In order to solve the problem of false tracking caused by background interference in infrared moving target detection under the port background, a port background suppression method based on multi-level filtering and phase marshalling is proposed. Firstly, a number of benchmark areas and feature line...

We proposed a process to find and recognize four typical eye movement signals hidden in EEGs. Eye movement signals contained in EEG are usually looked as artefacts by doctors. But they can be useful if the movements are intentionally launched for special purpose. Identifying typical eye movements from...

In the case of high dimension and small sample, the feature extraction method using Fisher linear discriminant analysis has a problem of pathological singularity. There are many solutions to this problem, in which LDA/GSVD algorithm overcomes the shortcomings of the existing methods, has a good recognition...

A DP-QPSK demodulation device what is based on Multimode Interference(MMI) cascading structure was proposal, This cascading structure does not require other additional production processes, and has good application prospect. The simulated results show that the structure can complete the polarization...

In order to improve the file transfer speed between two smart mobile terminals, the point-to-point (P2P) file transfer system based on near field communication (NFC) is specifically designed and implemented. Using simple NFC data exchange format (NDFT) protocol, the message exchanging is implemented...

The vision-based hand gesture is an important problem in the field of human-computer interaction since hand motion and gesture could potentially interact with computers in more natural ways. This paper is focused on control of mobile service robot based on vision-based hand gesture recognition. The database...

Main business application of big data is used to analyze the specific cases through health data model. Combined with the actual demand and development trend, the main business range of medical applications of large data includes intelligent auxiliary diagnosis, image data analysis, image intelligent...

A large data sharing system of medical information is the base of using information technology to promote the health informatization development in China. The construction of Chinese regional health information platform provides theoretical support and technical solutions. The use of big data and cloud...

The development of medical Internet is fast, so the related laws and regulations fail to keep up with the pace of its development. If a doctor practices online, there is no clear regulation and rules. At the same time, domestic clients haven’t the habit to pay for the medical service from the Internet....

Education informatization is the ultimate goal of educational development. As the most important element of education system, good management of class is the guarantee of high teaching level and quality. The application of information technology in the course of class management, is combining the management...

Aiming at the problem that the traditional attitude measurement cannot meet the requirements of small and unmanned aerial vehicles in industrial and civil areas in terms of weight, volume, and power consumption and so on, a UAV attitude measurement system based on MEMS accelerometer, gyroscope and magnetometer...

In response to the current UAVs need to man-control, poor life, signal transmission distance limitations can not be caused by the application of the UAV for patrolling, this article for the patrol UAV in the life, route planning, communication proposed a certain program, so that UAVs have more powerful...

This work demonstrates the use of the digital speckle correlation method to analyse the deformation of the metal aluminum films with glass substrate under temperature field. Our results can be adapted to further extend the applications and provide important reference for the designing of the key coating...

Excess fuel on board reduces payload and increases fuel burn. In order to reduce fuel consumption, the optimization of fuel policy is one of its technical. In this paper, a statistical method to fuel policy optimization with Minitab is studied. The QAR and flight plan data are used to analysis. As an...

Terahertz electromagnetically induced transparency (EIT) metamaterial based on the dual layered resonator array was fabricated on flexible polyimide films using photolithography technique. The samples were measured by terahertz time-domain spectroscopy (THz-TDS). The reflectance and absorption of the...

Considering the multiplicative model for speckle noises, the kernel regression base on multiplicative model is built as the maximum likelihood estimation. Then, the gray similarity measure is put up forward based on the Gamma distribution, so the speckle reduction based on the multiplicative model for...

For adapting the global Internet of Things, one of important things is building product lifecycle management (PLM) visualization control platform. The goal of visualization of PLM is to build a information integration platform. The information platform includes all kinds of demand information for all...

When designing database table structure, it is necessary to balance the design normal forms against properly retain redundant data. Based on design normal forms of relational database, a method called "Record relationship mark" is introduced in this article. The method helps to reduce program complexity...

The steam pipe network is a complex object to be modelled and monitored with traditional mathematical model. In this paper, the mathematical model of single steam pipe is analyzed and an innovated data-drive modelling method with piecewise performed principal analysis (PCA) is proposed. In this method,...

In order to better arouse the students' enthusiasm of extracurricular exercise, use asp.net+sqlserver2008 development tools and design a daily running exercise monitoring and management system for college students based on campus WLAN and Android platform technology. The students use this system to collect...

Due to round-off errors, watermark detection may not be perfect in the absence of attacks. In this paper, watermarks are adjusted so that the watermarked image is integer-valued. Near-perfect detection is achieved by the DC components of DCT and approximation images. Perfect detection is achieved by...

The monitoring and alarming system of a marine engine room plays a significant role in the shipping automation. However, the performance of a monitoring system depends largely on the development and support of both hardware- and software-based technologies. Different kinds of problems exist in the traditional...

To solve the problem of multI-causes process qualIty dIagnosIs In manufacturIng, an algorIthm based on the bInary tree of qualIty cause set and IntermedIate qualIty IndIces Is proposed. FIrstly, the set of qualIty cause Is dIvIded progressIvely to form a complete bInary tree, and then every node of the...

