专利名称：Frequency diversity for image enhancement 发明人：Frederic L. Lizzi,Marek Elbaum,Ernest J.
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世界最矮女性申请号：US06/494633除此之外
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申请日：19830516
公开号：US04561019A
公开日：lion是什么意思
parately
taber
19851224
专利内容由知识产权出版社提供
陈太丘与友期翻译
摘要：Methods for improving the availability of information derived from signals received from an object irradiated with coherent puls of any form of radiation that exhibits a wave nature are disclod. A method for reducing speckle derives parate component noncoherent signals from the received signals, and combines the parate noncoherent signals to form improved composite noncoherent signals. Weighting and processing of component signals can be applied as a function of time, frequency, and signal amplitude to optimize speckle reduction in all or a critical part of the signal by compensating for the range and frequency dependence of attenuation and the frequency dependence of scattering phenomena. In a method for enhancing resolution, parate component coherent signals are derived from the received signals, weighted and procesd, and combined to form improved composite coherent signals; then noncoherent signals are derived from the improved composite coherent signals. In both methods, signals can be procesd either in the analog or digital domains or in hybrid analog/digital domains. The apparatus for performing each method also is disclod.
申请人：RIVERSIDE RESEARCH INSTITUTE
代理机构：Brumbaugh, Graves, Donohue & Raymondsoutheast
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