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The fetal heart rate (FHR) is a significant indicator of whether the fetus in the mother's womb is healthy. Ultrasonic Doppler detection is extensively used in the detection of FHR due to its high sensitivity, good directivity, and non-invasiveness. However, analog multiplier demodulation is usually...

This paper has investigated the effect of hue on visual comfort and depth perception through subjective assessment experiments with the stereoscopic images generated by computer. The evaluation results indicated that the variable of hue would significantly affect the viewing experience under different...

In this paper,Aiming at the weakness that the commonly used traditional PID controller can not obtain good anti-interference ability and set value following performance, a two degree of freedom model driven PID controller (MD-TDOF-PID) based on Labview is designed. Proportional derivative compensator...

With the extensive application of machine learning. Deep convolution neural network (DCNN) learning method is developed on the basis of a multi-layer neural network for image classification and identification of specially designed. It has been improved and applied for single image super-resolution problem...

This paper introduces a choice of lower complexity for two different filtering operations based on Filtered OFDM (F-OFDM). The first filtering operation is implemented by linear convolution in time domain, and the second one is realized by multiplication in frequency domain (fast convolution). They are...

With reverse thinking, based on the phenomenon of chromatic dispersion, double monochromatic light sources scheme was used to solve the phenomenon of defocus in large-depth-field single lens digital imaging system. Two specific narrow bandpass filter was employed to filter the LEDs into two monochromatic...

This paper presents an innovative method with the variable-learning-rate-based back propagation neural network (BPNN) for establishing a quality prediction model of tobacco redrying process. First, characteristics of the process and correlation of the process variables are analyzed, and eight input parameters...

Precision of ball screw had a great impact on the positioning accuracy of NC positioning platform. The lead error and backlash of ball screw, which could be accurately measured by laser interferometer, were two key factors affecting the positioning accuracy of NC positioning platform. By setting the...

This paper addresses the problem of scheduling jobs on parallel machines with machine eligibility restrictions so as to balance the workload among machines. A weighted bipartite graph model G=[J M,E,W] is used to formulate the studied problem. We propose a two-phase algorithm to find the optimal solution....

This paper mainly focuses on the content-based image search system. First introduces the research status of CBIR in China and abroad, and then proposes and illustrates two key problems affecting the accuracy of the system, summarizes commonly used methods to solve these two problems.

Automotive industry in the Czech Republic is important and highly monitored. The reason for this is mainly the fact that the automotive industry contributes significantly to the formation of GDP, according to Ministry of Industry and Trade (MIT, 2015) 15% long-term profit is made in the automotive sector....

Accounting addressed to support the management has been developed in enterprises in Poland on a wider scale since the 1990s, i.e. since the restoration of the market-based economic system after a half-a-century break. The paper aims to identify the perception of the nature and scope of management accounting...

This paper investigates if accounting evolved as a result of the interaction of special economic, cultural and political institutions which prevailed in Medieval Italy. A two-step approach is implemented by the Historical and Comparative Institutional Analysis. First we investigate the features of above...

As to the publishing of "13th Five-Year" Environmental Planning whose core is improving the quality of the environment. So the deodorization of odor in urban sewage treatment plants has become an important part of their comprehensive upgrading and transformation in China. It can be seen that the technology...

.In this article, we introduced the classification and prediction algorithm of data mining into aircraft engine fault diagnosis, then analysis and compare the Random Forest algorithm and Neural Network algorithm.The simulation of these algorithms and experimental results show that the two methods have...

In sewage treatment, the sewage whose carbon and nitrogen(C/N) ratios is less than 8 is defined as low C/N ratio sewage. This study contrasts the treatment effects under different C/N ratios in aerobic membrane bio-reactor. The experiment is performed in the following conditions: Temperature is from...

Improving recommender performance is beneficial. However, sparsity and scalability of data is a problem faced by recent recommender systems. Customer interests and available products are changing constantly. Social interactions among users are highly influential on the effectiveness of the recommendation....

