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With the constant development of science and technology, the method of small target tracking is widely used in military and civilian fields. But in the tracking process, the small target image is affected by the small proportion of pixels. Especially in conditions of low contrast, the tracking process is easy to appear the error tracking or the loss of target. For improving the motion small target...
The Giant Magneto-Impedance (GMI) sensors based on GMI effect of sensitive material is one of the hot spots in the field of magnetic sensors. This kind of sensors has a very superior performance, in terms of sensitivity, response speed, stability, volume, power consumption and so on, GMI sensors has obvious advantages, and has a wide range of research value and development prospects. Through summarizing...
Deep neural networks(DNN) is an important method for machine learning, which has been widely used in many fields. Compared with the shallow neural networks(NN), DNN has better feature expression and the ability to fit the complex mapping. In this paper, we first introduce the background of the development of the DNN, and then introduce several typical DNN model, including deep belief networks(DBN),...
In order to adapt to the high measurement precision and wide range in the field of target detecting in military, an improved signal processing circuit is proposed. To keep the secondary information of GMI (giant magneto-impedance) sensor's output signals, a two-order frequency mixing circuit is introduced, so except fundamental frequency features, the secondary frequency features and the wavelet coefficient...
In order to combine the theory and practice of support vector machine (SVM) in the field of fault diagnosis, a novel universal experimental system for digital circuitspsila fault diagnosis is designed for the application study of SVM. The circuit is simulated in FPGA and its input and output pins are assigned to the DO and DI channels automatically by matrix switch. The faults and test points can...
In order to set the weights of weighted support vector machine, the method that based the clustering vector was proposed in this paper. The clustering vector was brought in and the weights were set by calculating the distances between the data of every class and their clustering vector. In SVM, the data were mapped into a higher dimensional feature space and the distribution of data was changed, so...
The Golay code is a type of the irnprimitive BCH code. The (23, 12, 7) Golay code is a unique perfect linear error-correcting code that can correct all patterns of three or fewer errors in 23 bit positions. This paper designed the Golay decoder based on C++ Builder. It can encode , correct the error bits of transmission and decode . This paper put forward a new algorithm which can calculate all error...
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