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读电路 (一)概述数字磁记录装置的读出过程就是纪录信息的磁性载体经过读出磁头产生电脉冲信号。由于读出过程是弱磁场作用于读出线圈,故有人,把这一过程作为线性系统处理。利用互易原理(Reciprocity principle)及迭加原理(Superposition principle)研究出了记录磁场的静态分布与读出电压波形
Reading circuit (A) Overview Digital magnetic recording device is the reading process of magnetic information carrier to read the magnetic carrier to generate electrical pulse signal. Since the reading process is a weak magnetic field acting on the readout coil, some people regard this process as a linear system. Using the Reciprocity principle and the Superposition principle, the static distribution of the recording magnetic field and the read-out voltage waveform