Peer assessment has got a lot of attention because it serves as a useful tool for scaling the grading of open-ended works. But it does not always produce accurate results because of two important reasons: students' ability and students' attitude. Based on students' peer grades and the evaluation attitude...

The interception of the hypersonic weapons in near space is the main problem considered in this paper. The designed interceptor is assumed to have much lower speed than its target and very limited maneuverability in the near space atmosphere. To deal with this problem, a two-loop Partial Integrated Guidance...

In the modern society, static defect detection technology become an effective way to build reliable software. But the phenomena of misinformation and failing to report in the result of static defect detection makes testers needed to confirm the false alarms one by one manually. It is necessary to improve...

The main research content is a quantitative description of the structural uncertainty problem (Quantification Uncertainty) based on the finite element theory. For the first time, reduction integration method is used to decompose multi-dimensional random response function, the multi-dimensional function...

In the intelligent optical networks, there are two key problems in the long-distance and high-speed intensive service transmission. First one, the sharing scheduling problem of the optical networks resources, namely the privacy problem. Second problem, users of network services require high-quality,...

The oxidation kinetics of natural rubbers prepared by coagulum of fresh natural latex coagulated with formic acid or microorganisms were studied. The maturation time of coagulum is 6, 12, 18 and 24 hours respectively. The results show that the oxidation activation energies of natural rubbers prepared...

This project is a residential area, the project is composed of two towers and commercial podium, is a collection of commercial, office in a body's comprehensive construction, where two towers total height 46.8m. The project according to a class of building lightning protection grounding design, roof...

According to the theory used in researching certain type of doubly singular differential equations, by computing directly, we find out that a singular partial differential equation in two complex variables has a unique formal power series solution which is in a special form and whose coefficients can...

Data sharing among organizations is a practical application problem. In 2015, T. Miyamoto, Y. Murakami and M. Kasahara proposed two inter-organization cryptographic schemes for secure communication among organizations. Firstly, we give a security analysis of their RSA-based inter-organization cryptographic...

Supply uncertainty has a significant impact on the overall supply chain. In this paper, we study the supply chain model of one producer and two suppliers, and establish the expected cost function of the producer and supplier. The change of the total cost of procurement supply chain and the optimal order...

The proto-porcelain pot with two lugs of the Western Han Dynasty was excavated in 1963 at Che jiabao of north suburb of Xi' An City, and which is collected in Shanxi History Museum. The pot with two lugs is proto-porcelain, and which has the transitional characteristics from pottery to porcelain. There...

With the development of Internet technology and popularization of mobile terminals, the Internet across time and space has changed people's lifestyle gradually. Social network is the mobile terminal network application favored by college students. It brings not only the convenience but also some disadvantages...

The performance of commercial banks not only affects their own development, but also relates to the operation of the national macro economy. Through the analysis of the banking business. From the four aspects of profitability, management ability, growth and development ability and the security of bank...

Basing on scene analysis and VaR calculation, this paper discussed system architecture of scenario calculation and accurate data's importance of system model from the view of system theory. We also discussed several kinds of data errors and their processing methods to avoid the error of data. Then we...

This paper used urban data as analysis object. The author collected data from 2003-2013, 288 cities in our country as the research foundation, using cross-section data regression of econometric model. This paper explored the correlation between financial development and economic, expounded the action...

This paper inspects the effects of structural reforms of the mainland on the cross-strait economic and trade exchanges between 1995 and 2014. The research focuses on four fields: the institutional reform, the reform of the financial sector, the reform of the labor market, and the reform of the trading...

The development plan of Guangdong, Hong Kong and Macao Bay Area is going be launched soon, and the construction of Guangdong Free Trade Zone will continue to advance. Guangdong faces the dual national strategic and policy advantages of the Bay Area and the Free Trade Zone in the “One Belt and One Road”...

