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A SIMPLIFIED DIGITAL FIR FILTER FOR DIRECT SEQUENCE SPREAD SPECTRUM COMMUNICATION SYSTEMS
A SIMPLIFIED DIGITAL FIR FILTER FOR DIRECT SEQUENCE SPREAD SPECTRUM COMMUNICATION SYSTEMS
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机译:直接序列扩频频谱通信系统的简化数字FIR滤波器
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摘要
A spread spectrum modulated signal generator is disclosed that reduces the storage requirement for storing values representing filter responses of input signal samples in a digital filter by taking advantage of time-reversal symmetry of the responses. Moreover, the disclosed signal generator supports up-ramping and down-ramping for smooth transmission of spread spectrum modulated signals.
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