Search all articles

Channel estimation is one of the most significant technologies in the orthogonal frequency division multiplexing (OFDM) system and its accuracy will influence the performance of the whole system directly. Among all kinds of channel estimation algorithms, the least square'LS'estimation and the linear...

Lectures during the COVID-19 pandemic have obstacles that need to be found for practical solutions. Computer Graphics as a practicum subject in normal conditions is usually carried out by the lecturer’s direct instruction method as the tutor. This method turned out to be ineffective in the Learn From...

This study examines long-term cultural shifts in individualism and collectivism by analyzing English word frequencies in the Google Books Ngram corpus (1800–2022). Five pairs of individualism–collectivism words (I–we, me–us, get–give, self–obligation, choose–obey) were used to construct a composite individualism–collectivism...

Business communication plays an important part in modern business activities and is an essential part in this information economy. This paper aims to discuss how to be an effective business communicator. First, it analyses the process of business communication. Then it discusses how to be a good listener...

The loan-to-value ratio is the key to decide bank facing different degree of credit risk, which directly affect the profitability of the bank. In order to avoid bank's losses accused by inventory financing due to credit risk, this paper chooses the loan-to-value ratio as the research object supposed...

Genetic algorithm optimizing BP has been proposed to aim at handling locality minimum and low convergence speed. The method based on analyzing the basic fundamental states that how to use genetic algorithm to improve the ability of BP. After optimizing, the GA-BP model has been built up. The result of...

The rapid development of information technology, especially in the information systems area, has brought an easy to implement efficient work. Today, the most company still performs their business process manually, such as in conducting reseller search and assessing the performance of resellers tasks...

With the expansion of Chinese universities, the speed of school introducing new teachers and the construction of experimental classrooms has produced a significant hysteresis quality due to the rapidly growing number of students. Moreover, because the laboratory has higher requirements than the ordinary...

Abstract: Nowadays, people more and more get the attention of the network security problem, and Intrusion Detection technology is a kind of security mechanism, which is a kind of dynamic monitoring, preventing and resisting intrusion behavior. As one of the core technologies of network security, Intrusion...

This study builds on determining the interest of Indonesian migrant workers to choose entrepreneurship when they decide not to return to become migrant workers. Many cases show that retired migrant workers do not have easy access of employment; the level of education that is owned by the migrant workers...

Online peer-to-peer (P2P) lending has been focused on since it is useful for small companies that are conducted on the website. In this study, we get the lenders and try to cluster them into groups, which can help the P2P company to trace and discovery the VIP customers.

With the development of mobile Internet, more and more people begin to get convenient service by mobile phones. Obtaining one's current location by GPS positioning or network positioning has become one of the important foundations in most applications of location based service. In this paper, we designed...

Nowadays, we have to admit that the Internet is gradually becoming indispensable to human beings. Almost all people use the Internet. While it brings convenience to people, it undoubtedly brings many problems as well. Adults already have the ability to judge right and wrong from the Internet, but for...

This research aims to describe the implementation of online learning in Saturday English Gathering Activities (hereafter termed “SEGA”) program at a private university (hereafter termed “Sun University”) in Surakarta Indonesia. The object of this research is the implementation of the online learning...

Ebola virus disease is a severe, often-fatal illness and has a case fatality rate up to 90%. Ebola crisis could severely do harm to the economies of Guinea, Liberia and Sierra Leone unless action is taken quickly. In order to eradicate the disease with the shortest time and the least cost, we build a...

Traditional Viterbi algorithm cannot be generally effective. Regarding the hidden state estimates of HMM as a Bayes filtering problem, the Sequential Importance Sampling with Resampling algorithm could get an approximate of its Bayes estimates. Its performance reached or even exceeds the Viterbi algorithm...

Probability theory is an important mathematical branch to study the law of random phenomena. Its application widely exists in our life. As a typical random experiment of classical probability model, lottery is an excellent material for the study of probability theory. Similarly, the study of various...

Computer aided diagnosis method have been more and more widely used in biomedical area. A novel cell particle extraction method based on smooth filtering and mathematical morphology is proposed to detect particles such as white and red blood cells in blood smear images with serious background noise,...

I look at how investors can use insurance market stocks to make a profit and reduce risk by increasing their investments in high-tech agricultural types of counter-cyclical industries. By comparing the correlation coefficient between the two companies, the investment target is determined, and then the...

In the process of exploiting low carbon economy, carbon storage plays an important role in counteracting greenhouse gases. Even though various researches have been done on carbon storage of forests and soil, the study of urban gardening is only 1.27%. But the proportion is increasing in recent years....

This paper proposes an intelligent algorithm to predict the MBR membrane flux. The algorithm applies the least squares support vector machine (LS-SVM) to the research of MBR simulation prediction, optimize the penalty factor and kernel parameters of LS-SVM model by particle swarm optimization (PSO) for...

This paper comprises a new iterative method for multi-person decision making based on multiplicative consistency with incomplete reciprocal preference relations (IRPRs). Additionally, multiplicative transitivity property of reciprocal preference relation (RPR) is used at the first level to estimate the...

Semi-supervised text clustering, as a research branch of the text clustering, aims at employing limited priori knowledge to aid unsupervised text clustering process, and helping users get improved clustering results. Because labeled data are difficult, expensive and time-consuming to obtain, it is important...

To meet power cable construction underground in the city, it is necessary to ensure the normal operation of power cable. In this paper, we do the research about the compensation mode of cable line construction in Henan province, that is the difference mode and the construction mode, and analyzed with...

