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  • 最終更新日:3か月以内
  • 2024/5/10 -pH、〜等星、マグニチュードデシベルとか、対数は意外と身近なところにある.

    2024/6/17 -db(k) is the magnitude of repf(k) expressed in dB i.e. db(k)=20*log(abs(repf(k)))/log(10) and phi(k) is the phase of repf(k) expressed in degrees. See ...

    5日前 -This list contains selected positive numbers in increasing order, including counts of things, dimensionless quantities and probabilities.

    2024/5/23 -The magnitude of axial ratio in decibel units for various chemical potential of the graphene. Source publication. Schematic of the meta-surface (a) ...

    2024/4/6 -Understanding the decibels (dB) calculation is essential in electronics to express the magnitude of voltage gains. Decibels provide a logarithmic way to ...

    2024/4/16 -Hey all, I'm new to this and I was just wondering why I'm seeing people say to normalize to -3 db. On that note, why is it negative db instead of just db?

    A.単位時間あたりに音源が放射した空気中の音響エネルギーの総量を音響パワーLwとして表すことができます。 Lw=10log(W/Wo) dB Wo=1pW 基準は、完全な自由音場、伝搬面積が1m2の距離

    A.はい。少なくともデシベルではダメです。 「S波」「P波」「音」など、エネルギー量の異なる波が複数同時に発生するため、話がややこしくなるばかりでなんのいいこともありません。 あと、マグニチュードは「

    2024/5/10 -By trial and error I had discovered that the magnitude (in dB) and phase (in degrees) can be simultaneously obtained by eliminating any prefix to V(out).

    2024/6/23 -Thus the magnitude plot of a frequency response function expressible as a product of more than one term can be obtained by adding the individual dB ...

    2024/4/5 -EVM (dB) (MB-OFDM). Menu Path: Trace > Data > Composite > Band Errs. EVM Error vector magnitude (EVM): A quality metric in digital communication systems. See ...

    4日前 -Question: ONLY THE LAST QUESTION PLEASE ILLUSTRATE IT> What is the magnitude (dB) at 100kHz of the filter? ... > What is the magnitude ( d B ) at 1 0 0 k H z ...