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BG8AAS:漂亮哈,没想到8ht还有这雅兴,在DSP里头就几个FIR啊[表情] (2014-03-01 00:00)
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BD5UYW:除非开个专用DSP,要不功耗吃不消。目前硬件滤波还是有优势,特别对使用电池的设备。 (2014-03-01 16:11)
BG8AAS:动态范围方面优势更明显。随便一个晶体滤波器就130dB动态区间,要用数字方式来搞,难度了还真不小。只不过对多数通信机,有60dB都够了(别的可以调衰减器来弥补),除非打比赛用的变态级机 .. (2014-03-01 21:40)
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BG7JNS:太漂亮了什么仪器测试? (2014-03-02 19:07)
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bg8ht:网分,E5062A (2014-03-03 20:53)