepwise extractions of corn cob were carried out with petroleum ether and acetone, respectively. The extracts were detected by FTIR. The results show that The dissolution law of organic matter in two solvents is similar. In the fourth extract, the content of the substance was relatively weak and...

This paper had studied the basic properties of an ordinary concrete beam and a RAC beam with 50% replacement ratio and a EC-RAC beam which contains 0.3% hybrid fiber respectively by 3 groups of 15 standard specimens, and three simply supported beams under shearing without web reinforcement was stimulated...

As the way of non-contact mode of sensing, the application of industrial robots in production line is more easy to adapt to the change of product and put work piece. Robot vision provides the real-time target state information of the object, so it has been considered to be one of the most important awareness.Vision-guided...

This paper implements the reconstruction of two filters based on MicroBlaze,he top-level design defines two reconfiguration regions, each of which has four reconfiguration modules, and two reconfiguration regions:All pass, band stop, low pass and high pass,Various configurations of filters are finally...

The data mining course is an important course of postgraduates of statistics and computer science and technology majors in Jingdezhen Ceramic Institute. In order to improve the postgraduates' ability of learning the latest expertise in the field of data mining and tracking the frontiers of discipline,...

Objective: Through the consultation of a female college student, psychological counselor effectively help the bereaved girl out of the shadows, and improve the quality of life and learning efficiency. Methods: According to the generalized analysis, the problem of the client was post-traumatic stress...

Drying is an important part in the process of producing ginseng, and it is an important means of processing and storage. At present, the drying system based on the dryer can not control the drying environment intelligently, and it has a great influence on the intrinsic quality, smell and water content...

Dynamic reconstruction technology has been widely used in the field of embedded systems. Because of the limited chip resources, multiple processors are embedded at the same time, which takes up too much chip space. So, In order to save limited chip space, developers often use dynamic refactoring techniques...

With the approaching of internet plus era, it is urgent for Business Management to explore a new mode of innovation and entrepreneurship. By analyzing the current condition of business administration, we can find out that there is a glittering array of problems, including shortage of innovation and entrepreneurship...

Magnetic shape memory alloy (MSMA) is a new intelligent material that can produce large stain in magnetic field, and mean while has the shape memory function. Using these characteristics of MSMA, one can fabricate intelligent actuators for vibration control of structures. At first, the mechanism of deformation...

This paper is based on the theory of uncertainty, will choose the smallest uncertainty as the ultimate goal, and based on that to choose the optimal experimental theory and experimental program. This study can be designed to experiment, in order to screen out the most appropriate program, which play...

With the accelerating increase of traffic flow data in the field of intelligent transport organization optimization and illegal road facility information, traditional database technology can no longer meet the demand for huge data in data storage and business processing performance, but big data processing...

Along with the development of computer technology, automation technology and network communication technology, building and district intelligentization has made a new leap and has been developed rapidly. Therefore, it is very urgent to carry out scientific management on the building and district intelligentization....