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【简答题】
在习题8.8图所示的锁相频率合成器中，已知fL=40MHz，fs=10MHz，要求输出频率的频率间隔为0.1MHz，输出频率fo=70~99.9MHz，求fr、m和n的值。
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参考解析：
刷刷题刷刷变学霸
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完成各种信号的记录和播放任务
B.
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完成许多处理工作，如压缩和解压缩、改变采样频率、解释MIDI指令等
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将不同途径，如话筒或线路输入、CD输入的声音信号进行混合