In an Agricultural Internet of Things (AIOT) system, there are a variety of wireless communication devices working simultaneously and producing interference due to using different protocols. In this paper, the problem on coexistence of ZigBee/ WiFi in AIOT is analyzed and a dynamic channel assignment...

Chinese ICT products due to the continuously improving ratio of price/performance are predestinated to win the WTO/GPA procurements worldwide. Paper presents the WTO/GPA procedures, taking under consideration the project management standard ISO 21500:2012 and law implementations in China, USA, Switzerland,...

The National physical fitness monitoring results show that the physical quality of teenagers declines for more than ten years in China. Physical health level of students is the short board of comprehensive quality of teenagers' all-round development. The state and society are aware of the importance...

The existing distributed database management system can realize the data storage with high access bandwidth through the cluster, which has the characteristics of reliable data replication and fault detection and fast automatic system recovery. However, with the existing network platform software and...

On the basis of the study of the spectral characteristics of the fingerprint image, a fingerprint image segmentation algorithm based on Fourier transform is proposed. Fingerprint image is divided into blocks to calculate Fourier transform, the average value of the Fourier transform amplitude of the sub...

In this paper we study the robust dual watermarking algorithm in financial fraud detection. We propose a novel dual watermarking algorithm to protect the financial note from unauthorized tampering. First, the target watermark image is converted to binary format. We adopt the reversible and visible watermark...

In this paper we study the acoustic scene classification using a large dataset. The spectrogram of the large acoustic samples are extracted and applied with texture feature classification method. First, the acoustic scene database is built including various acoustic events. Second the image texture features...

The main content of this paper is the prediction algorithm of the time that the campus bus needs to arrive at the position of the passenger. The prediction algorithm uses a method of piecewise prediction. According to the historical average velocity data of each section of route, the residence time of...

This paper completed the virtual prototype design for a boating robot in ADAMS. After adding the joints and motion functions, a dynamic simulation and analysis to the virtual prototype had been carried out. It approved the boating robot could achieve the intended motion as the requirement. The simulation...

Geometric overlapping coefficient is one of the key factors for the near distance signal processing in lidar detection field. Based on the geometric analysis of Mie-polarization lidar, three kinds of shape of the overlapping area of between the telescope field of view and the laser of an off-axis Mie-polarization...

In order to correct the shortcomings of the former brain storage model, an improved brain storage model was proposed, it consisted of a memory bank and a series of sub-storages. These sub-storages were concluding sub-storage, effective search sub-storage, storing sub-storage, recalls sub-storage and...

The reasonable use of agricultural resources and recycling is the basic requirement of construction of China's economic sustainable development, realize the effective use of agricultural enterprise resources has important significance not only in management theory, but also for the sustainable development...

It was found that market demand was the critical factor for the uncertainty of virtual enterprise by the summarizing of the form of virtual enterprise(VE) supply chain and the analyzing of the uncertainty of the virtual enterprise supply chain. The market demand forecasting model based on Markov chain...

In view of the current network security situation, the basic principles and implementation method of quantum cryptography are studied. Considering the present situation of quantum cryptography communication technology and launch vehicle range, a network scheme is designed based on quantum cryptography...

In order to make up for some shortcomings in the alarm clock based on smart phones, a design of LED digital tube intelligent alarm clock based on MCU is proposed. The project: LED digital tube intelligent alarm clock is based on MCU, which consists of the STC90C516RD MCU, together with some peripherals...

By analyzing the components of the Modbus/TCP protocol, this paper designs the communication network of industrial Ethernet based on Modbus/TCP protocol. The realization method and process of client / server communication mode are given.

In this paper, a series of orthogonal experiments on the silicon dioxide (SiO2) substrate of the fiber optic sensor are carried out. The surface modification of the substrate with different thicknesses of Au nanoparticles is carried out, and the surface-enhanced Raman spectra of the optic-based materials...

Continuous roll forming (CRF) is a new type of flexible forming technology, which can produce three-dimensional surface parts with different curvatures by adjusting a pair of bendable rolls and the distribution of roll gap. In this paper, shape error analysis on the three-dimensional surface part is...

Intelligent connected vehicles (ICV) share a lot of traffic information involving location through V2X communication to improve the efficiency of transportation. Hence, location-aware privacy protection is the key issue in ICV. In this paper, a scheme called variable periodic pseudonym (VPP) is proposed...

In order to guarantee the synchronization of multi-simulation entities in the multi-channel 3D visual simulation system, the dynamic synchronization method is of great significance. By improving the traditional bucket synchronization algorithm, the paper presents and implements the frame bucket lock...

According to low-frequency electromagnetic compatibility problems of automotive electronic equipment, an automatic system based on 3-dimensional robot-arm was put forward and designed to detect electromagnetic field intensity. The recorded intensity of electromagnetic, and then implement three display...

