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According to high accuracy demand in the measurement field, this paper designs a high precision inertial measurement system by using DSP and ARM processor to realize carrier-phase differential GPS/INS integrated navigation. This paper chooses Kalman filter to estimate the systematic error, uses closed...

The application and development of computer network system bring a great convenience for library management and readers. At the same time, the security of computer network system in library is faced with all kinds of threats. How to guarantee the security of library computer network system has become...

Portfolio investment is the core of all kinds of investment activities in the financial market, is an investment decision under uncertain conditions, is an important branch of the economic field. The portfolio is a common way to avoid risk. A portfolio is generally considered to be a combination of bank...

The distribution of educational resources in schools, as a manifestation of educational equity, is having a significant impact on the development of individual students. This study examined the impact of three dimensions of schooling resources on students’ self-expectations from the aspects of electronic...

This paper analyzes the research status of online teaching, especially the demand for offline teaching in the context of epidemic situation. According to the teaching practice of “Introduction to Airworthiness”, the reform and practice of “three progressive” teaching mode of “before class, during class...

At present, with the rapid development of information technology, the traditional site management mode has seriously lagged behind the development of the information technology. In view of the shortcomings of the intelligent management construction, this paper puts forward the deep integration of BIM...

As gender diversity is increasingly valued in corporate governance, we investigate the impact of board gender diversity on corporate cash holdings. We infer a positive correlation between board gender diversity and corporate cash holdings. Combining single factor analysis and baseline regression analysis,...

A Reconfigurable Optical Add-Drop Multiplexer (ROADM) is an optical add-drop multiplexer that can remotely switch user’s traffic. This optical network considered input power for the project’s first stage by implementing a 4-channel Dense Wavelength Division Multiplexing (DWDM) system. The resulting outputs...

This paper investigates the predictive return power of three asset pricing models during market turmoil: the CAPM, Fama-French 5 factor model, and q-factor model. We select two periods of market downturns: the 2008 financial crisis and the 2020 Covid period. The models are trained before these two periods...

Spectrum sharing technologies can achieve the maximum usage of spectrum resources flexibly and high-efficiently, which relieves the current spectrum crunch situation availably. In a multi-hop cognitive wireless mesh network scenario coexisting with a TDMA/FDMA cellular network, an effective scheme of...

Due to the classical risk model has many hypotheses which cause limitation, the two-insurance double Poisson risk model is set up, when the two-insurance claim follow exponential distribution, and one insurance claim follow exponential distribution, the other insurance claim follow combination of exponential...

Use of turbocharger can make the energy taken by the exhaust gas be recycled again. A new further innovation of electronic aids turbocharger is made: The turbine and compressor in exhaust gas turbocharger are connected on a planetary gear mechanism with a motor. It is a new solution that the turbine,...

The aircraft fuel system simulation as an important part of aircraft design is a complex systems engineering, it is one of the experimental project to ensure the success of aircraft design. The test verifies the aircraft fuel system's correct and reasonable of design and calculation and verify that the...

Periodic signal has practical applications in many occasions the periodic signal met Dirichlet’s condition can expanse in Fourier series.Usually series expansion coefficients indicates the amplitude of the signal harmonics. Only the mathematical expectation for the known periodic signals using Fourier...

The refugee and asylum seeker have become one of the most important issues for Turkish policies and the immigration policies for refugees and asylum seekers in EU provides enough room for sovereign states to accept those immigration from the Middle East. At the same time, the social capacity and political...

The paper researches the parametric inversion of the two-dimensional ellipse equation by means of non-linear optimization method, draw a Numerical Solution for such inverse problem. It is shown by numerical simulations that the method is feasible and effective.

It is well known that a semi-group’s action on a space could appear chaos phenomenon, like Li-York chaos and so on. Li-York chaos has important relations with topological transitivity and periodic point. This study analyzed metric space(X,d) and it’s dinduced Hausdorff metric space(k(X),H) . Let T is...