The Carbon fiber continuous sucker rod has wide application in oil field, but currenttly it adversely affected by the lack of processes and operations devices. In order to solve these problems by using combination of activity diagram method on the existing vehicle, based on second-class chassis , puts...

In this paper, a high speed amplifier used in high-resolution GSPS pipelined ADC is described. To satisfy a 14bit 1GSPS ADC accuracy and speed demand, The high speed amplifier adopts two-stage Miller compensation architecture. To increase amplifier gain, active gain-boosted cascodes and cross-coupling...

Forehand stroke technique is the most frequently used and aggressive technique in tennis competition. It’s also the first technique for beginners to learn. With the correct, standard and powerful forehand technique, beginners can not only occupy the active position, but also can lay a good foundation...

Based on the structure characteristics of the human physiological knee joints during the flexion and extension movements，we design a self-aligning wearable knee exoskeleton mechanism considering the principle of human - machine compatibility. The mechanism's mathematical model is established using the...

Based on the method of equivalent replacement beams(ERB) and superposition method for computing deflections of beams, deformation computation of statically indeterminate beams with the method of ERB is discussed. First, the method of ERB is introduced. Second, the conclusion of deformation computation...

In order to avoid the erroneous judgement produced by the motor discontinuous current, which is caused by the gap between mechanical friction and mechanical transmission. the power window anti-pinch system model is set up based on the MATLAB/Simulink, and the simulation has been done. The simulation...

With the rapid development of artificial intelligence and the development of intelligent hardware and equipment, the data has gradually changed from a single text mode to a diversified data. Diversified data is not only large in size but also diverse in scope, so it is not easy to conduct statistical...

With the improvement of tennis technology in China, it is necessary to study the composition of its technology philosophically.This article attempts to make a preliminary discussion on some aspects from the simplicity and complexity, accuracy and fuzziness of natural dialectics category of tennis technique,...

Anti terrorist and riot robot is composed of laser guidance, grasping system and walking device. It can replace some related personnel to do some dangerous operations. The grasping system studied in this paper is mainly composed of four parts: base, rear arm, forearm and mechanical gripper. Joint rotation...

In view of the problems that the off-line inspection of traditional measuring instrument was inconvenient to automatically correct the Computer Numerical Control (CNC) machining process parameters and feedback control the in-process machining quality, the configuration collaborative monitoring method...

Dynamic monitoring and risk assessment of liquid storage tank is an important technical part of enterprise safety guarantee. A general framework of safety monitoring system for tank area was brought up in this paper. It established a parameters monitoring and precaution system on the base of configuration...

Cascading tripping accidents are main causes of complex cascading outages in power system. This paper proposes a method of predicting whether cascading tripping will occur according to the nodal injecting power. In order to give the theoretical foundation of this method, this paper verifies that the...

Small changes in the production plan will cause frequent changes in machine tools, which brings the NC program quickly transplant needs, this paper integrates simulation, post processing and cutting parameters optimization technology, based on a typical example, successfully proposed and validated a...

In order to realize the automated warehousing information management, a storage information management system based on patrol robot technology was designed and developed. The robot's core controller uses a STM32F104 chip produced by ST Company. The position information of the robot is obtained through...

This article propose and use the Modify Constant Modulus Algorithm (MCMA) and Decision-Directed Least Mean Square (DD-LMS) joint equalization Algorithm to balance Inter-Symbol-Interference (ISI) at the receiving end of 16-QAM. We analyzed the joint equalization technology implementation and switching...

Some fracture-cave units controlled by single well in fractured-vuggy carbonate reservoirs lack natural energy, which leads to rapid decline of production and recovery. Having applied the N2 huff and puff, Tahe Oilfield has improved their exploitation. However, the effect of N2 injection weakens in the...

In order to solve the problem that no suitable technologies are available for the sludge removing of rainwater storage tank，a novel set of sludge discharge regulator has been designed, its principle is explained, its structures and components are introduced, the working conditions are analyzed. The analysis...

Under the influence of marine environment such as wind, wave and current, the lifting movement in the vertical direction will be produced. Heave movement will not only affect normal operations, but also lead to serious safety accidents and environmental pollution. The research object of the technology...

To suppress the pulsation problem for the linear hydraulic motor , the pulsation problems of instantaneous angular displacement pulsation and instantaneous angular torque were analyzed. The kinematics equations of the motor crankshaft linkage were established. The kinematics models were simulated and...

According to the arrangement mode of ship anti-heeling airbag and the principle of various connecting and fixing modes, the corresponding connection device is put forward, and the force condition of the connection device is studied, and the strength of the connection device is analyzed. The results show...

By the advantage of high CMRR and high input impedance of the parallel connected differential amplifier, this paper designs a comparison amplifier which has good linearity.

