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This paper presents the 4~6GHz 6-bit MMIC digital attenuator with low phase shift. Phase compensation techniques were used in the MMIC design to reduce the phase shift. This attenuator is fabricated with 0.25æm GaAs PHEMT process. Simulation results of the developed MMIC chips in the 4~6GHz show that...

With the increase of car ownership in our country, the traditional manual management of the parking lot is time-consuming and its efficiency is low, also cannot make full use of parking spaces, resulting in waste of resources. This paper designs a kind of intelligent parking management system based on...

Practice shows that many enterprises could not achieve remarkable performance in mobile marketing mainly because consumers' intention to accept it is very low. According to the literature research, the article considered consumer intention to accept mobile marketing as a measurement indicator of mobile...

In order to solve the high dimensional and nonlinear problems of churn prediction of E-business customers, this paper proposes a novel model for churn prediction of E-business customer based on Self-Organized Data Mining ( SODM ) . In this model, Objective System Analysis ( OSA ) and improved Group Method...

This paper analyzes the current development situation of domestic B2B e-commerce platform, and optimizate credit evaluation system from several aspects. In addition, this article also put forward that enhancing credibility by introducting the internet financial system. Aimed to ensure the safety of both...

Xinjiang, as one of six biggest fresh fruit production areas in the world, is recognized as a major fresh fruit production base in China and honored as “home of melon and fruit”. With its suitable ecological environment, unique climate conditions, and good location, Xinjiang sells its fruits well all...

In this paper, we conduct in-depth research on the human resource management mode based on competency model. Treatment of competency is defined based on the previous scholars, this paper defines enterprise top management competency as can change the performance is outstanding person in senior management...

For the research of restoring the atmospheric turbulence-degraded images, an estimation algorithm of the point spread function based on singular value decomposition and telemetry prior information is proposed. The experiment shows image restoration effect of the proposed estimation algorithm.

Biotechnology, one of the fastest developments in the century, is creating the diversity of opinions and one of the greatest debates emerged in the field of genetically modified (GM) food. Even though the innovation was developed to tackle the world hunger it still represents unknown concept that can...

Aimed at the selective catalytic reduction (SCR) system, an electronic control unit (DCU) was developed under V-type procedure. Development of DCU software and hardware were carried out simultaneously, shortening largely the development cycle. The self-developed DCU, integrated with Bosch SCR system,...

This article proposes a new method for prediction of public transit passenger volume based on phase space reconstruction and support vector machine (SVM); applies mutual information method in calculating the optimal time delay of time series of public transit passenger volume; applies Cao’s method in...

Wetland is the richest ecosystem with diversified creatures and also is one of the most important living environments. As the irrational utilization and damage of wetland resource in recent years, wetland resource is experiencing a degenerative process. As a unique ecosystem that is different from lands...

Nowadays, traditional heating systems represented by kang still impact people’s daily life profoundly in rural areas of northern China. While residents in the case of different activities in rooms respectively heated by different heating methods, the heat transfer quantity and exergy efficiency of...

As one of the key technologies of radar electronic warfare systems, Digital Instantaneous Frequency Measurement (DIFM) technology need to measure signals intercepted quickly. The traditional method of instantaneous frequency measurement is to translate the frequency information into phase information...

Kerberos protocol is a kind of unified authentication scheme for distributed network environment, which focused on validation functions, not provide complete authorization and access control functions. Security assertion markup language (SAML) is an xml-based framework, which is used to exchange information...

In order to reduce head injury in the collision between pedestrian and vehicle, and explore a variety of influence factors of laminated glass on the impact injury. Several laminated glass impact damage effect factors are considered to establish a series of simulation models, crash simulation calculations...

Tourism economy plays a great role for China’s social and economic development. In recent years, China has paid special attention to developing multiple tourism resources so as to make them better serve for development of social economy. However, during development of tourism resources, various problems...

The article studies the approaches to the study of organizational crises. On the basis of the system approach in the paper it is proved that all crises in an organization are reduced to one type of crisis, i.e. to the managerial one. Thus in its essence any management of an organization is a crisis management....

Certain patterns including correspondence and non-correspondence patterns are drawn from a comparative analysis on the linguistic characteristics of Russian and Chinese restrictive linguistic landscapes from the functional point of linguistic landscapes. In syntactic structure, imperative sentences are...

The tax premium health insurance has been put into operation and promoted in China since 2016, yet the overall effect is not satisfying enough, with some improvement, though. Through in-depth analysis of its development status, origin and types and comprehensive analysis of operational problems of tax,...

With the advancement of social and economic status, female members play an increasingly important role in modern business management, and the decision-making behavior and governance characteristics of female executives have attracted more and more attention in academic studies. This paper focuses on...

Micro-lesson is a kind of new way of knowledge transmission and transmission which is based on the Internet. As a new kind of teaching resource, the microcourse provides a wide space for students and college English teachers. The traditional English teaching model of college English teachers' professional...

As one of the traditional Chinese cultures, the Confucian literary thought is the collision and fusion of the Chinese and American cultures in the American Chinese literature, forming the literary works with distinct colors. This literary style is formed mainly due to the era and their life experiences...

Due to the complex topography and strict requirement for the construction as well as the significant effect, from the stress and strain, on the geometric shape of such a continuous bridge with variable cross-section, it is difficult to control the geometric shape of the bridge without stress monitoring....

In this paper, we addressed the inventory-location model of the distribution network planning based on the actual vehicle 3PL case background. We use the genetic algorithm to calculate the actual data, and evaluate the effect from the demand and cost two aspects. The model deter-mines the number and...

