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This paper meets the needs of underwater information warfare under development trends of knowledge centre war, starts from the concept of information understanding, combines with the characteristics of underwater information, deeply describes the underwater information understanding technology, lays...

By the means of the simulation companied by the experiment of GDI engine, the distribution of fuel mixture and soot emission were taken into consideration under different ignition timing. In one injection model, the ignition retard can lessen the soot emission. Two stage spray in cold start, which contributes...

Ship propeller beats have obvious amplitude modulation to the cavitation noise of its radiation. The DEMON (Detection of Envelope Modulation on Noise) spectrum analysis technology is to demodulate the high frequency components to get the low frequency modulation components. This paper studied the new...

In this paper, boron doped diamond (BDD) thin flms have been deposited on Ti-based substrates with or without a Ta intermediate layer by microwave plasma chemical vapour deposition (MWCVD). Raman spectroscopy and scanning electron microscopy (SEM) examinations demonstrate that the electrode has well-defined...

Feature extraction of underwater targets and line spectrum comparison are the key of the target fusion. The changing characteristics of the ocean noise field and individual differences of receiving arrays make the line spectrum feature extraction of underwater target unstable, which leads to the target...

In this paper, adding different Nd content of ZK20 magnesium alloy extrusion were studied Nd on ZK20 magnesium alloy extrusion and mechanism of influence of microstructure and mechanical properties, and optimization of Nd in ZK20 magnesium alloy added amount, in order to obtain comprehensive mechanical...

To solve the issue that there is some lack of subjectivity and objectivity in the Traditional reliability assessment of air traffic management evaluation means and by analyzing and finding out the related and essential factors in the reliability assessment process of air traffic management equipment,...

In this paper, ZM21 and ZM21+Ce magnesium alloy extrusion in different processes before homogenization treatment, the microstructure was observed extrusion products and test their mechanical properties, analysis of rare earth cerium and homogenizing influence of annealing process on magnesium alloy ZM21...

This paper is studied according to the method of auto fault diagnosis and proposes a data table structure of fuzzy diagnosis model based on fuzzy H net with the presenting of the reasoning process. Aimed at the uncertainty and fault fuzzy appearing in automobile, fuzzy H net is used to the fault diagnosis...

Color texture segmentation is a very important subject in the fields of computer vision. In order to segment the color textures, a new method based on active contour model with nonlocal Tikhonov regularization is proposed. In detail, another smoothness item which is the Tikhonov regularization is added...

With the sustainable development of society and economy, people’s living standard is experiencing a steady improvement, a lot of urban domestic garbage has become a social problem which contaminates the environment and influences our life. Reasonable and effective solutions are both actively looked for...

Reaction time under different lighting source was obtained. The influence of luminance, contrast and eccentric angle on the reaction time were investigated. The relation between Lm and x were built using spectral luminous efficiency function V( ), the ratio of light flux of the photopic vision and scotopic...

The chemically recuperated gas turbine (CRGT) is a promising engine on ship because of its high thermal efficiency and low pollutant emission. This paper is aimed at determining an applicable configuration of the CRGT for marine applications. Diesel is the selected fuel, and the minimization of Gibbs...

This research investigates the marketing strategies used by Alibaba Group from different perspectives in the domestic market, with the introduction of the recent situation of the company now, it includes a complete business ecosystem that integrates e-commerce platforms, supporting local life services,...

In this paper, techniques for chemical accident emergency generating were studied, and the basic framework of plan generating system was established through analysis of the contents of a typical emergency plan. Under this framework, the approaches of generating different parts of a plan were discussed...

A new saliency detection algorithm based on image segmentation and color histogram is proposed. The saliency values of partitions are decided by the spatial location and color difference which is measured by the difference of same color pixel number between the regions. In order to enhance salient areas...

The transmitting system is the core part of active sonar, its amplitude-frequency response is an important element to judge the system, and an important indicator to measure its performance is the bandwidth flatness of the amplitude frequency response. When the amplitude-frequency response is seriously...

In recent years, China’s B2C payment methods have undergone some significant changes, which have impacted the biggest beneficiaries of traditional payment methods-banks. In the past, banks monopolized people’s payments. For example, cash was issued by the bank, and transfers needed to go through the...

The short videos is a crucial subject for studying the influencing factors of self-media communication power in recent times. The large market share of the media currently occupied by the short videos and the platform construction of the application itself, and play a significant role in the selection...

A function verification method of multi-area AGC coordinated system is proposed in this paper. Based on the power grid model of testing platform, the external multi-area AGC simulation system is build. A joint simulation system is formed by the simulated AGC system and the tested AGC system, which covers...

Currently, there are 409 traditional villages in Qiandongnan Prefecture (Southeast Guizhou), ranking first in the prefecture-level cities nationwide. The experience of traditional village protection in Qiandongnan is summarized as “the government exerts its strength and perfects its policies; linkage...

Excitation and measurement mode of Electrical Resistance Tomography (ERT) system would determine the sensitivity, information quantity and noise immunity of the test field. In this paper, a 16-electrode ERT system is cited to conduct a research on 8 excitation modes and 2 measurement modes by numerical...

The war system is a typical complex giant system, under the conditions of information warfare system compared with the previous war system, the scale is greater, the relationship is more complex. How to describe the complex relationship of the network in the information system is the core and key of...

With the development of computer and network technology, athletic meeting management is constantly toward modernization, and in the popular athletic meeting management software, the grouping lane dividing of track events is fixed eight lanes, scheduling algorithm is fixed, and there are some flaws. Therefore,...

The paper analyzes interest demands of members in farmer professional cooperative economic organization, and finds out the facing problems of interests demands, meanwhile appeal process dilemma model analysis. The study finds when achieving the Nash equilibrium of interest demand between farmers and...

