1 方案论证与比较.....................................................................................................................................3
1.1 采样方法比较与选择.....................................................................................................................3
1.2 处理器的比较与选择.....................................................................................................................3
1.3 周期性判别与测量方法比较与选择.............................................................................................3
2 系统设计.................................................................................................................................................4
2.1 总体设计.........................................................................................................................................4
2.2 单元电路设计.................................................................................................................................5
2.2.1
前级阻抗匹配和放大电路设计
..............................................................................................5
2.2.2 AD
转换及控制模块电路设计
................................................................................................6
2.2.3
功率谱测量
..............................................................................................................................6
3 软件设计.................................................................................................................................................7
4 系统测试.................................................................................................................................................8
4.1 总功率测量（室温条件下）.........................................................................................................8
4.2 单个频率分量测量（室温条件下）.............................................................................................8
5 结论.........................................................................................................................................................9
参考文献：................................................................................................................................................9
附录：......................................................................................................................................................10
附 1：元器件明细表：.......................................................................................................................10
附 2：仪器设备清单...........................................................................................................................10
附 3：电路图图纸...............................................................................................................................11
附 4：程序清单...................................................................................................................................12
