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A covariance shaping adaptive Kalman filtering method is newly presented to improve the positioning accuracy of MIMU/GNSS tightly-coupled integrated navigation system for UAV. A dual channel parallel filter scheme with the adaptive filter is proposed to improve the real-time performance and make the...

In order to further study the Insecticidal Mechanism of Bt protein against Holotricia parallela. In the study, According to the results of midgut transcriptome sequencing and RACE-PCR, the full-length hpalp gene was cloned. Sequencing analysis showed that the open reading frame of hpalp (GenBank accession...

A monolithic Cu-Mn-Ce oxides supported on a ring of silicon carbide (SiC) with molar ratios 1:2:1 were prepared by the sol-gel combustion method without any binder. The catalysts were characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), and Brunauer-Emmett-Teller method (BET)....

High frequency (HF) propagation can achieve long distance, low cost communications and it is one of the most important communication methods. The focus of this research is to develop an appropriate mathematical model for HF radio waves to communicate efficiently over various surface of the earth. First...

College dance teaching needs to adopt a combination of theory and practice. During the process of dance learning, undergraduates continue to practice the stage to further master the skills of dance movement to improve their professional skills. This is the teaching of dance in colleges and universities....

The propagation of TNT blast wave in the air is simulated by using the LS-DYNA finite element analysis software, to study the influence of boundary condition on the overpressure of blast shock wave. In the simulation, three kinds of blast equivalent are selected, which are 5.12 kg, 51.2 kg and 512kg....

The construction of underground engineering will bring risks and potential hazards to the adjacent tunnel engineering. A series of numerical analysis models have been built to analyze the influence of underground engineering construction having on adjacent tunnel structure under different horizontal...

In view of the special situation that the shield machine cannot be removed from the tunnel when meets the cutter head, and it must be decomposed and disassembled before it can be taken out in blocks, needing to construct the three-dimensional model of the cutter head, and the structural statics finite...

This paper empirically investigated the causal relationship between export decompositions and Economic growth for two BCIM countries mainly China and India. In this paper first we present the upgrading form for export decomposition by adding remittance as an extra factor and then we find out the causality...

Due to the influence of such factors as the special geographical and complicated social humanistic environment, sharp problems left over by history and vast cross-border ethnic minority areas, Xinjiang has been hot spot areas for non-traditional security problems, faced with a variety of non-traditional...

Organizational identity not only enables employees to identify their own position in the organization, but also links other members of the organization in organizational identity, reducing employee turnover and making the organization's operations more stable. Based on this, this study attempts to analyze...

The failure mechanism of anchored coal-rock composites was investigated through uniaxial compression experiments, which examined the mechanical characteristics and failure features of the samples under varying loading rates and coal-rock height ratios in order to clarify the specimens’ anchoring mechanism....

The design of smart wellness spaces currently faces three major challenges: an inherent contradiction between the widespread application of smart technologies and sustainable development goals; a disconnect between a function-first design approach and the need for cultural preservation, and the difficulty...

This paper presents a novel color feature descriptor, namely Color Mutual Information (CMI), to solve the problems of high computational complexity and low retrieval accuracy among the existing methods. The new color feature vector which describes the global and spatial distribution relation among different...

This paper takes the high dimensional data for large data mining technology as the research object, using the adjacency matrix and directed hypergraph detection relationship between association rule items, explores the method, classification based on spanning tree removal algorithm for detection of large...

Fitness apps have swept the whole society and have had a profound effect on people's exercise behavior. The sports apps promoted people's exercise behavior and habits significantly. Fitness APP into a new trend on college campuses, it can exercise anytime, anywhere, on-demand occurs and also life-long...

In this experiment grey fabrics (woven) were treated by using various concentrations of multifunctional scouring agent (M.F.S.A.) and H2O2 in case of single-step process. Also optimized required number of chemical used for whole process; here only two chemicals have been used. No additional chemicals...

The implementation of the undergraduate tutorial system is the powerful complement of the traditional teaching mode, and it is the embodiment of modern teaching model which in accordance with the aptitude of each student. The present situation of undergraduate tutorial system in Chinese universities...

Reward and punishment system of soldiers is a mean of managing soldiers in the military, and their ultimate goal is to motivate soldiers to ensure combat and discipline. After the study, in the period of Chinese civil war, Jinzhou regiment district has more stringent management to the reward and punishment...

This article take the boiler water temperature controller for research object and investigate the control system based on taking the SCM a microcontroller as the core as a boiler controller, sensor technology, the basis for the system design to achieve the temperature and water level of the collection....

This paper is mainly to develop a measurement standard for insulation parameters on-line monitoring device. The paper achieves measurement standards for the Voltage, current, capacitance and dielectric loss data of in-sulation parameter monitoring device by voltage, current sync source generated by DDS...

Aiming at the stability problem of crane lattice boom with large slenderness ratio, the applicability and practicability of four kinds of design theories and methods (the allowable stress method based on linear theory, the allowable stress method based on nonlinear theory, the limit state method based...

A master-slave system consisting of a hydraulic Stewart mechanism is developed. This system can be used for grinding complex curved surfaces while keeping the operator away from the harmful dust produced. to prevent the upper platform from moving in the wrong direction because of the limitations of the...

Along with the growth of the Chinese economy, China is apt to have increasingly significant position in the global markets. It's always one key for China to win a pivotal position among nations by internationalizing the currency. Several acts during this process, including accepting the market-linked...

To obtain the concentration field and the optimized ventilation mode of propellant storehouse, the thesis makes computational fluid dynamics (CFD) simulation to the storehouse with the boundary conditions and 3D models of original and optimization design. Positive pressure ventilation (PPV) is a successful...

