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In this paper, we firstly use the method of extending the sea surface area to get the effective electromagnetic calculation results by software of Ship EDF. Then, we estimate the optimal sample size for the two-dimensional ocean wave simulation model based on the theory of statistics. Finally, we obtain the radio wave propagation characteristics on the sea surface in different sea states, different...
Recently, more neuroscience researches focus on the role of dendritic structure during the neural computation. Inspired by the specified topologies of numerous dendritic trees, we proposed a single neural model with a particular dendritic structure. The dendrites are composed of several branches, and these branches correspond to three distributions in coordinate, which are used to classify the training...
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...
Loading margin sensitivity (LMS) has been widely used in applications in the realm of voltage stability assessment and control. Typically, LMS is derived based on system equilibrium equations near bifurcation and therefore requires full detailed system model and significant computation effort. Availability of phasor measurement units (PMUs) due to the recent development of wide-area monitoring system...
Semantic feature extraction technique for human bodies is essential for some application, such as reverse engineering, mannequin dimensions extraction and parametric design of mannequins. This paper present a method on 2D orthographic projection to extract the semantic feature of 3D human model. Firstly, we get the human models orthographic projection and use a new intelligent contour tracking algorithm...
Turbidity currents are major agents of sediment transport on land, in lakes, seas and oceans. Especially, they dominate volumetrically the most significant clastic accumulations in the deep sea, and can become many of the world's most important hydrocarbon reservoirs. Recently, 6 boreholes in western Qiongdongnan Basin, South China Sea, have revealed turbidity current deposits as good reservoirs....
In this paper, we propose two novel schemes, which are based on our proposed novel fractional order memory polynomial pre-distorter, to conduct the digital base-band power amplifier pre-distortion with the improvement of power amplifier efficiency. For the first scheme, fractional order terms are included in the conventional memory polynomial containing the odd and even order polynomial terms. For...
The three-dimensional visual emulation system can be used as a training simulator for photoelectric theodolite, the system construction, the generation and show method of the 3D Scene in the virtual environment is presented in detail.
The behavior model of traditional temporal logic is closed and symmetrical, while the behavior model of aspect-oriented programs is open and asymmetrical. When the programmer designs the base-code, he is not sure what aspects will be woven to it. It is indirect and difficult to specify and verify the behavior of aspect-oriented programs by using traditional temporal logic. In this paper, we propose...
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