ampli-principal 主放大器
amplifier-filter ampli-filter 放大滤波器
audio-frequency push-pull ampli-fier 推挽式声频放大器
quadrature ampli-tude modulation and demodulation 正交幅度调制解调
This Paper introduces a drag measurement system, which consists of transducer, ampli-filer, micro-printer and automatic running circuit of data collection. The core of system is single-chip 8031.
介绍了以8031单片机为控制核心，由传感器、放大器、微型打印机及数据采集自动启动电路构成的阻力测量系统。
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