In the network environment, the network interpersonal communication has become more and more frequent, and its accompanied by the personality interaction will affect the development of the students' psychological emotion, which has a great influence on the healthy growth of students. In network communication,...

Integrated management and control in the field of technology and communication is an awareness of the importance of the role of information systems and technology in supporting operational activities and services in an organization and government agency. This study will discuss the evaluation of the...

To study the effects of PCVD combined nitriding coating processing on cutting performance of high speed steel tool, the PCVD was performed on W6Mo5Cr4VZ (MZ) steel tools to get surface strengthening, tool surface micro-hardness before and after PCVD process was studied, wear property and bonding force...

In order to get accurate license plate location, a method of license plate location based on Sobel operator and mathematical morphology is proposed. Sobel operator and Dilation and closing operation are used to obtain approximate position of the license plate. Then three steps are adopted to get accurate...

The fragmented reading of the Internet era has greatly impacted college students' reading preferences. Through WeChat, college students get text reading, image appreciation, sound communication, so WeChat is that they use mobile Internet terminal to read the new way. Through the analysis of the use about...

Based on the data over 1998-2017 of Shandong province in china, this paper examines nexus of openness and energy consumption from regional perspective. The cointegration equations indicate the export and international tourists arrivals are positively correlated with the energy consumption, while import...

It is well known that in the process of communication, the competence in making speeches is one of the important means, which is a very practical skill. In the process of teaching, English speaking activities are used as aided methods, thus not only promoting students to effectively cultivate the competence...

Though the artificial potential field applying to the path planning of mobile robot has the advantages of rapid respondent speed, small computation and real-time property, there are still problems such as the goal unreachable and existence of a local minimum point value, thus the improved artificial...

Since the COVID-19 appeared in 2019, the price of gold futures has been quite different from the past. We analyzed the supply and demand of gold futures during the epidemic and found some of the reasons for the rise in gold futures prices. Besides, we expect to use the ARIMA to model the COMEX gold futures...

ecological compensation is an effective means of protecting the ecological environment and promoting the harmonious development of man and nature, foreign countries often adopt the way of market compensation based on the perspective of the market compensation and get the better effect; however, in China,...

With the improvement of living standards, daily communication activities have not only been limited to chatting or dining with friends, a variety of party activities have also entered the life of college students. However, the increasing complexity of consumer behavior and rapid changes in the external...

With the continuous development of higher education, reasonable distribution of teaching resources has become an urgent problem in time and space. This question is a typical college course arrangement.Arranging Course problem is NP-complete a multiple target multi portfolio. We use an improved hybrid...

In the current information age, computer-aided translation (CAT) is gaining greater concern and appreciation of translators. In this paper some widely employed softwares will be briefly introduced in terms of transformation from machine translation (MT) to CAT. Softwares of CAT will be the major focus,...

Smart business tech has completely changed the travel e-com space, shifting transaction platform to experiential platform. This paper examines how it affects what they buy, overall experience, and related processes. This study scrutinized all available literature and integrated empirical information...

This study aims to determine the public’s response, how the video can inspire and boost product branding on the market, and the most influential recommendations. This research methodology uses qualitative content analysis with data collection using the purposive sampling technique with reporting criteria...

To meet the high requirements of 4G mobile communication systems, such as broadband, wide beamwidth and high gain, an improved microstrip antenna array fed by L-probe is proposed. Generally, most of the 4G antenna array elements have wide band and a gain of 3-5dBi. But the beamwidth in the horizontal...

In this paper, we present a controller design on mini aircraft with four rotors from its theory to implementation. The dynamic model is gained by means of Large-scale transformation Algorithm of Quaternion to Euler Angle. We apply Cortex-M4 inner core microcomputer as a processor; get angle information...

Following the recent study about "general transverse gauge condition" for gravity in weak field approximation in Ref [5], we revisit the energy density gauge-dependent problem of gravitational field by canonical field theory procedure in this paper. Firstly, we proof the general transverse gauge condition...

In this paper, we mainly introduce a solar-thermal underfloor heating system with electrical heating, which consists of solar vacuum tube panel, finned tube heat exchanger, disturbed flow tank, underfloor heating pipe, temperature measuring point, circulating water pump and auxiliary electric heater....

The low-rate denial of service (LDoS) attack is a new threat to Internet security. Due to its low rate and high concealment characteristics, LDoS attack is difficult to be detected through the analysis of attack flow directly. Most present methods primarily analysis network traffic or feature of LDoS...

Taking the pre-school education majors as an example, this paper mainly explores blended learning mode for college English based on school-based Massive Open Online Courses (MOOC) and the concept of flipped classroom. This learning mode is characterized by problem-oriented and task-driven pattern and...

This paper proposes a conceptual model of proactive behavior in the workplace by considering aspects of leader support and job characteristics as determinants and job engagement as mediators. This model uses the Social Exchange Theory perspective in explaining the existence of an exchange relationship...

The development of digital technology has an overturning impact on music industry in network era; the traditional record companies have to make the digital transformation, as new competitive forces are joining the industry chains, such as network music operators, value-added service providers, terminal...

Individuals who work then continue their education in college not only workers who go to college to get a high position in the company but among them, some student work to finance their education. For some students, adjusting to campus life can cause unpleasant feelings. This situation can have an impact...

Contemporarily, India obtained a great amount of economic support from international organizations for the development of domestic infrastructure and upgrading the Indian economy, many of which achieved good results. In order to explore the impact of the international aids on India, the essay applies...

In order to enhance the processing capacity of the inconsistent ordered study information system and transform the rough set of different precision dominance relation, they can enhance the adaptability of inconsistent information by introducing the clustering algorithm, because rough set can effectively...