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2024年5月9日 · 当计算A的功率相比于B大或小多少个dB时，可按公式10 lg A/B计算。例如：A功率比B功率大一倍，那么10 lg A/B = 10 lg 2 = 3dB。也就是说，A的功率比B的功率大3dB；如 …

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2024年8月22日 · We will show several dB level charts that show sound effects at different decibel ranges (e.g. 0 – 140 dB and 0 – 180 dB). Let’s start with the lower decibel levels (up to 140 …

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