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For the multi-criteria decision-making problem of portfolio investment in power grid construction projects, the modern portfolio theory is used to construct a portfolio optimization model based on adaptive particle swarm optimization algorithm under the constraints of power demand, grid enterprise investment...

This paper analyzes the problems in the process network configuration of smart substation. A method for automatic configuration of process layer network in smart substation based on SDN is proposed. First, establish a physical port model that defines the configuration information for the process layer...

The blind signal separation based on eigenvalue decomposition, and under the number of unknown sources, when the dimensionality of signal space is determined to be wrong, it will result in larger separation error. This paper uses the directional information of the array structure to build the blind signal...

The ability to estimate distance between people has been an important aspect in contact tracing especially in this Covid-19 pandemic. This is because, distance is one of the crucial element in determining whether a person is a close contact or not. In this context, Centers for Disease Control (CDC) and...

Background: Fibromuscular dysplasia (FMD) is a non-atherosclerotic, non-inflammatory vascular disease involving medium-sized muscular arteries, whose pathophysiology is still unknown. Objectives: We aimed at identifying systemic vascular alterations in usually non-affected arteries of patients with...

Elastic and surface properties of Ω phase have been studied by using the first-principles calculations based on density functional theory. The elastic properties results show that Ω structures are more inclined to resist shear deformation than volume deformation, and the precipitation of Ω phase enhances...

Jiangxi is rich in water resources. But its leisure fishery is overall in the initial stage of development and shows low Comprehensive index of economic development and large region development differences. Therefore, based on the investigating in present development situation of Jiangxi leisure fishery...

Many factors that affect the safety behavior of miners, it mainly focus on four major aspects of the accident caused by personal behavior factors, operating environment, equipment and facilities, economic benefits and so on. The principal component analysis method and factor analysis method are used...

In this work, FRP panel surface was treated by 12 plasma techniques formed by a pairwise combination of four power consumptions (300W, 400W, 500W, and 600W) and three transmission velocity (2.5m/min, 5.0m/min, and 7.5m/min) respectively, and then adhere to timbers. According to delamination test dates,...

On the basis of analyzing the development status of the ZigBee technology, a new method to analyze the wireless communication reliability is proposed by using the signal strength (RSSI), through the formation of a wireless network model by using module CC2530PA, all the packets received in the ZigBee...

In this work, hexagonal barium ferrite thin films have been deposited on Al2O3(0001) substrates by pulsed laser deposition. The influence of oxygen pressure on the crystallographic structure and magnetic properties of BaM films has been studied. X-ray diffraction theta-2theta reveals the films have a...

In this paper, the discrimination of speech and ship-radiated noise has been studied, for their interference with each other in the modern sea war, and a new feature abbreviated as SFSD (the Similarity of the Frequency Spectrum Distribution of two successive signal frames) is introduced. Based on the...

SMEs are an important segment of the Malaysian economy and contribute significantly to the country’s economic growth. Nonetheless, SMEs are riskier and associated with a high failure rate. Hence, the aim of this study is to develop a failure prediction model for SMEs in the hospitality industry by using...

Cyber-attack is a negative impact of the development of technology in the modernization era. This attack utilizes technology to attack telecommunications networks. According to international law, cyber-attacks can be categorized as international crimes. Cyber-attacks took place in Estonia and Iran resulted...

Human gestures can be used to interact naturally with computers. One of the human gestures is hand gestures. The hand gestures signal in hand gesture recognition systems can be acquired through on-body sensors, cameras, and radar sensors. Compared to the other two data acquisition devices, radar sensors...

Human activity recognition based on Wi-Fi Channel State Information (CSI) has gained attention in smart sensing due to its non-invasive and widespread applicability. This paper reviews four main approaches. First, traditional machine learning and signal processing use hand-crafted time-frequency features...

This study examined diurnal and seasonal variability in secondary weather parameters- refractivity, refractivity gradient, k-factor, and field strength- over Ogbomoso, Nigeria. Results showed significant diurnal variations, with maximum refractivity of 375 N-units and k-factor of 1.48 in the early hours,...

Facing the unbalance drop of three-phase grid voltage, jumping frequency and other complex working conditions, the accuracy and dynamic response of phase-locked loop (PLL) have become the important performance indicators of the photovoltaic grid-connected inverter. Aiming at the problem that the low...

To understand how S-adenosylmethione (SAM) fluctuates in normal and cancerous liver cells, we developed novel methods for measuring methionine adenosyltransferase (MAT) activity and SAM. This method integrated MAT-catalyzed reaction and immunoassay that specifically and quantifies product SAM. IHC, IF...

An interesting phenomenon in networked radio broadcasts today is how broadcast listeners in different cities can listen to networked radio broadcasts without losing "locality" where the listeners of the networked radio broadcasts exist. This study aims at determining whether the presence of local content...

This paper presents a fast quality scalable video coding method based on compressed sensing(CS). The proposed method obtained the coding scheme of the enhancement MJU by using the interlayer and spatial correlation and kept the base layer’s coding scheme unchanged. And the part in the enhancement layer...

By discussing the practical application of the theory of analog electronic technology in engineering, this paper solves the problem of lack of knowledge of innovation and entrepreneurship in the course of theoretical basis. Firstly, the basic principle of differential amplifier circuit is analyzed. The...

At present, housing security is essential to people’s daily life, so the application of monitor system is becoming more and more common. According to the background, the schema of transmission of alarming information to mobile call is introduced .The alarming system is composed of monolithic module and...

With the progress of reform, more and more outstanding local talents have joined the civil personnel teams and have become an important part of military personnel. How to give full play to their intelligence and inspire innovative behaviors has become an important issue for military human resource management....

