At first, hardware circuit of the system has been designed, including minimum system of DSP, sampling pretreatment, dead zone formation, constant amplitude control and display circuit.
本文首先设计了系统的硬件电路，包括DSP的最小系统电路、采样预处理电路、输出信号死区形成电路、恒幅控制电路和显示电路。
The whole system's plane includes minimum system of DSP, FLASH storage, audio CODEC and USB communication, etc.
整个系统的硬件平台包括DSP核心模块、FLASH存储器、音频CODEC、USB通信等模块。
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