无线电杂志纪念版耳机放大器电路，用Protel99se绘制，含电路图。试听效果出色。-Radio Magazine Commemorative Edition headphone amplifier circuit, with Protel99se draw, including circuit diagrams. Excellent audition results.

经过无线电接收机所采集的IQ 数据经过本程序的解析，可得到音频数据。-Through radio receiver IQ data collected through the program parsing, audio data can be obtained.