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Binary Frequency Shift Keying for Continuous Waveform Radar

机译:连续波形雷达的二进制频移键控

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摘要

A new binary frequency-shift keying (BFSK) waveform is suggested for continuous wave radar. It provides ideal periodic autocorrelation (PAC) when processed by a matched filter, and perfect periodic cross-correlation (PCC) when processed by a mismatched filter. Ideal PAC implies a uniform sidelobe level, whose ratio to the PAC peak is equal to the inverse of the code length. Perfect PCC implies zero sidelobes. BFSK is relatively spectrum efficient. Design details and processing issues are discussed.
机译:针对连续波雷达,提出了一种新的二进制频移键控(BFSK)波形。当由匹配滤波器处理时,它提供了理想的周期性自相关(PAC),而由不匹配滤波器处理时,则提供了理想的周期互相关(PCC)。理想的PAC表示均匀的旁瓣电平,其与PAC峰值之比等于代码长度的倒数。完美的PCC意味着零旁瓣。 BFSK具有相对较高的频谱效率。讨论了设计细节和处理问题。

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