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A high linearity up-conversion mixer operating at 700~900MHz with 1V supply using 0.18 m CMOS technology is proposed in this paper. This up-conversion mixer is composed with two double-balanced mixers and is based on the Gilbert mixer. The quadrature differential signals are put to the mixer, and the...

In recent years, Guangxi's foreign exchanges have become increasingly frequent, cross-border trade has expanded year by year and faster growth, but the total trade volume is too small, the market concentration and product is single, but also facing the ASEAN market increasingly fierce new situation....

To evaluate the quality of an existing structure which is lack of information in the highway bridge after years of shutdown. An evaluation method is proposed, which is based on the fuzzy mathematics and catastrophe theory. Comparing traditional methods, the method avoids determining the uncertain index...

Implicit learning research related to the fundamental problem of the development of human potential, which has increasingly become a hot and difficult in cognitive psychology research. The traditional artificial neural network can successfully simulate implicit learning, but there are many disadvantages...

As is known to all of us, mechanical drawing is a professional course for students majoring in mechanical. In the teaching process, we find it effectively improve students’ ability of space imagination if we adopt special teaching methods such as using a variety of teaching methods, developing teaching...

Based on the analysis of theories of vector control, the simulation model of permanent magnet AC servo system built on MATLAB/SIMULINK is designed and studied, the simulation results prove the validity of the simulation model.

Community service information system which is an information network and information management service system of government, subdistrict office, neighborhood committee is established by means of community public e-government network platform. Guaranteeing to establish community service information public...

A direct adaptive controller based on improved radial basis function (RBF) neural networks (NN) is proposed for an omni-directional mobile robot (OMR). The OMR is a multi-input and multi-output (MIMO), unmodeled and uncertain nonlinear system which is difficult to be modeled due to a large number of...

Underwater sensor network(USN) has a battery replacement, positioning difficult hard, great depth of nodes is poor, traditional routing algorithm of the two-dimensional plane land web is difficult to apply, routing algorithm based on the geographical position, there is also a difficult position and so...

Maize is one of the items in agriculture sub-sector food crops, which has a high-level carbohydrate and substitutes for other food sources besides rice. Maize has its superiority that all of its product’s yield can be utilized, starting from seeds, leaves, skin and even maize cobs can be used. East Java...

With the rapid development of the society, the increasing pressures of employment, study, work and life faced by contemporary college students and the various endless mental health problems on college students have become an urgent problem to be solved by mental health education workers in colleges and...

In view of the current learning situation and obstacles of Business English majors at vocational colleges, interview is used in this study to conduct specialty identity surveys and in-depth inquiry of students in this major, focusing on specialty selection, campus life, specialty identity, and employment...

Improving the economic benefits of higher education can effectively promote social development and accelerate the transformation to a strong science and technology country. In order to measure the economic benefits of higher education, in addition to short-term material output, indirect benefits of talents...

Fault tree analysis,as an effective method for reliability analysis and evaluation of engineering systems,provided an effective method for failure analysis of polishing robots with six degree of freedom.Through the qualitative and quantitative analysis of the fault tree,it is proposed that the damage...

The objective of this research is to find out the educational management in Madrasah Tsanawiyah (MTs) in Dompu Regency, especially regarding program planning, program implementation, evaluation and supervision, leadership, and management information system development. The other side is the formation...

The core industries have similar product form and value orientation, sports industry and cultural industry are mutually dependent and complement each other. This shows a convergence mechanism for the two. It proposes the strategies for the convergence that each give full play to his strong point as well...

Our basic model has two parts: to study effects of physical factors on the temperature and water consumption of water in bathtub, and to explore the influence of human action on water temperature distribution. Finally, we give the best strategy to maintain initial water temperature without wasting too...

For almost three decades, some have seen Strategic Management Accounting (SMA) as the appropriate response to the problems emanating from a changed competitive and technological environment. Some accounting researchers have seen SMA as implying a greater contribution by accountants to strategy formulation...

Through the analysis of molding process of large-scale plastic hollow containers, this paper carries on the simulation and optimization of hydraulic system, which focuses on the high energy consumption problem of large-scale blow molding machine. According to the characteristics of long work period and...

The presented study suggests a new nature–inspired metaheuristic optimization algorithm referred to as Red Colobuses Monkey (RCM) that can be used for optimization problems; this algorithm mimics the behavior related to red monkeys in nature. In preparation for proving the suggested algorithm's...

The modernization of military personnel in the new era is the core support of the “Four Modernization” in the Chinese military, and the core and key element to ensure the smooth implementation of strengthening the army in the new era. Starting from the cultivation of modern consciousness, positive attitude...

This research was conducted to determine whether there is a relationship between the principal’s personality competence and the professionalism of private vocational school teachers in Kalidoni District, Palembang City. The method used in this research is descriptive method with a correlational approach...

This study proposes a detachable quadcopter UAV delivery system to overcome traditional UAV limitations like inflexible cargo handling and high costs. The modular design features an X-shaped carbon fiber frame with hollow arms (12mm outer, 8mm inner diameter), offering 60% greater bending resistance...

Familial hypercholesterolemia (FH) patients are characterized by markedly elevated LDL-cholesterol (LDL-C) concentration, positive family history of hypercholesterolemia and premature vascular complications including carotid artery disease (CAAD). Carotid plaques are associated with atherosclerosis of...

This work discusses how parents’ roles differ in educating children in an aspect of children’s adjective acquisition. Existed literature has concentrated mainly on the learning of nouns and children’s vocabulary in a general basis, and little attention has given to adjective as a specific field of study....

In this artificial intelligence era, health care plays vigorous role in day today life. The disease caused to the cattle’s are pink eye, new forest disease are caused by infectious Bovine Keratoconjuctivitis (IBK) and cancer eye are caused by Ocular Squamous Cell Carcinoma (OSCC) disease which are often...