Based on T-S fuzzy model, the robust guaranteed cost control problem is studied for a class of uncertain singular systems with state and input delays. Sufficient conditions are provided for the construction of a state feedback guaranteed cost controller. These conditions are given in terms of the feasibility...

Based on the three-layer model theory for steganography communication system, this paper designs a new steganography transmission protocol, to achieve a more effective frame structure, more reliable transmitting mechanism. Both text message dialogue and file transmission communication based on the proposed...

The network learning is one new study way, the learning behavior need the real-time monitoring and the effective instruction to through the evaluation in the learning process. The BP algorithm model of evaluating E-Learning behavior selects the learning behavior which affects the study effect in network...

Detecting rumors is an important task in preventing the dissemination of false knowledge within social networks. When a post is propagated in a social network, it typically contains four types of information: i) social interactions, ii) time of publishing, iii) content, and iv) propagation structure....

As this paper is written in September 2020, the zoonotic-induced COVID-19 pandemic continues to cause major problems around the world, including in Education. The purpose of this paper is to suggest ways that students can prepare to turn the challenges caused by COVID-19 into positive changes for themselves,...

This Covid-19 situation has forced individuals to practice physical distancing and stay at home. This affects individuals’ communication with each other. One of the means of communication that can be used for long-distance communication is social media or application. This thesis discusses the correlation...

The Merdeka Belajar Kampus Merdeka curriculum was created to raise the standard of Indonesian university graduates. The UNJ Mechanical Engineering Group participated in the Independent Learning-Independent Campus (MBKM) learning activity during the 2021–2022 academic year through several programs, including...

Labor education plays an important role in the moral development of university students; it is also a vital component of education aimed at cultivating socialist talent that embodies the spirit of the times. Over the past decade, modernization with Chinese characteristics has ushered in new prospects...

With the rapid development of big data technology, its application in real estate market analysis and investment decision-making has become increasingly important. This paper aims to explore how big data can optimize real estate investment strategies and risk management, and how to improve the transparency...

Geological disaster risk is affected by many internal and external factors. It is very necessary to understand the influence relationship of these internal and external factors for the prevention and control of geological disasters. This paper combines Apriori correlation analysis method with data statistical...

This study investigated the percentage of men actively involved in family planning programs across Central Java from 2018 to 2020. It relied on secondary data obtained from the Central Java Provincial Statistics Agency for those years. The data, including the number of male family planning participants...

In the past few decades, food fraud and safety issues have given rise to growing concerns from the society. With the purpose of efficiently detecting and preventing food safety problems and tracing the accountability, the establishment of a reliable traceability system is indispensable. For a traditional...

Image classification is one of the important classifications in the field of computer vision, and the development of deep learning models has brought historic breakthroughs to the development of image classification. Transformer model, as a powerful sequence modeling tool, has achieved great success...

The gradual increase in China’s economic strength has driven the economic development of the foreign trade industry. However, due to the impact of the new coronavirus in 2020, many countries and cities have suffered economic recession, companies have closed down, and flights have been suspended. Therefore,...

Globalization in Indonesia has resulted in changes in lifestyle. These lifestyle changes result in a hustle culture, and this allows psychological distress to occur. Psychological distress will have a negative impact on the work environment. This article provides a theoretical contribution to the factors...

With the continuous development of human history and culture, memorial hall has become the embodiment and materialization of people’s commemoration of their own emotions, and the expression of emotions and the shape of memorial has also become the focus of memorial architects’ research. This paper focuses...

Objectives: The occlusion of the internal carotid artery (ICA) frequently leads to stroke and develops most commonly as a consequence of arterial embolism or atherosclerotic thrombosis. Following acute care, if the patient’s general condition makes it possible, the patient is emitted from the hospital...

Background: The clinical significance of pressure-dependent intra-beat changes in local pulse-wave velocity (C) has recently come to light [1]. While reported methods require arterial pressure and diameter measurements from a single site to assess intra-beat changes in C, we present an image-free fast...

Research has shown that social media platforms on the internet such as Twitter, Facebook, Youtube, Reddit, blogging platforms have become a breeding ground for terrorist organisations to spread their beliefs and agenda, and recruit members by reaching audiences far beyond the country borders. Concerns...

Because of the rapid development of market economy and transformation of society as well as the influences of western culture and values, many college students pay too much attention to self interest and realistic utility and lack responsibility consciousness, which cause the worries of many employers....

With the rapid development of the computer science and network technology, the capabilities of using computer for Economics and Management students in colleges are requested to be further improved and perfect. Now, however, the computer courses for the college Economics and Management professional exists...

In this paper, we introduce a intelligent temperature control system based on greenhouse. The system include two automatic induction device,which can feel the temperature changes; a solar-thermal heating system with electrical heating auxiliary,that the most important in the system;a tubular lamp for...

In view of the key technology of solving ambiguity of high precision move positioning, due to the traditional LAMBDA method to solve ambiguity, the passage improve and put forward a double-frequency observation model calculating ambiguity wide lane. Combined with the observation model and partial data,...

The stress relaxation behavior and creep rupture property of GH4145 alloy were studied. The results show that GH4145 alloy has good resistance to stress relaxation. During the stress relaxation test at 566 ºC, the coarsening rate of secondary ' particles was very slow and the hardness of the alloy increased...

This article summarizes parts of the work conducted in the Kolarctic ENPI project “Sustainable Buildings for the High North” (SBHN). SBHN had strong focus towards residential buildings performance in the northern Nordic and north-west parts of Russia (Barents region). Results show that there is large...