The hardware of receiving and transmitting unit in the acoustic head contain the analog receiver and digital signal processing card.
声头内收发单元的硬件主要包括模拟接收机和数字信号处理机以及功放机。
Microcomputer executes the instruction from the host, controls the radio receiver unit and deals with the signal from the velocity test unit.
单片机执行主机控制指令，控制无线接收单元，处理速度检测单元信号。
The signal processing unit of Hardware receiver is implemented by the dedicated chips, it is difficult to change the corresponding parameters or new algorithms because of the fixed designs on chips.
硬件接收机的信号处理由芯片在内部定制实现，由于芯片定型用户很难改变相应的参数或更换新的算法。
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