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针对地球物理学基础物性测试实验工作中拥有自主知识产权实验用仪器发展缓慢,实验用仪器型号少的现状,利用复杂可编程逻辑器件(CPLD)为波形产生单元、ARM处理器为仪器主控单元设计了步长为对数等间距,频点间以2/3倍频点进行加密、带宽为0.001~1 000 Hz、可选多档恒流输出的频率域岩矿石电性实验序列信号发送机.室内实验与模拟器件实验表明:该信号源输出电流恒定、波形频率准确,可用于实际实验工作.
For the basic physical testing of geophysical experiments with independent intellectual property rights of experimental instruments to develop slowly, the experimental instrument model less the status quo, the use of complex programmable logic device (CPLD) for the waveform generation unit, ARM processor for the main control unit Design the steps of logarithmically equal spacing, between the frequency points to 2/3 octave encryption, the bandwidth of 0.001 ~ 1 000 Hz, optional multi-speed constant current output frequency domain rock electrical experimental sequence signal transmitter Experiments in laboratory and simulator show that the output current of the signal source is constant and the waveform frequency is accurate, which can be used in practical experiments.