Heart Rate Variability is the description of instant duration change between two linked heartbeat in a series of continuing ECG signal. It was found that it can be used to recognize people’s psychological stress. Characteristic parameters selecting and recognition model have becoming the kernel of study....

In recent years, with Schiff base being applied and researched deeply in biology, IsoIsovanillinSchiff base ligands’ synthesis and the coordinathion properties have become a hot spot in the research of Schiff bases compounds. This paper expounds that we keep Isovanillin and taurine as the raw material...

We design an adaptive quantized tracking control for a class of nonlinear systems with unknown parameter combined with quantized input. It is proved that by using the proposed method, all signals of the closed-loop system are bounded. Moreover, a very coarse quantization input can be obtained and the...

In this paper, an intelligent monitoring terminal for boiler operating state was studied based on embedded technology, wireless communication technology, and highly integrated design technology. The architecture of intelligent monitoring system for industrial boiler was proposed firstly, and then the...

This paper focuses on the mainstream three image restoration method, which is based on image restoration technology, based on a priori smoothness of image inpainting, texture similarity based on a priori statistical prior of image inpainting technology, according to the most popular method for the image...

Based on the problem of abnormality of the pitch angle’s residual error in the dynamic calibration process of the Ka system, this article analyzes reasons of the problem from many aspects. It checks reasons one by one and finally determines the main cause of the problem. Through the parameter correction...

At present, most of the measurement and control communication services in the aerospace field utilize the S and C frequency bands. The usage of the higher X and Ku frequency channels is also increasing. However, as the frequency band resources become more and more crowded, the Ka frequency band necessarily...

A smart control component is a type of embedded systems, such as SoC, system on a chip. It may control various objects and build to internet of things, IoT. Bicycle sharing systems are popular and green transports in China. They can be set up based on IoT and smart control components. In this paper,...

In engineering design and experiment, the speed of DC motor is often controlled. The common way is to generate PWM wave through timer, and adjust the speed of motor according to duty cycle. In theory, the velocity is proportional to the duty ratio. But in practice, because of the resistance, friction,...

Aiming at the issue of constrained optimization problem of assignment for shipborne missile weapon, hybrid genetic algorithm has been proposed in this paper, which can get global optimization results of the assignment, and provide decision support for the assignment.

the optical transmitter and optical receiver composed by light. Two important indicators of the optical transmitter average optical power, extinction ratio of two important indicators and optical receiver sensitivity, dynamic range are analyzed, and the importance of their carefully introduced test method....

The job-shop scheduling problem (JSSP) is a typical scheduling problem, which belongs to NP-hard problem. This paper tries to solve the complex JSSP by translating it into Boolean Satisfiability Problem. Even though the representation of JSSP in SAT is not a new issue, the solution to the complex JSSP...

In this paper, we present an improved method for obtaining quasi-cyclic low-density parity-check (QC-LDPC) codes of larger length by combining some component QC-LDPC codes of smaller length. Large girth can be obtained by carefully designing one large girth component code of smaller length. The other...

In this paper, a new variable step size LMS algorithm based on cosine function is proposed. The weak signal is difficult to extract, so we constructed a new relationship between the step size and the error signal, which depend on the mathematical transformation of the cosine function, and also analyzed...

In this paper, we study the homomorphic techniques used in GSW fully homomorphic encryption scheme, and point out the drawback which prevents the GSW scheme from efficiency. In order to conquer the weakness of low efficiency, we propose an improved homomorphic technique. Through comparative analysis,...

In order to improve the uneven utilization of resources, electricity power loss and QoS (Quality of Service) in the cloud environment, a multi-objective VM (virtual machine) dynamic Scheduling mechanism is proposed. The VM in the cloud environment is dynamically managed via designing the strategy of...

The Radio Frequency IDentification (RFID) based Active Vehicle Positioning (RAVP) is a feasible and high precision positioning method for moving vehicle on road when someplace uncovered by the signal of GPS or some other satellite based positioning systems. In this paper, RAVP is introduced and the precision...

By design the program and control the corresponding hardware devices, to design a Stepping motor control system to control the rotation of the stepping motor. The software part of this system is programmed based on LabVIEW, and communicates with the ELVIS II platform via USB port of the computer, so...

To overcome the drawbacks of both traditional extension strategy analysis methods and traditional decision tree classification, an extension strategy analysis method based on decision tree classification was proposed. First, original data were obtained through basic-element theory and optimized by extension...

As the foundation of network cognition, management and optimizing, the classification of network traffic is making a significant difference in resource scheduling, safety analysis and future tendency prediction. Feature subset selection (FSS) based on machine learning plays an important role in classification...

The paper proposes a matrix converter using unipolar IGBT, which is composed of three-phase rectifier and single-phase inverter, and transforms three-phase AC into single-phase AC. The main characteristic of converter lies on the only use of the unidirectional power transistor and no need DC support...

3D film viewer is a kind of instrument that can display flat models that can display three-dimensional models. Its simple structure, clever design, and small size are suitable for large and small-format color or black-and-white flat pictures. You can view three-dimensional pictures consisting of perspective...