直接序列调制（Direct-Sequence Modulation）技术是将信号的能量平均分布于整个频带内，并通过伪随机序列将数据流倍加来使信号得以扩频，此序列具有数倍于所传信号二进制数据...
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direct sequence spread spectrum modulation 直接序列扩频调制
direct sequence pulse amplitude modulation 直接序列脉冲幅度调制
A communicator USES BPSK direct - sequence (DS) spreading modulation and BPSK data modulation.
一个传达者使用BPSK指导序列(DS)传播调制和BPSK数据调制。
It was introduced that the hardware structure and working principle of ASIC Z87200 of direct-sequence digital-pulse modulation and demodulation, which was produced by ZLOG TELECOM.
介绍了ZLOG电信公司生产的Z872 0 0直接系列数字脉冲调制解调芯片的硬件结构及其工作原理。
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