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扩频系统中性能最好的是直接序列扩频的先解扩后解调方式。
Direct sequence spread spectrum (DSSS) and despreading first structure is most advantageous of all kinds of spread spectrum techniques.
提出在传统的择大判决法的基础上，用多码元累加方法对中频采样信号直接进行同时解扩解调。
A new algorithm based on the traditional maximum-selection method is proposed. This method despreads and demodulates the IF sampled signal simultaneously by multi -symbol accumulation.
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