Weak pulse signal, sensitive, vulnerable to interference, in order to eliminate the noise pulse test, the isolation circuits and multiple filter circuit design.
脉搏信号微弱、敏感、易受干扰，因此为了消除脉搏测试中的各种噪声，设计了隔离电路和多重滤波电路。
For hardware design, RC filter, voltage sensitive resistor and photoelectric isolation method are used to eliminate interference signal in sampling channel and A/D channel.
在硬件方面，采用RC滤波器、压敏电阻、光电隔离等措施，消除了采样通道及A/D通道的干扰信号；
Meeting the needs of PLC signals isolation and reducing noise, network filter model has been designed. The experiment shows that it is effective in making sure that the communication is reliable.
适应家庭控制网络的需要，本文开发设计了网络阻波器，达到阻断载波信号、减少载波信号对电网污染的目的，保证了电力载波通信的可靠进行。
Meeting the needs of PLC signals isolation and reducing noise, network filter model has been designed. The experiment shows that it is effective in making sure that the communication is reliable.
适应家庭控制网络的需要，本文开发设计了网络阻波器，达到阻断载波信号、减少载波信号对电网污染的目的，保证了电力载波通信的可靠进行。
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