Autonomous robotic systems have gained significant attention due to their potential applications in industrial automation, surveillance, logistics, and assistive technologies. This paper presents an Intelligent Robotic System that integrates multiple AI-driven techniques, including You Only Look Once...

Objective: To detect the anti-inflammatory action of magnetic targeted triptolide nano-particles on adjuvant arthritis (AA) rats and the levels of interleukin-6 (IL-6), tumor necrosis factor (TNF ) and interleu-kin-10 (IL-10) in serum and synovial fluid, in order to investigate the possible therapeutic...

In order to enlarge the application scope of the existing criteria for the heat transfer deterioration, the criteria of heat transfer deterioration was assessed by using the method of mechanism analysis and experimental data available in the literature. The obtained results indicated that the criteria...

Nowadays, WiFi becomes a popular wireless accessory method to most of us. People use WiFi to interact with the wireless Internet, perform commercial and financial transactions, or conducting recreational activities, etc. Though it offers a more convenient life to people, the strong Electromagnetic waves...

Accompanied by China’s New Normal Economy and Chinese social and economic transition. The urbanization has entered a new stage of improving quality and increasing efficiency as the main development, meaning that future urban construction shall not only focus on newly increased lands only, but also focus...

In this paper, the effects on the finite element analysis results of mesh size and mesh compatibility would be discussed based on a shear wall which has non-aligned holes. The computed results based on the compatible mesh and non-compatible mesh would be presented and compared. Similarly, the FE models...

A multiple adaptive fading cubature Kalman filter (MAFCKF) is designed by introducing the multiple fading factors to mitigate the negative effects of the uncertainties in dynamics or measurement model. The effectiveness of the proposed MAFCKF was demonstrated and proved by the INS/GPS integrated navigation...

Complex q-rung orthopair fuzzy set (CQROFS) contains the grade of supporting and the grade of supporting against in the form of polar coordinates belonging to unit disc in a complex plane and is a proficient technique to address awkward information, although the normal fuzzy number (NFN) examines normal...

With the proposed concept of things, things technology in logistics and distribution will promote the further development of logistics and distribution. Based on the current status of domestic and international distribution logistics comparative study found insufficient logistics existing in our country...

The paper, for the purpose of studying the relevant factors affecting the projecting velocity and time of video scout projectile, makes an analysis on the stress condition of projecting section of scout equipment, sets up the axial movement differential equation for scout equipment, and analyzes the...

This paper selects key constructs such as leader innovation behavior, innovation subjective norm, leader-member exchange relationship, and employee innovation behavior, and deeply excavates innovation subjective norm and leader-member exchange relationship as mediating and moderating variables, respectively,...

In view of the main fault type in boiler steam water system, a variety of complex fault data are extracted. A wavelet neural network fault diagnosis based on particle swarm optimization algorithm is designed. The wavelet neural network constructed by three-layer wavelet neural network, is trained by...

As the most important part of wind turbine, the safety and reliability of pitch control system is very important. This paper deeply studies three aspects of pitch control system, including pitch controller, servo driver and backup power. At the basis of the control principle of pitch control system,...

Based on polynomial secret sharing, we construct a robust forward-secure threshold signature schemes. This scheme have the following property: even if more than the threshold number of players are compromised, it is not possible to forge signatures relating to the past. This property is achieved while...

Distribution grid will be greatly influenced when large scale electric vehicles are simultaneously charged or discharged. Firstly, the assumptions related to the charging and discharging power of EVs are discussed, and the probability of daily driving distance is examined. Secondly, the probability models...

"Yellow Emperor Internal Classic" is also called "Nei Jing" and establishes the basic framework for the system of traditional Chinese medicine theory. It plays a decisive role in the Chinese classics. "Nei Jing" takes use of refined language, reflecting the rich cultural flavor, its value and the value...

