This system realizes the collection,transmission and data processing of earthquake wave signal by means of delta modulation,frequency-shifting keying,frequency-division multiplexing technologies.
英
美
- 采用增量调制、移频键控、频分复用等技术实现地震波信号的采集、传输和数据处理.;其电路结构简单;工作可靠;信噪比高;抗干扰能力强;测量精