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This paper contributes a meaningful framework and approach to the understanding of the fundamental of e-learning and explains why it is proliferating throughout a rapidly evolving learning society. This is the important comprehensive and coherent framework to guide our understanding of e-learning in...

Technology has helped in every sector such as business, education, etc. Nowadays artificial intelligence has been implemented in some industries such as medical, agriculture, manufacturing, education, and operation. Artificial Intelligence helps to overcome several challenges in educational institutions...

Countries around the world attach great importance to the performance of government data governance. However, existing research has not established a systematic analysis framework, and the interpretation of government data governance performance is limited. Therefore, from the perspective of institutional...

In large public infrastructure projects, political risks due to the power imbalance between central and delivery agencies are often overlooked or underestimated. The primary motive of the delivery agency in distorting information for political gains should be deemed a risk that creates uncertainty for...

This paper is a study of the approach to automatic detection of the content of the smart electricity meter LCD cycle display and signal lights. By this approach, in the LCD liquid crystal display detection unit of the smart electricity meter detection line, the electricity meter can be switched to a...

By means of decrease of hardness, neutralization and desalination union technology, the drained wastewater of industrial circulating cooling water system can be treated. The purified water quality (total hardness and calcium ion components) is greatly better than fresh water, and completely can be reused...

This research aims to test whether dividend policy gives positive signal or negative signal to change of company value. The research was conducted at basic industry and chemical company which listed in Indonesia Stoc Exchange period 2006-2015. Variable used in this research is dividend policy in proxy...

A theoretical research on Linear Amplification with Nonlinear Components (LINC) is described with an improved theory to COX’s proposed in this article. Input RF signal is separated into envelope component and constant envelope angle-modulated component in the circuit. Two branches of constant envelope...

DBPs formation potential, including THMs, HAAs, HKs, chloropicrin, and chloral hydrate, of 20 amino acids was evaluated. Chlorination experiments were carried out at pH=8.0±0.1 by using phosphates buffer and performed at Cl2:N=8:1(molar ratio) at 20±1°C for a reaction duration of 24h. Chlorination experiments...

The cluster manifold becomes an essential part in a subsea production system, which can gather the production fluid from subsea wells and distribute water, gas and chemical agents from the floating production system to each subsea well. On account of its advantages such as a small initial investment,...

Characterization can reflect objectivity and represent objective things. With the development of pharmacology of Chinese Medicine in recent years and the deepening of animal model research in Chinese medicine, how to accurately and quickly copy the successful model animals according to the characterization...

In the process of blood transfusion in artificial liver, the liquid level of blood inside the dropper must be monitored in real time to ensure the stability and safety of transfusion. According to the requirement of the liquid level detection, we designed a kind of ultrasonic liquid level sensor based...

In view of the problem of modulation recognition algorithm existing about low recognition rate under environment condition of low SNR, the algorithm of first-order cyclic moment are first presented used in band signal of VHF modulation classification recognition in this paper and the recognition rate...

Ulcerative colitis is chronic nonspecific colitis. Now,the main first-line drugs are preparations with mesalazine. Chemical name of mesalazine is 5- aminosalicylic acid (5-ASA), which one of colon target drugs has function of anti-inflammatory by inhibit process of leukotriene, prostaglandin E(PG) and...

The exploration and research of ocean turbulence is very important to understand the operational mechanism of ocean circulation, to improve simulation and prediction ability of the global climate changes and circulation. At present, the turbulence instrument includes two types: horizontal turbulent measurement...

Noise reduction and signal separation are very important basal works in signal processing. Pattern Filtering Method（PFM） , which is introduced as a new method for signal processing in this article, is applied to cross-hole tomography signal processing. Acoustic Computed Tomography (CT) signal with noise...

In order to diagnose the fault of roller group, we have designed an array pressure sensor and a scan circuit with weak crosstalk of the column signal for collecting pressure distribution data. Furthermore, these data are processed via both the probabilistic neural network (PNN) fault diagnosis model...