One of the most popular audio file formats suitable for hiding information is Windows Audio-Visual (WAV). The two main areas of modification in a WAV file for data embedding are the storage environment and digital representation of the signal that will be used. In order to conceal secret messages successfully,...

Process condition was changed by preventative maintenance that may lead to the inconsistency of process output. In practice, process engineers have difficulties to discover the inconsistency that the defect wafer may have been produced before the next measurement. This study proposes a virtual metrology...

Sorting out clearly the current situation and challenges of ideological and political teaching in military academies is a realistic basis for better development of ideological and political courses in military academies. The paper proposes that the current military academy curriculum ideological and...

This paper shows how small self-made corpus of spoken language will be applied in oral English classroom in China. It has been illustrated that both students and teachers had lacked register awareness in oral English teaching and learning from a linguistic aspect. Students’ weaknesses in oral English...

The microstructure (before and after quenching), phase (before quenching), carbide content and hardness were studied by scanning electron microscopy, X-ray diffraction, optical software and Rockwell hardness tester. The results indicate that carbides of Cr5 steel have different morphology features and...

The paper presents a development of emotion recognition system which can detect human emotion in real-time leveraging information captured from human body’s electromagnetic (EM) signals. A new model of controller framework was designed to embed the emotion recognition module which was evaluated on a...

With the rapid development of biology, more and more attention has been paid to the research, which is very valuable, about small molecule peptide of which the structure is relatively simple and the molecular weight is small. This paper summarizes the characteristics of small molecular peptide, the screening...

Considering the weak signal of partial radiant point, the traditional TDOA(Time Difference of Arrival) detector cannot meet the requirement. A weak signal detection method based on double time difference collaborative mechanism is proposed. In this thesis, the double time difference collaborative detector...

China’s red music culture is consistent with the development of the Chinese revolution. It is an important magic weapon for cohesive combat effectiveness and an important form of promoting the main theme. It can educate and guide the broad masses of people to establish a correct world outlook, outlook...

Due to the continuous development of 3D scanning technology, the point cloud data is becoming more and more redundant. Storing or handling these data will consume a lot of time and computer resources. In this paper, a method for cloud data reduction based on 3D Grids is proposed. It includes searching...

The wide application foreground of forestry special robots makes it become the hotspot of current research. The attitude angle measurement [1] of the special crawler-type robot is one of the key problems. Based on the complementary filtering algorithm, the attitude and angle measuring circuit and data...

The Stimulated Raman Scatting (SRS) sometimes plays a negative role in a fibre OPO ring cavity, which may consume the signal laser power. We established a mathematical model for describing the SRS process in the OPO cavity. A SRS threshold is presented. The SRS net effective gain should be smaller than...

As the basic element of TV advertising, music is very common in TV advertising and plays a very important role. This paper mainly explains the role of TV music, analyzes problems in its development, and puts forward several thoughts.

Smart house scheduling is the grid terminal demand response based on the reference signal, the electricity market price. In this paper, the user consumption perceived benefits and the system running cost were considered. In the intelligent house system with energy storage device, the load control model...

This article discusses the problem of active detection and estimation for the elevation angle of a target in a homogeneous shallow sea environment, where a method using active detection on virtual time reversal (ADVTR) is proposed to solve the estimator performance decline problem caused by multipath...

The black swan event has the characteristics of rarity and serious consequences. At present, the analysis of black swan events is generally preconceived (that is, the event is assumed to be a black swan event, and then the influence of the event is discussed), or whether it is a black swan event is directly...

The Train Operation Monitoring and Recording Device (LKJ) is a core onboard safety equipment for Chinese railways, and the correctness of its embedded control software directly affects train operation safety. Conventional manual testing suffers from low coverage, heavy workload, poor repeatability, and...

This paper presents a robot swarm model to enclose a target. The robots use information of the target and each of their neighbors. Every robot has its own, standard torch-like signal emitter and they can observe the sum of the intensity of their torches. In this paper, the robots identify their nearest...

Projected capacitive touch screen has the advantage of wear-resistant, high transmittance, long life, low power consumption, high sensitivity, noise rejection capability and support for multi-touch .This paper studies the related technologies of projected capacitive touch screen system: full touch point...

A solar grain drier with a sun drying system and vacuum glass was developed and the corresponding water potential model was established in this paper. It was shown from the simulation analysis of the grain drying process that the moisture content of grain could increase to14.0368% with increasing the...

The pressure wave transmitted in the non-Newtonian drilling fluid is widely used for the information transmission in Measurement While Drilling/Logging While Drilling technology. It is essential to get the friction model in the non-Newtonian drilling fluid to evaluate the signal attenuation. A model...

This thesis studies SRS noise estimation method with multi-users in the Long Term Evolution(LTE), and proposes a Discrete Fourier Transform (DFT) time-domain filtering algorithm based on interference cancellation. By calculating signal power in the system protecting band, decision threshold of time domain...

PSS2B is a kind of dual-input power system stabilizer which takes rotational speed deviation and electrical power deviation as its inputs. The shaft torsion signal introduced by the rotational speed deviation have an effect on the low frequency signal each other. The interactions affect the parameters...

When rectifier station of LCC-HVDC has power fluctuations running at large load, AC filters controlled in groups at rectifier station are switched frequently. That problem potentially has impact on service life of corresponding circuit breaker and threatens the safe operation of the DC system. In this...

On the basis of a certain type of radar is proposed to establish based on C / S architecture, teaching and training loop simulation of radar system design. System prototype developed by the host analog receiver with the received signal, and display the data passed to the client, and then displayed by...

Background: Molecular pathways leading to stiffening of the central arteries are poorly understood. We searched for differentially expressed proteins by urinary peptidomic analysis in patients with arterial stiffness and healthy controls in a case–control study. Methods: To identify urinary peptides...