Convert 100 mW to dBm: P(dBm) = 10 · log10(100mW / 1mW) = 20 dBm W to dBW Conversion The decibel-watt or dBW isthe power ratio in decibels (dB) of the measured power referenced to one Watt (W).: P(dBW) = 10 · log10(P(W)/1W) Example: Convert 10 W to dBW: P(dBW...
Convert 100 mW to dBm: P(dBm) = 10 · log10(100mW / 1mW) = 20 dBm W to dBW Conversion The decibel-watt or dBW isthe power ratio in decibels (dB) of the measured power referenced to one Watt (W).: P(dBW) = 10 · log10(P(W)/1W) Example: Convert 10 W to dBW: P(dBW...
CONVERT 函数可将数字从一个度量系统转换成另一个度量系统中的相应值。 CONVERT(待转换数字, 转换前单位, 转换后单位) 待转换数字: 要转换的数字值。 转换前单位: 字符串值,表示要转换数字的当前单位。 它必须是下表中指定的常数之一。 转换后单位: 字符串值,表示要转换数字的新单位。 它必须是下表中指定的...
If your goal is to have your final output units in dBm, you will need to convert the immediate FFT output to power units. Then perform the conversion to dB in code.For example, in the NI-SCOPE driver API, the FFT Amp Spectrum (dB) function outputs an array of decibel values that ...
POWER PRODUCT QUOTIENT RAND RANDBETWEEN ROMAN ROUND ROUNDDOWN ROUNDUP SERIESSUM SIGN SQRT SQRTPI SUBTOTAL SUM SUMIF SUMIFS SUMPRODUCT SUMSQ SUMX2MY2 SUMX2PY2 SUMXMY2 TRUNC 引用函数 ADDRESS AREAS CHOOSE COLUMN COLUMNS FORMULATEXT GETPIVOTDATA
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dBm is a power ratio relative to 1mW, dBu and dBV are voltage ratios, relative to 0.775V and 1V, respectively. To use this calculator enter your application data in the section provided, then enter the quantity you wish to convert in the appropriate form element. Tabbing to another field,...
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A deci (1/10) of a Bel is a dB, but the equation for dB = 10 * Log (Po/Pi) where Po is power out and Pi is power in. Since the Log (base 10) math function is to extract the exponent, a decibel uses the Log math function to find the exponent and that is ...
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