Self-loop Line是什么意思

用法例句

The important application of loop back in microwave overhaul;

自环在微波设备检修中的运用

Based on the actuality for development of HF communication and the advantage of VC and Matlab,HF Modem is designed with the idea of modularization,and HF Modem is simulated with VC and Matlab in the communication of loop back.

基于短波通信发展的现状,结合VC与Matlab在程序设计上的优势,利用模块化思想仿真实现了一种HF Modem,在自环的模式下用VC与Matlab结合进行了HF Modem仿真,其中,用VC仿真实现了HF Modem模块中的串口传输和RS编译码,用Matlab仿真了TDPSK调制解调。