Theoretical line loss calculation is the basis for line loss analysis, and reduce the time of calculating the theoretical line loss can improve the efficiency of the line loss analysis.This paper,aiming at the wasted issue in power transmission,presents a theoretical line loss calculation framework that...

To provide theoretical basis for the prevention and health care of the elderly with traditional Chinese medicine (TCM), 752 elderly people over 65 years old in a university community in Wuhan were investigated with the question form of TCM constitution combined with the judgments of the TCM doctors,...

To do well in the prevention and treatment of common diseases in field practice for college students, 1306 students from the Zigui Practice Base of China University of Geosciences (Wuhan) were selected as the research objects. The 27-day outpatient clinic visits were counted, including the daily number...

The effects of the model and weight function on outlier detection are evaluated by the simulated optical and radar observations. The iterative reweighted M-estimation based on different iterative reweighted functions is used for the outlier detection test. Three typical models of the optical and radar...

The purpose of Research teaching is to train students in learning and capacity of innovation. This paper, based on the Bayes formula, discusses the design and practice of the case under the research-oriented teaching. Combining knowledge, we designed cancer diagnosis, automatic text correction, business...

It is of great significance to understand the rule of soil infiltration to develop and better use of land resources or guide the agricultural irrigation. The grass infiltration apparatus is used to test the soil infiltration under different land uses, including grassland, woodland and vegetable land....

In order to study the seismic behavior of SRC-RC transfer column under low-cycle loading, the open source finite element software OpenSEES was used to establish models of SRC-RC transfer column based on fiber model and conduct numerical analysis. Compared with experimental results, numerical analysis...

Based on the safety operation requirements of petroleum special vehicles, a type of multifunctional virtual real-time general observation system is developed on the in-depth study of the well testing principle, on the in-depth study of the well testing principle, which can measure pulling force, tension...

User experience of safety facility is very important, and good experience helps users save themselves better and faster from dangerous situation. To improve user experience of using safety facilities, potential user needs and their psychological states should be focused in design. In this research, fire...

This study addresses the problem of inequality between social and corporate benefits in creating a recyclable low-carbon supply chain under the "dual carbon" policy. Our research constructs a two-level closed-loop supply chain in which manufacturers lead, retailers follow, and demand is influenced...

With the popularity of the Internet, e-mail with its fast and convenient advantages has gradually developed into one of the important communication tools in people's lives. However, the problem of followed spam is increasingly severe, it is not only the dissemination of harmful information, but also...

the application of aluminum alloy bars are widely. The main problems in the production process is coarse grain. Through the analysis of the characteristics of the metal in the process of extrusion forming, introduced the effect of the die structure on the degree of deformation and press stress and the...

Robotic grasp detection is a fundamental problem in robotic manipulation. The conventional grasp methods, using vision information only, can cause potential damage in force-sensitive tasks. In this paper, we propose a tactile–visual based method using a reproducible sensor to realize a fine-grained and...

A hysteretic loop correction (HLC) model was established by introducing the position and shape correction factors of hysteretic loop in early study (International Journal of Pressure Vessels and Piping, 86 (2009) 616-621) based on the testing data of two Ni-based super alloys of FGH95 and GH4169. This...

Proposed is an affine projection sign algorithm with a nonlinear error scalar matrix to improve the robustness and the tracking performance against non-Gaussian impulsive interferences. The error scalar matrix scalars down the errors of some projection directions in the presence of impulsive noise. The...

For interference problems between multiple readers in the RFID (radio frequency identification) system of the Internet of Things, an anti-collision algorithm of RFID reader (CAAC) based on cultural optimization is proposed. The reader starts hierarchical clustering in the RFID network, by dynamically...

As China’s international influence increases, the influence of the renminbi in the international currency market is increasing. Some scholars have confirmed that to a certain extent there is a linkage between exchange rates and stock prices, but the relationship between exchange rates and the real estate...