In response to the issues of strong theoretical nature and disconnection between practice and theory in the “Signals and Systems” course for applied undergraduate education, this paper proposes a modular teaching model of “five-module collaboration”. Through the organic integration of extension, lecture,...

Radar signal sorting is a key part of radar countermeasure nowadays, a blind separation algorithm based on Time-Frequency (TF) analysis of short time Fourier transformation is proposed in this paper, and the problems of underdetermined radar signal sorting can be solved effectively. The proposed method...

Aiming at the demand of high precision real-time acquisition of load attitude in wave compensation system, a method based on MTi to detect load attitude is proposed in this paper. Based on the data acquisition card and C++ Visual language, the on-line acquisition and calculation of the Euler angle of...

This paper presents an approach of applying principal component analysis (PCA) and fuzzy inference system (FIS) to recognition of activity of daily life (ADL). To overcome the non-intuitiveness of single acceleration signal and difficulties of feature selection manually, 32 common features are computed...

Along with the continuous renewal of information technology, teaching mode is also changing. More and more colleges and universities adopt the flipped class mode which is a kind of new teaching mode. This paper embarks from the flipped class theory, based on the applied talents training target of private...

This paper used 220kV porcelain-clad arrester defect at heavy contamination areas as a case, to research potential distribution by the means of high-pressure test and simulation. It has comprehensive analyzed the reasons that the defect of the arrester design is unreasonable. The paper reseached potential...

Recently, UAV has been widely used in various fields. The attitude estimation of autonomous UAV is an important basis for its autonomous flight mission. The attitude estimation technique based on GNSS is a traditional positioning method. However, it is a challenge to provide a high precision estimation...

People who are adjusting to life without hands encounter a range of challenges. Losing hands can occur due to several causes, such as trauma, illness, congenital defects, or damage. This paper presents the development of an innovative electromyography (EMG) based prosthetic hand, designed to restore...

Unproductive time spent in transportation not only frustrates passengers but also incurs significant economic costs globally. The rise of autonomous transportation systems has intensified the need for adaptive traffic signal control (ATSC) methods capable of responding to dynamic traffic conditions....

A novel device fingerprint (DF) based on the hardware property of RFID tags is proposed to enhance the privacy protection and information security of RFID system. The received signal of proximate tag is processed with quadrature down-conversion, cepstrum analysis, etc., the result is called cepstrum...

Background: Previous studies have demonstrated poor metabolic and blood pressure control in the diabetic population in Trinidad. The aim of this study is to compare baseline and follow-up metabolic parameters and blood pressures taken within a 16-month period to ascertain if there have been improvements. Method:...

The article is devoted to a survey of the known basic Time-Delay Estimation (TDE) methods in the application for detecting fluid leaks in pipeline transport and distribution systems. In the paper, both active and passive estimation methods are considered with respect to the presented generalized classification....

Acetylcholinesterase (AChE) is a critical enzyme involved in nerve functions and signal transmission within the brain. However, during aging, excessive AChE activity often leads to rapid and progressive depletion of acetylcholine (ACh), the major neurotransmitter. Shortage of ACh leads to reduced neurotransmission...

Problems in measuring online-based learning. in higher education, for example, the limitations of material explanations and internet signal barriers, so that the material presented by lecturers is not clear, making students have serious learning discipline. Therefore, learning discipline is very important...

Investment decision is an activity carried out by the investor for investing their fund. For this reason, investors must consider many factors. Investor consider accounting information in investment decision. However, investor psychology, which is reflected by a personal signal, is more dominant in investment...

The Chirp-Z transform (CZT) algorithm is a digital signal processing algorithm, it is applicable to the general case calculating limited width of the Z-transform along the spiral curve. The CZT is more flexible than the Fast Fourier transform (FFT) in calculating the frequency spectrum, so it is used...