The cross-border E-commerce is becoming a new growth point of China economics. As predicts 2020, the China cross-border E-commerce will reach 12 trillion Yuan. So the economic area should give it extensive attention and deep research. This paper analyzes the development stages and situations of China...

Based on the Vector Control theory, this paper uses the MATLAB/SIMULINK simulation software to build and simulate the rotor flux model in the induction motor. The result is obtained that the two waveforms produced by simulating the rotor flux current model and voltage model are credible under the ideal...

It is difficult to control the temperature, due to the specific heating of the insulating oil and the high viscosity. It is necessary to design other method to control the temperature rather than the conventional control method. Combined with some characteristics of temperature control, a method of fuzzy...

As we know, parking guidance system (PGS) can help vehicles find appropriate parking lot more efficiently. Real-time guidance information delivers to vehicles; however, vehicles don't always follow the guidance due to various reasons in reality. This paper focuses this phenomenon and design the PGS in...

As embedded hardware and software become increasingly complex, the traditional command based development debugging operations have been unable to meet the daily needs. Graphical debugging tools have become the most popular choice. As a good open source software, Eclipse provides a large number of expansion...

Automated Mechanical Transmission technology and new energy vehicles is the development direction of the market, gearbox system software application prospects, the foreign relevant departments have taken strict confidentiality measures to gearbox system software design and calibration methods, the domestic...

The shortcomings of the existing single Finite State Machine (FSM) model and diagnosis method are given by analyzing the single FSM model and problem model. Then, according to the shortcomings of the current single FSM error model, a new state machine model and problem model are proposed, that is, the...

The fluorocarbon (FC) films were deposited on polyethylene terephthalate (PET) fabrics by a magnetron sputtering method. Effects of sputtering parameters on the water-resistance, uvioresistance and morphology of the fluorocarbon films were investigated. Results indicate that the film thickness increases...

SNOW 2.0 was proposed by Ekdahl and Johansson as a strengthened version of SNOW 1.0, which was submitted to the NESSIE project, with a variable-length key of 256 bits. The designers of SNOW2.0 improved the resistance against Guess and Determine (GD) attack by introducing two inputs to the Finite State...

In this paper, the grate bed temperature field distribution state was simulated by computational fluid dynamics (CFD) method. Then, a spatio-temporal coupling fuzzy control method for grate bed temperature field control was proposed. Finally, experiments were conducted on a 150 million tons pellet production...

During the hydraulic compression packer setting process, axial stress of the string will be generated, which may affect the safety of the string. In this paper, the double-packer string in a horizontal well is taken as the object. Considering the two packers are seated separately, on the basis of Lame...

In industrial production, the gas-solid two-phase flow involves a wide range. The parameters of the two-phase flow measurement become one of the hot research works. By COMSOL software, a radial simulation model is set up to study particle distribution in radial section and their sensitivity. And also,...

Generating descriptions for open-domain videos is a major challenge for computer vision due to the complex dynamics. In this paper, we propose a video description model based on multiple features. In the process of encoding, we exploit two complementary features. The spatial one is extracted from the...

According to the case of "2016 year highway engineering test of asphalt penetration and softening point test", we use the mathematical statistical analysis of the ability standard variance and sample uniformity; find the correlation effects of test precision. By comparing the similar data released recently...

The expensive price and complicated structure of gyrocompass cannot satisfy the need of present education. this paper analyzed the structure and function of a new type gyro compass TG-8000/8500. In unity 3D engine, using virtual reality technology to develop this type of gyrocompass simulation system....

The study summarized primarily the necessity of constructing authoritative, unique and universal geo-spatial framework of digital city, and then introduced the general train of thought, progress, function and influence of the construction of digital city in our country. Subsequently, according to the...

For researchers, the retrieval needs on multi-source and heterogeneous academic data are increasingly urgent. However, the existing retrieval systems still have some shortcomings, such as expensive prices, poor integration, loss of information. In this paper, we present a general framework for designing...

The sensor is the foundation of agricultural IOT Technology, which is responsible for the networking information collection. So it is important for the enterprise to choose the suitable agricultural sensor, in order to solve this problem, this paper uses TODIM method for the sensor evaluation. In order...

This paper presents a new approach to solving the fuzzy stochastic multi attributes group decision-making (MAGDM) problem where the attributes values take 2-tuple linguistic form. First, a 2-tuple hybrid ordered weighted geometric (THOWG) operator is developed and all the individual preference values...

Ecological problem is the common challenge facing the world. Ecological problem naturally reflected the unequal relationship between man and man. Why the ecological problem defies solution is because of the commonality and integrity of ecosystem. So how can we solve ecological problems,it is crucial...

The cloud resource scheduling problem(CRS) is according to users' needs for service to pick out an appropriate resource, but restricted by the actual situation, it is needed to obtain several acceptable solutions for users to choose, the paper puts forward a kind of TOPSIS method based on hesitant fuzzy...