Teachers in Senior High Schools (Public Senior High School/Public Islamic-based Senior High School) in East Java only comprehend 42.5% out of thorough concepts of national food safety pursuant to Government Decree No. 28 Year 2004. Out of seven aspects of food safety, five of which are hard to comprehend,...

This study intends to describe the model of engaging in the influence of corruption in Indonesia. Although it has not been regulated in anti-corruption laws, some cases of trafficking have been prosecuted by applying the provisions of a bribery offense. Reviewing the application of the principles of...

Parking lot is one of the important public facilities for all people because of its function to accommodate the stopping vehicles. However, because of its limited parking area, a lot of vehicle users park their vehicles at side of the road. It resulted in street problems because the road become narrower...

Alternative conception is students' conception of scientific concepts that are inconsistent with the conception of scientists. Various studies show that alternative conceptions of chemical concepts occur in students, including acid-base concepts. Various identification of alternative conception methods...

Edith Wharton’s The Age of Innocence and Wang Anyi’s The Song of Everlasting Sorrow are regarded as masterpieces in their respective countries and arouse many critics’ interest. This essay explores how the two heroines, Wang Qiyao and Ellen, are closely connected with the cities they live in. Although...

The long working hours and high-intensity work pressure of medical staff cause conflicts between their family and work roles, a high level of burnout, and various psychological and physical problems, which are urgently needed to be resolved. Therefore, with the medical staff as the research object, the...

Interdisciplinary and cross-disciplinary integration can not only provide the viewers only give viewers a better way of behavioral experience but also bring new vitality into the industry. With the promotion of digital technology, 3D animation has developed rapidly and become the mainstream of the animation...

Now on the market are used motor-driven robot, so the ultimate environment (such as underwater) and cannot successfully complete the operation, and the use of micro-hydraulic system can effectively improve the torque, and can better be used in harsh environments. Using a fuel tank as the power source,...

For the strong theoretical, practical and applied characteristics of "Hydraulic and Pneumatic Transmission", the traditional teaching methods of the course has been facing difficulties which the teachers find it difficult to teach and the students feel it hard to learn for a long time. In order to improve...

Aiming at the defects of existing image restoration algorithms, the image restoration algorithm based on two dimensional constant modulus blind equalization algorithm is proposed. In this proposed algorithm, the constant modulus blind equalization algorithm with fast convergence and small mean square...

Different from traditional immunization strategies, which suppose that the contact frequency of all nodes is same, in this paper, a new immunization strategy was established based on the principle of 'High-Contact-First'. The different link with different weight describes the relationship between different...

1-(2-(piperidin-1-yl)ethyl)-1H-pyrrole-2-carbaldehyde 4a-b is a new aqueous solubility aldehyde as an important intermediates of small molecule anticancer drugs. In this work, a rapid synthetic method for target compounds 4a-b was established. The compound 4a-b was synthesized from the commercially available...

Afatinib (1) exhibited potential biological activities in medicine. There are shortcomings in the synthesis route of afatinib in the literature, the product yield is low and the post-processing is complicated. Therefore, in this paper, the two-step synthetic route of afatinib was optimized. The two-step...

How to find the optimal path between two nodes has been one of the most difficult problems in the internet. In this paper, a method of finding the optimal path based on neural network technology is proposed, which solves the problem of finding the optimal path by adjusting the weight of the neuron. The...

3-phenyl-1H-pyrazole (1) is an important intermediate for the synthesis of many biologically active compounds. It was synthesized from acetophenone (2) and hydrazine through two steps including Knoevenagel condensation, Cyclization reaction reaction. In this paper, three novel 3-phenyl-1H-pyrazole derivatives...

This circuit is designed to convert the differential output current of an audio digital-to-analog converter(DAC) into a single-ended voltage capable of driving low impedance headphones. Two op amps are used as transimpedance amplifiers which convert the DAC output current to a differential voltage. A...