有线遥控是通过专用电缆或动力线作为载波体，对信号用调制解调器传输方式，达到只用少量通道即可实现控制的方法。

Wired remote control is a dedicated cable or power line as a carrier, the signal with modem transmission mode, to achieve a small number of channels can be used to control the method.

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接着介绍了遥控遥测常用的数字调制信号的软件调制解调的数学模型和实现方法。

Then, the paper introduces the math module and achieving method of software modulation and demodulation of common digital modulating signals used in telecontrol & telemetry system.

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主字母调制技术是一种新颖的调制方式，非常适合于导弹、运载火箭以及载人和不载人飞船的安全遥控。

High Alphabet modulation is a new modulation method, which is very suitable for safety remote control aboard missile, launch vehicle, manned or unmanned spacecraft, etc.

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