Yang Zhi-guo

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This paper firstly analyzes the difference between high-frequency synthetic aperture radar (SAR) and low-frequency ultra-wide band synthetic aperture radar (UWB SAR) in extraction of multiresolution feature. And then we establish the equivalent models of target and trunk clutter in UWB SAR images and analyze the differences of multiresolution characteristic(More)
It is difficult for UWB SAR target detection because of a lot of impulsive or spiky clutter caused by strong trunks. A novel prescreening method based on adaptive nonlinear filters is proposed in this paper, which filters the unwanted impulsive or spiky noise to decrease the False Alarm Rate (FAR) in Constant False Alarm Rate (CFAR) detection. The results(More)
Introduced some of the results of the application of flat dilatometer test (DMT) to evaluation in the loess foundation. Under the flat dilatometer test results, the soil type classification, weight density, constrained modulus, the bearing power of ground estimated, and compared with the results of laboratory test and other in situ tests, and analyzed the(More)
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