Mathematics category
Complex and Fourier calculators
Complex numbers, phase, frequency and transform relationships.
134 calculators in this category. Page 2 of 3.
134 calculators available. Search data loads only when you use this field.
Fourier Quadrature Mode Energy: solve cosine coefficient
Rearrange the fourier quadrature mode energy relationship and solve for cosine coefficient.
Open calculator Complex and FourierFourier Quadrature Mode Energy: solve sine coefficient
Rearrange the fourier quadrature mode energy relationship and solve for sine coefficient.
Open calculator Complex and FourierComplex Quadrature RMS
Calculate two-component rms from in-phase component and quadrature component.
Open calculator Complex and FourierComplex Quadrature RMS: solve in-phase component
Rearrange the complex quadrature rms relationship and solve for in-phase component.
Open calculator Complex and FourierComplex Quadrature RMS: solve quadrature component
Rearrange the complex quadrature rms relationship and solve for quadrature component.
Open calculator Complex and FourierSpatial Wavelength from Angular Wavenumber
Calculate wavelength from cycle-scale factor and angular wavenumber.
Open calculator Complex and FourierSpatial Wavelength from Angular Wavenumber: solve cycle-scale factor
Rearrange the spatial wavelength from angular wavenumber relationship and solve for cycle-scale factor.
Open calculator Complex and FourierSpatial Wavelength from Angular Wavenumber: solve angular wavenumber
Rearrange the spatial wavelength from angular wavenumber relationship and solve for angular wavenumber.
Open calculator Complex and FourierFFT Angular Bin Spacing
Calculate angular bin spacing from cycle-scale factor and transform length.
Open calculator Complex and FourierFFT Angular Bin Spacing: solve cycle-scale factor
Rearrange the fft angular bin spacing relationship and solve for cycle-scale factor.
Open calculator Complex and FourierFFT Angular Bin Spacing: solve transform length
Rearrange the fft angular bin spacing relationship and solve for transform length.
Open calculator Complex and FourierSampled Observation Window
Calculate observation duration from sample count and sampling interval.
Open calculator Complex and FourierSampled Observation Window: solve sample count
Rearrange the sampled observation window relationship and solve for sample count.
Open calculator Complex and FourierSampled Observation Window: solve sampling interval
Rearrange the sampled observation window relationship and solve for sampling interval.
Open calculator Complex and FourierSpectral Resolution from Window Duration
Calculate frequency resolution from window duration and cycle-scale factor.
Open calculator Complex and FourierSpectral Resolution from Window Duration: solve window duration
Rearrange the spectral resolution from window duration relationship and solve for window duration.
Open calculator Complex and FourierSpectral Resolution from Window Duration: solve cycle-scale factor
Rearrange the spectral resolution from window duration relationship and solve for cycle-scale factor.
Open calculator Complex and FourierHarmonic Frequency
Calculate harmonic frequency from harmonic number and fundamental frequency.
Open calculator Complex and FourierHarmonic Frequency: solve harmonic number
Rearrange the harmonic frequency relationship and solve for harmonic number.
Open calculator Complex and FourierHarmonic Frequency: solve fundamental frequency
Rearrange the harmonic frequency relationship and solve for fundamental frequency.
Open calculator Complex and FourierBeat Frequency Difference
Calculate beat frequency from higher component frequency and lower component frequency.
Open calculator Complex and FourierBeat Frequency Difference: solve higher component frequency
Rearrange the beat frequency difference relationship and solve for higher component frequency.
Open calculator Complex and FourierBeat Frequency Difference: solve lower component frequency
Rearrange the beat frequency difference relationship and solve for lower component frequency.
Open calculator Complex and FourierOctave Frequency Factor
Calculate total frequency ratio from frequency ratio per octave and octave interval.
Open calculator Complex and FourierOctave Frequency Factor: solve frequency ratio per octave
Rearrange the octave frequency factor relationship and solve for frequency ratio per octave.
Open calculator Complex and FourierOctave Frequency Factor: solve octave interval
Rearrange the octave frequency factor relationship and solve for octave interval.
Open calculator Complex and FourierReal Power Factor Ratio
Calculate power factor from real power and apparent power.
Open calculator Complex and FourierReal Power Factor Ratio: solve real power
Rearrange the real power factor ratio relationship and solve for real power.
Open calculator Complex and FourierReal Power Factor Ratio: solve apparent power
Rearrange the real power factor ratio relationship and solve for apparent power.
Open calculator Complex and FourierReactive-to-Apparent Power Ratio
Calculate reactive fraction from reactive power magnitude and apparent power.
Open calculator Complex and FourierReactive-to-Apparent Power Ratio: solve reactive power magnitude
Rearrange the reactive-to-apparent power ratio relationship and solve for reactive power magnitude.
Open calculator Complex and FourierReactive-to-Apparent Power Ratio: solve apparent power
Rearrange the reactive-to-apparent power ratio relationship and solve for apparent power.
Open calculator Complex and FourierSinusoidal RMS-to-Peak Scale
Calculate peak amplitude from rms amplitude and peak-to-rms factor.
Open calculator Complex and FourierSinusoidal RMS-to-Peak Scale: solve RMS amplitude
Rearrange the sinusoidal rms-to-peak scale relationship and solve for rms amplitude.
Open calculator Complex and FourierSinusoidal RMS-to-Peak Scale: solve peak-to-RMS factor
Rearrange the sinusoidal rms-to-peak scale relationship and solve for peak-to-rms factor.
Open calculator Complex and FourierPower Level Ratio in Decibels
Calculate power level in decibels from positive measured power and positive reference power.
Open calculator Complex and FourierPower Level Ratio in Decibels: solve positive measured power
Rearrange the power level ratio in decibels relationship and solve for positive measured power.
Open calculator Complex and FourierPower Level Ratio in Decibels: solve positive reference power
Rearrange the power level ratio in decibels relationship and solve for positive reference power.
Open calculator Complex and FourierAmplitude Level Ratio in Decibels
Calculate amplitude level in decibels from positive measured amplitude and positive reference amplitude.
Open calculator Complex and FourierAmplitude Level Ratio in Decibels: solve positive measured amplitude
Rearrange the amplitude level ratio in decibels relationship and solve for positive measured amplitude.
Open calculator Complex and FourierAmplitude Level Ratio in Decibels: solve positive reference amplitude
Rearrange the amplitude level ratio in decibels relationship and solve for positive reference amplitude.
Open calculator Complex and FourierAmplitude Ratio in Nepers
Calculate level in nepers from positive measured amplitude and positive reference amplitude.
Open calculator Complex and FourierAmplitude Ratio in Nepers: solve positive measured amplitude
Rearrange the amplitude ratio in nepers relationship and solve for positive measured amplitude.
Open calculator Complex and FourierAmplitude Ratio in Nepers: solve positive reference amplitude
Rearrange the amplitude ratio in nepers relationship and solve for positive reference amplitude.
Open calculator Complex and FourierSpectral Density from Bin Power
Calculate power spectral density from power contained in frequency bin and bin bandwidth.
Open calculator Complex and FourierSpectral Density from Bin Power: solve power contained in frequency bin
Rearrange the spectral density from bin power relationship and solve for power contained in frequency bin.
Open calculator Complex and FourierSpectral Density from Bin Power: solve bin bandwidth
Rearrange the spectral density from bin power relationship and solve for bin bandwidth.
Open calculator Complex and FourierGroup Velocity from Dispersion Slope
Calculate group velocity from angular-frequency change and angular-wavenumber change.
Open calculator