本文提出一种新型中频差双频激光器——磁致旋光-塞曼双频激光器。
The dual-frequency laser as a light source takes a key element in the interferometer.
发送部分介绍了中频发送的差分编码、扩频、BPSK调制等技术；
The transmitter unit mainly consisted of differential encoding, spread spectrum and BPSK modulation and so on.
发送部分介绍了中频发送的差分编码、扩频、BPSK调制等技术；
The transmitter unit mainly consisted of differential encoding, spread spectrum and BPSK modulation and so on.
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