In this work, the performance and efficacy of several experimental runs are evaluated using the DEAR (Data Envelopment Analysis-based Ranking) approach, with an emphasis on materials and process factors for an AlFeSi10Mg alloy system. Laser Energy Density (LED), Specific Energy Density (SED), and Volumetric...

The F10.7 solar radiation index is of great significance for the calculation of atmospheric density in low-Earth orbit. In recent years, a variety of neural network methods, especially the LSTM method, have been used for the modeling and forecasting of the F10.7 index, but the research on the length...

It is essential to know the effectiveness of online learning for students, considering that this learning system was used during the Covid-19 outbreak. This research was conducted to determine the readiness of Google Meet as an online communication medium during the Covid-19 pandemic in the digital transformation...

As the “main force” in the new era, it’s important for colleges to enhance students’ sense of social responsibility in order to achieve the goal of morality education and talent cultivation. This paper has chosen college students from the Sichuan Institute of Arts and Science (SASU) for volunteer teaching...

AI, big data, cloud computing and other technologies are embedded in agricultural production and rural life, opening up a new pattern of digital rural governance and development, but also facing problems such as high investment and low efficiency, incomplete construction of data resource system and digital...

This observation was made to identify, describe, and compare patterns of sanctions or SOPs and criminal sanctions at PPPM Baitul Makmur. These observations are based on phenomena explained in natural words through inter- viewing and documentation techniques. The results of the analysis obtained data...

The construction project has the characteristics of long duration, multi-participation, diverse environment, technical and professional, involving progress, quality, cost, safety and many other aspects. Traditional management methods often have limitations such as insufficient data collection and inaccurate...

In validating the IQM system as a model for business excellence, Hypotheses 1 and 2 are true; showing that self-assessment using the Maturity Assessment Grid facilitates objectivity by identifying the grids that are pertinent to the Maturity Level of Quality Contents and Quality Deployment. This contributes...

The present study explored the extent of support provided by the school staff and management to mathematics teachers who immigrated to Israel from various countries. The attitudes of these teachers towards mathematics education in Israel were examined. The immigrant teachers' statements illustrate a...

Investigate the influence of social support on leisure exercise of female college students as well as the mediating effect of gender-role conflict. Through using the Social Support Scale for University Students (SSS-US), Sage's Role Conflict Inventory (RCI) and the Physical Activity Rating Scale (PARS-3),...

A physics-based electro-thermal model implemented in the Matlab/Simulink is introduced for FS (field stop) IGBT (Insulated Gate Bipolar Transistor) in this paper. The model consists of Fourier-based FS IGBT model and equivalent RC thermal network model. The static testing of a commercial IGBT is performed...

The environment vibration effect under equipment vibration was studied. Based on the international standards, vibration evaluation indicator and allowable value was applied to the vibration quantitative evaluation. Combined with the engineering project, using R.M.S (Root-Mean-Square) and VDV (Vibration...

Data processing of measurement were discussed in this paper, including the processing of measurement error, assessment and presentation of measurement uncertainty and processing and reporting of measurement results. The importance of measurement data processing in the measurement control system was clarified.

Aiming to improve the precision of vehicle height control for hydro-pneumatic suspension system, having deeply considered the nonlinear factors existing in the lifting and lowering process, we derived the equations of hydraulic pressure in the cylinder and air pressure gradient in the accumulator. Based...

The article is from the characteristics and management of adult education students, about the present situation of adult education management in colleges and universities are classified and introduced the specific characteristics, at the same time, focuses on the main features of the proposal to build...

In order to improve the efficiency of aerobics movement image analysis, on the basis of biological vision and image processing technology, this paper designs the image motion analysis system with the core of DSP+FPGA circuit and the high-speed external memory allocation. This system is based on the image...

The experiments show that aviation wool carpet will not fire spread, composite airworthiness standards in the carpet surface, but it can be inferred from the fitting equation when the temperature continues to rise, causing the surface of the carpet is very huge possibility of the spread of fire. In addition,...

This paper analyzes the present situation of environmental problems in China, starting from the idea of building green building, using wireless sensor networks, established a building environment monitoring system based on BIM. The system can monitor the indoor air quality, indoor temperature, illumination...

An appropriate modulation scheme SC-PPM is considered in this article for the high density visible light communication (VLC) system. Compared with OOK, SC-PPM is a more power efficient and reliable scheme and it can achieve the requirement for both illumination and communication. An optimization problem...

Based on the journals of JCR Social Sciences Edition--INFORMATION SCIENCE & LIBRARY SCIENCE category from 2003 to 2014, the Chinese authors' 2793 articles in Library and Information Science (LIS) were collected and analyzed on Web of Science (WOS). First, it ranked the first Chinese authors, and selected...

The speed up of industrialization, urbanization and marketization in rural economy changes the production method, life style, communication pattern, and mental attitude in rural areas. This kind of changing influences the rural mass sport development deeply. When we speed up the urbanization process,...

NDN is a kind of future Internet architecture. Due to the naming data network(NDN) design introduces four privacy challenges, Many research institutions began to care about the privacy issues of NDN. In this paper, this paper are in view of the major communication privacy issues of NDN to investigate...

The Laplacian pyramid was always used for image analysis. However, the Laplacian pyramid could also be used for edge-aware image processing. To get successful results, this method spent much less time than most of other methods such as anisotropic diffusion, neighborhood filtering, and specialized wavelet...

With the emergence of new types of information dissemination methods such as blogs and social networks, coupled with the rapid rise of technologies such as cloud computing and the Internet of Things, data is continuing to grow and accumulate at a crazy rate, which has already predicted the arrival of...