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Accurate and instant information about changes of snow and glaciers covered areas plays a vital role in hydrological and climatological research and implications. Among all the observation methods, spaceborne remote sensing has a great advantage in monitoring the glaciers located in cold high-altitude regions and inaccessible areas on a large scale. Unlike optical sensors, the synthetic aperture radar...
In this study, the Soil and Water Assessment Tool (SWAT) model was applied to simulate pollutant load of the TP and TN of Dongting Lake basin, considering point source and non-point source pollution. Comparison verification was made between water quality monitoring data from Shahekou, Hanshoupotou and Zhangshugang water monitoring stations and simulated results. Three assessment indicators, Re, R2,...
In order to overcome the existing FlexRay bus test equipments' shortcomings, such as complex software and hardware, hard to extend the functionality and so on, a new FlexRay bus data acquisition and calibration system which is based on the high-speed and flexible USB interface is designed in this paper. Details the system's architecture, the hardware and software implementations. Finally uses the...
This paper discusses the work principle, damage mechanism and monitoring factors of high-pile wharf; then based on the structural health monitoring project of Chun Xian wharf, introduces the monitoring poles deployment of inclinometer, analyzes the dynamic data from continuous monitoring, figures the displacement-depth curve of each monitoring pole to present the real-time displacement status of soil...
According to the structure of thermal power plant unit, and combining the dynamic relationship between the various parameters, a parameter estimation technique in vacuum state for mathematical model of the boiler-turbine units is proposed, which based on the modern control theory and previous research results. At the same time we try to give an analysis method of the mathematical model with equilibrium...
Introduced a CAN bus data acquisition and calibration system, which is based on USB interface. The system integrates applications of the CAN bus and USB bus, two kinds of means of communication. It has the advantages of specific CAN Bus and USB communication such as long-distance, high-performance communications and flexible connectivity, high reliability, and can be applied to many occasions of the...
A new type insulation resistance on-line monitor has been designed for hybrid electric vehicle (HEV). It is mainly composed of a proportional circuit and data sampling, processing module. The device detects insulation resistance by sampling DC bus voltage and voltage between positive line and chassis. The voltages sample is controlled by electronically controlled unit (ECU). These voltages are isolated...
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