求翻译：2)防止电磁波能量沿传输线的反射影响信号输出的稳定性，加入了隔离器，使电路更安全，也起了屏蔽干扰的作用。(3)利用DSP编程实现对频率和相位的控制，可产生多种相位可程控的频率。是什么意思？

2) to prevent the electromagnetic wave energy along the transmission line reflections affect the stability of the output signal, adding the isolator, the circuit is more secure, but also played a role in shielding interference. (3) the use of DSP programming on the frequency and phase control, can p

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2) prevented the electromagnetic wave energy along the transmission line reflection influence signal output stability, has joined the disconnector, causes the electric circuit to be safer, also played the shield disturbance role.(3) uses the DSP programming realization to the frequency and the phase

2) prevent reflection of electromagnetic wave energy along the transmission line signal output stability, has joined the isolator, make the circuit safer, shielding interference also plays a role. (3) use of DSP programming on the frequency and phase control, can produce a variety of phase-programma

2)Prevent the electromagnetic wave energy from influencing the stability that the signal outputs along transmitting the reflection of the line, put into the isolator, make the circuit safer, has played a role in shielding the interference too. (3)Make use of DSP programming to realize the control on