“直接序列扩频”的概念、定义、翻译、参考文献-科学参考

单词	直接序列扩频
释义	直接序列扩频 Encyclopedia 工学扩展频谱技术释 direct sequence spread spectrum直接序列扩频用高速率的扩频序列在发射端扩展信号的频谱，而在接收端用相同的扩频码序列进行解扩，把展开的扩频信号还原成原来信号的扩展频谱技术。简称直扩。
随便看	risk profile risk rerception risk retention risk return tradeoff risk-return trade-off risk-return tradeoff risks associated with physical activity and exercise risk-sensitive stochastic control problem risks in tourism risk society Risks of Investment Program risk spreading risk subjects in flight test risk surveillance of food safety risk theory risk transfer risk transfer of resource development risk warning risky risky shift risk zoning of agrometeorological disasters RISM Risner R-isomorphism risorius

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