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ＡＰＣＭ Ａｄａｐｔｉｖｅ Ｐｕｌｓｅ Ｃｏｄｅ Ｍｏｄｕｌａｔｉｏｎ 自适应脉码调制 ＡＰＣＭ是在ＰＣＭ基础上，采用量化自适应，使均方量化误差最小的一种调制方法。ＡＰＤ Ａｖａｌａｎｃｈｅ Ｐｈｏｔｏ Ｄｉｏｄｅ 雪崩光电二极管ＡＰＤＵ Ａｐｐｌｉｃａｔｉｏｎ Ｐ
APCM Adaptive Pulse Code Modulation Adaptive Pulse Code Modulation APCM is a modulation method based on PCM that uses quantization adaptive to minimize the mean square quantization error. APD Avalanche Photo Diode Avalanche Photodiode APDU Application P