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The existing study and application of Prolate Spheroidal Wave Function (PSWF) primarily around the characteristics of PSWF in a single energy domain, the characteristics of PSWF in two-dimensional time-frequency energy domain have not been mining and using, from the perspective of signal time-frequency distribution, Wigner-Ville Distribution with higher time-frequency resolution was introduced to...
A new criterion is proposed in this paper which employs the grayscale erosion to measure the concentration of different time-frequency representations/distributions. In contrast to some widely used Concentration Measures proposed by L. Stankovic and L. Jones, this method combines the both width and peakedness information of the auto-term area. Moreover, it can be used in the multi-component signal...
Radar signal simulation technology plays an important role in the development, performance and evaluation testing stage of modern radar systems. This paper focuses on the design principles and hardware components of a wideband radar signal simulator based on high-speed DDS technology and Compact PCI bus. The result of joint commissioning between computer software and hardware system shows that this...
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