Under the currently trend of the library collection quantity increasingly, the book disordered problem became more common which caused the reader too hard to find a book that they want. To solve these problems, this paper design the accurate location algorithm based on RFID intelligent bookshelf, and...

The length, number of layers, plane and longitudinal heterogeneity of injection wells of the second class reservoir are serious. The fractures are used to relieve the contradiction between the plane and the strata, and the channel edge and get the remaining oil potential difference between site type....

Information security becomes essential since China has entered the information society. Information security literacy will be the core quality of information literacy. College students in all disciplines must have some information security literacy. However, the current university information security...

The ship-borne aviation navigation positioning system usually receives superposed signals of the direct signal and multipath signal. Since the direction of arrival of multipath signal and the multipath time delay parameters vary with the ship attitude and sea environment time-variation, the angle and...

In the detection process of server network storm attack, the traditional method takes the signal detection algorithm, because the attack number is large, the detection error is big. According to the problem, an improved server network storm attack detection method is proposed based on improved density...

In this paper, I has analyzed China's commercial banks risk situation of e-commerce security; established a commercial bank’s e-banking risk management framework; measured the commercial banks operating in the electronic banking risk by extreme value theory. It provided a theoretical basis for Commercial...

One of the most researched topics in education 4.0 is the learning process which is dramatically different from traditional approaches. Since the learners and teachers are suggested to acquire the 21st century skills, robotic utilizations are needed. This paper discusses the usage of smartphone for students...

Cytokine storm is the major cause of death in patients with acute respiratory distress caused by COVID-19. Because cytokine storm is a life-threatening condition, it is important to treat patients with the most appropriate drugs depending on their infectious pathogen and medical status. In this short...

The seismic signal is non-stationary signal, which needs to be introduced into the time frequency conversion method. EPAH is provided in this paper, which uses HHT to deal with the non-stationary seismic signal. The advantage of HHT using in processing non-stationary seismic signal is utilized in EPAH....

According to the analysis of runway excursions incident data of China and world runway excursions prevention experience, this article present the importance of runway excursions prevention work in today's civil aviation safety management. Base on the analysis of domestic runway excursions incident data,...

In this letter, we proposes and experimentally demonstrates an optical layer modulation format conversion technique from quadrature phase shift keying (QPSK) to 16 quadrature amplitude modulation (QAM) in orthogonal frequency division multiplexing (OFDM)-based flexible optical wavelength division multiplex...

It’s well known, biased estimation can effectively reduce the steady-state mean-square error (MSE), as for system identification with a low signal-to-noise ratio (SNR).A new biased normalized least-mean-squares (NLMS) algorithm is proposed in this paper. In the proposed algorithm the optimal solution...

In this paper, researchers establish and verify a method on the determination of B2O3 in boron nitride through volumetric titration. Three criteria including proportionable system error, extra system error and statistics error are investigated in detail. The results show that, this method meets the requirements...

In order to adapt to traffic operation situation of over-saturated signalized intersection, the setting methods of optimal cycle and green split of every phase are studied. Selecting Xinan Rd. and Wuyi Rd. intersection as study object, traffic investigation was carried out. Considering the two factors...

Along with the diversification and complication development of electric equipment in warship, the harmonic pollution in power system is more and more seriously, and the harmonic detection technology increasingly turns into a very important subject. FFT arithmetic is an usual method to detect harmonic...

Selenium (Se) is an essential nutrient for humans as it plays an important role in anti-hyperglycemic and antioxidant activities. The objective of this work was to evaluate anti-hyperglycemic and antioxidant activities of Se-enriched mycelium polysaccharides. The Se-enriched mycelium polysaccharides...

The application of ultraviolet absorption detector (UV) and circular dichroism (CD) detectors in series in HPLC systems has been increased in recent years. In this work, an effective method to determine the enantiomer concentration on line in chiral drugs was explored. Ibuprofen (IBP) racemate was applied....