An miniature underwater robotic system for hazardous environment has been developed. The system consists of an underwater robot, a robot control station and a cameral control station. The underwater robot is installed two cameras for inspection, one is a camera of radiation resistant with two-freedom...

In today’s society, people’s pursuit of equality is becoming more and more intense. At the same time, an important part of equality - racism - has received more and more attention. As the number one sport in the world, football has a wide influence in many areas at any time. There are a large number...

Starting from the Lax pairs, the nonlocal symmetries of the coupled variable-coefficient Newell-Whitehead system are obtained. By introducing an appropriate auxiliary dependent variable, the nonlocal symmetries are localized to Lie point symmetries and the coupled variable-coefficient Newell-Whitehead...

A new methodology to process received signal in X band ultra-high resolution synthetic aperture radar (SAR) is presented in this paper. The received wideband signal is decomposed into sub bandwidth signals firstly, which are compressed by the chirp scaling algorithm (CSA) and then combined in 2-D frequency...

Online learning has become an important learning method, and online education platform has been widely used. Leading mixed teaching is a new teaching model that combines traditional classroom teaching with online teaching. It can well solve the problem that online education based on autonomous learning...

The experimental research has been carried out about the constant and variable pressure of sugar mud by filter pressing in this paper in order to meet the needs of production,and analyze the changed relationship between the filtrated volume and time under the constant pressure,Under the consideration...

Purpose: We do it for tracking the markers of experiments on vibration platform. Method: We recommended HT method which owns better robustness, then designed the programs by the way of MATLAB to demarcate the centers of vibration markers. Result: We have successfully demarcated the centers of vibration...

On June 9, 1898, the Middle East Railway was put into construction in Harbin, and Harbin became the northern largest city in China. Since her rise, the city has always enjoyed the reputations of "Oriental Moscow" and "Little Paris in the Orient". Her beauty owed to her beautiful architectures of "new...

Hydrogen addition to natural gas engine will conserve energy and reduce emissions. In this paper, the effects of enriched hydrogen were analyzed and exhaust gas recirculation(EGR) characteristics of hydrogen enriched compressed natural gas(HCNG) engine were simulated. The results show that the ignition...

In order to better verify that Hadoop performance can be improved through optimization of parameters, we can use the following test methods: benchmarking, stability testing, high availability testing, scalability testing, and security testing. In this paper, the benchmark test method is used to verify...

This paper focuses on the special working condition-accidental loss of the effective load of sub-boom working conditions for combined lattice boom, establishes a rigid-flexible coupled model of the sub-boom system based on ANSYS and ADAMS, and applies multi-body dynamics analysis method to conduct theoretical...

China proposed the double-carbon goal of “3060”, which outline the path for the greening manufacturing business. To meet this requirement, China's manufacturing sector urgently requires green transformation to boost competitiveness. Several case studies on the Chinese manufacturing industry were...

According to requirements of the leaves position precision control of multi-leaf collimator (MLC) in the process of radiotherapy, the structure and working principle of the multi-leaf collimator of conformal radiation therapy apparatus was described. The motor that drives the leaf of the MLC was taken...

During the rehabilitation training, the methods of gait analysis and planning are very important. We must consider the simplicity of implementation and the validity of method used. Combined with ultra-wideband wireless body area network, gyroscopes, acceleration sensors and TOA positioning technology,...

China’s aging population is aggravating. Based on the current situation that medical institutions and endowment institutions are independent, and unable to meet the needs of the elderly, the author first studies the importance and significance of the endowment service combining medical treatment with...

On the basis of simulating finite element model that according to an actual engineering, the paper uses mode-superposition response spectrum for the calculation of horizontal and vertical seismic actions. In addition, to obtain dynamic time history response of the prestressed concrete conversion truss...

In multi-attribute group decision making (MAGDM) problems, decision attributes of alternatives are often considered as with quantitative and qualitative information. Therefore decision making problems may include preference information in different formats. In this paper, a multi-attribute group decision...

The 1:4 scale model for shaking table test was designed as a typical three-storey-office building strengthened with external steel reinforcement mesh mortar layer. The process of modeling was provided, including the relationship of model and proto structure, and the design principle of model components....

Abstract: With the continuous improvement of computer technology in all trades, college basic computer course teaching in colleges and universities faced a great deal of pressure on exploration to application-oriented talents cultivation mode of student-centered that is the current hot issues to be solved...

With the different treatment intensity of electric field, we analyze the influence of electric field on infrared spectra of superoxide dismutase by using infrared spectra method. The results show that, superoxide dismutase (SOD) is treated with different electric field intensity, the absorption peak...

Methanotrophs are a group of microbes with methane as the sole carbon and energy source. Methane Monooxygenase (MMO) is the vital enzyme system in the metabolic process of methanotrophs. Under the action of molecular dioxygen, MMO can catalyze olefin epoxidation reaction. Fruits and vegetables can release...

Traffic replay is a common method in traffic generation applied to the construction of network cyber ranges. At present, the implementation of replaying traffic within cyber ranges is one client one server or multi-nodes one-way communication, the effect is inferior. Therefore, this paper proposes a...

Kate Chopin was an American author of short stories and novels based in Louisiana, who was considered by some literary critics to have been a forerunner of American 20th-century feminist authors. In her famous work A Respectable Woman, she created a contradictory character and a brilliant and ambiguous...

Regarded as the fourth-generation light sources, light emitting diodes (LEDs) have recently gained much interest as projection light sources due to their long lifetimes, large color gamut and small size. In this work, we design and fabricate a compound parabolic concentrator (CPC) coupled to an optical...

With the popularity of the Internet and the development of information and communication technology, people's pace of life is gradually accelerating, which brings opportunities for the local fast food industry in China. The chain stores can not face the fierce competition of the catering industry in...