[KongchangAI]
Unverified88% confidenceFactTime unknown

QRD二次余数扩散板的有效扩散频率下限由最深槽深决定:f_low≈c/(2×最大槽深),槽深10cm约对应1700Hz以上,要覆盖到500Hz需槽深达30cm以上,普通薄款QRD只对高频有效

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88%
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