Seismic signal generated by moving on ground by person and vehicle target is sensed by MEMS accelerometer, then collected and processed by MSP430, achieving early-warming and target identification of ground targets. A seismic signal warning algorithm based on the characteristics of noise is proposed...

Nowadays, there are increasingly obvious contradictions between the wood production and the rapid development of national economy. In addition, there are wild work, extensive management and astonishing waste in the forestry production and management field. The major work for the forestry workers of China...

Image saliency detection is becoming more and more important in the field of computer vision. The purpose is to detect salient objects in complex background, at the same time, reduce time complexity to get salient objects with high-resolution and clear edge. In this paper some brief analysis on the state-of-the-art...

Based on smart grid area, heat-exchange network is used together with multi-energy analysing method. Also, pinch technology is optimized, considering many kinds of load, such as cold, heat, electric and illumination. What is more, KW is used in heat-exchange network, as a bridge leading to other kinds...

The implementation of extended producer responsibility system is an inherent requirement for accelerating the construction of ecological civilization and green, circular and low-carbon development. In recent years, China has actively implemented extended producer responsibility system in many industries;...

The development of sci-tech finance is inseparable from government support. The government may play a more critical role than the market, especially in the initial stage. This paper first reviews the research literature related to sci-tech finance and resource allocation during the transformation of...

The purpose of the study tries to investigate the impact of financial development on carbon emissions. In addition, the study also examines the mediating effect of industrial structure upgrading on the relationship between financial development and carbon emissions. Using annual data of 283 cities in...

Tridimensional injection-production well pattern has significant advantages on development of very thick buried hill reservoirs. But optimization is needed because the space configuration relation of buried hill reservoirs is very complicated. Reservoir numerical simulation techniques are applied in...

Against the background of tax and fee reduction policies, this paper analyzes the development status of Chongqing’s high-tech enterprises and concludes that tax and fee reduction policies can effectively promote the healthy and sustainable development of Chongqing’s high-tech enterprises. In 2019, the...

TV logo is an important symbol of TV station. Automatic identification of TV logo can be used in television monitoring and media assets management. By analyzing the characteristics of TV logos, a new algorithm for TV logo recognition is proposed in this paper. First of all, the TV logo information is...

The water entry of torpedo based on FE-SPH coupling method was studied. Firstly, the model of water entry of high-speed torpedo is established. In the case of grid structure, the numerical simulations verify the effectiveness of the model by comparing with the experimental results. Then the impact forces...

The process of forming a Japanese word is called gokeisei. Gokeisei consists of 4 kinds, namely haseigo (派生語), karikomi or shouryaku (刈り込み· 省略), toujigo (頭字語) and fukugougo/gouseigo (複合語· 合成語). This study aims to identify changes in phonemes in the process of gouseigo formation. In this study, the data...

This paper briefly introduces the basic concept of artificial intelligence technology and points out its application in power system. The basic conceptions of artificial intelligence technology such as expert system, artificial neural network, fuzzy theory, genetic algorithm and so on are introduced...

The formation of N-doped graphene (NG) use hydrothermal method with urea as reducing agent and nitrogen source. The surface elemental composition of the catalyst was analyzed through XPS, which showed the atomic ratio of N/C is 5.0%, indicative of the effective N-doping. The Au@Pt core-shell nanoparticles...

This essay mainly describes the application and difference between NPV and IRR, and finds out which one should be used more conveniently in different situations from the analysis of the two decision-making methods. The advantages and disadvantages of the two decision-making methods and how enterprises...

Analysis of long-term care for the elderly people can lose the status quo, field research in elderly care hospital in Henan Province, Zhengzhou Erqi apartments for the elderly and community health services involved in Luohe disabled elderly long-term care model in which community health services mode...

With the widely use of cloud-based MapReduce frameworks, an increasing number of solutions have been proposed to optimize the performance of the cluster. Majority of the existing studies concentrate on optimizing the task scheduling or resource provisioning mechanisms to improve the platform’s data processing...

Some methods used to evaluate the jamming effect of common radar are unsuitable to the inverse synthetic aperture radar (ISAR). By comparing the change of target recognition characters, a novel evaluation method of jamming effect on ISAR is presented in the paper. Two typical noise barrage jamming modes,...

NaOH and Na2B4O7 -10H2O solutions of texturization were investigated and a series of comparative experiments were made by our group. The surface microstructures studied with a scanning electronic microscope (SEM). The different etching time and the different concentration of the solution have a larger...

In order to realize the sustainable development of society, building energy consumption has become a global concern. In buildings, occupants adaptive behaviors that means how to use the buildings have an very important influence on the building energy use. The researches of occupants adaptive behaviors...

As the imaging technology improves the resolution of the astronomical image, how to effectively and efficiently extract objects has become a big challenge. As the dimension of the CCD image matrix is increasing with the increase of the astronomical image resolution, the traditional method which needs...

It is an important measure to reduce the loading rate of the distributing line and boost the reliability of the power supply by the power system. At present, the methods to reduce the loading rate of the distributing line generally include power cuts, capacity increase and load transfer. The text proposes...

Several severe power failures occurred in recent years, the reason of which are common fault-trip-cased flow transferring. This phenomenon can lead to abnormal trip of load flow protection, and at worse result in intertripping. To prevent potential power failures, wide area protection based on wide area...

This document studies the eco monitoring networks. Based on the prior work: the local effectiveness is proved, this paper focus on the global effectiveness of eco monitoring network. Information theoretical measures, i.e., conditional non-uniformity factor is applied. Although our work eventually quantify...

The living conditions of earthworms were studied, with the aim of improving our understanding of soil recovery from acidification and of the degradation and aggregation of substances in soil. This information can provide a theoretical basis for solving the problem of excessive heavy metals in agricultural...