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In order to carry out high speed and effective digital image processing, the use of FPGA is a relatively reasonable choice due to the large amount of data in digital image. Thus we need a careful simulation test to verify the correctness of the VHDL code to achieve the corresponding algorithm. It is difficult to achieve the digital image processing algorithm simulation if we rely on the traditional...
Controlling a boost converter having a right-half-plane zero in its transfer function as compared to a buck converter is a difficult task to accomplish. This paper suggests the optimization of the traditional proportional-integral-derivative (PID) control algorithms for the boost converter through the unconstrained nonlinear optimization technique. This reduces the labor for finding out the well-tuned...
This paper deals with a new adaption technique for general simulator of using vectorization. This approach is more time effective in comparing with the standard method. In the article, the simulation process of the RDA is analyzed and describes which is widely used for Synthetic Aperture Radar (SAR) imaging techniques. The simulation algorithm uses vectorization which satisfies algorithm performance...
Digital watermarking is a hot research field both domestically and internationally. This paper gives a kind of DCT algorithm, and the code of embedding, extraction and attack based on Matlab. Then make the simulation experiments. The experiments prove Matlab is an efficient tool, it can give visual result and the algorithm is toughness and robustness.
Solar Photovoltaic (PV) power keeps changing with solar insolation(S) and ambient temperature (T) because PV cell exhibits non-linear current-voltage characteristic. So the Maximum Power Point (MPP) varies with the changing S and T. However with the advancement of power electronics converter technology, it is now possible to operate the PV power at its MPP in order to improve the overall efficiency...
In the industrial control area, WinCC is widely applied in industrial production process of real-time monitoring control and has become one of the important configuration software. But it is still unable to realize complex control algorithm with shortage of programming language. While Mat lab can deal with large amounts of data with high efficiency with its toolbox and Simulink simulation environment,...
Wireless Sensor Network as an important technology of Internet of things' development, is more and more widely used in various research fields. This paper mainly researches the part of localization application based on wireless sensor network, focuses on DV-Hop localization algorithm, and gives its algorithm simulation and analysis of the simulation results. Also this paper improves the algorithm...
Recognition of network boundaries in wireless sensor network (WSN) applications is crucial from two reasons. First, a knowledge of boundary nodes can help to increase a security performance of sensor network. And second it can significantly contributes to the energy conservation of inner nodes that can be switched into the sleeping modes during no activity is presented on the network boundaries. Furthermore,...
To design a GPS/DR integrated vehicle navigation system, after analyzing individual characters of navigation and positioning system of GPS and DR, a kind of extended kalman filter algorithm has been designed. By this algorithm, the positioning data of GPS/DR has been processed and the simulation experiment has been done. It is proved practical. The GPS/DR integrated vehicle navigation system has been...
According to the bad control effect of PID in parameters adjusting in time-delay system, DMC prediction control is applied to time-delay system, and then this method is simulated in MATLAB. Simulation example illustrates that robustness and anti-interference are better by DMC prediction control than PID. Not only the regulation velocity is faster, but also the method of parameter adjusting is simpler...
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