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In this paper, it is discussed the problem of electromagnetic compatibility after the installation of rescue system which broaden the usage of modern helicopter and it is proposed some technical measures to improve the electromagnetic compatibility. It is presented a deep research on the performance of the search and rescue helicopters' electromagnetic compatibility evaluation workflow including the...
In this paper, a EM simulation modeling method for the two dimensional time varying sea surface microwave propagation is proposed. It is not only the electromagnetic simulation model, but also is a statistical analysis model of rough sea surface channel. Firstly, PM spectrum, Fourier transformation and Creamer transformation are adoped together to build typical linear and nonlinear sea surface models...
Technology of modern communication and channel estimation cannot be separated from the research on electromagnetic problems of the sea surface. Considering the cost and other factors, the electromagnetic simulation method is a very valuable research project. FDTD method can be applied to various electromagnetic problems very well, but when dealing with electrically large problems, there will be a...
In order to overcome the application shortcomings of the membership function in traditional AHP-fuzzy comprehensive evaluation method under multi-levels evaluation, this paper presents a new assessment method which is based on the curve characteristics of equipment performance degradation. Depending on the actual descent of the device performance when disturbed, the level of assess and the transition...
Accurate location system using electromagnetic sensors is one of the effective solutions being used in indoor position applications. Non-linearity of data have important influence on accuracy of location system. We proposed the mapping algorithm that calibrates data received by EM sensors and realized high accuracy around 1cm. In order to quantify performance of mapping algorithm to real time EM recorded...
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