Multi-frequency uniformization carrier slope random distribution pulse width modulation method
A pulse width modulation, random distribution technology, applied in pulse generation with predetermined statistical distribution of parameters, output power conversion device, conversion of AC power input to DC power output, etc., to reduce electromagnetic interference, expand distribution range, reduce Effects of mechanical vibration and noise
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[0030] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0031] The present invention is a multi-frequency multiplier homogenization carrier slope random distribution pulse width modulation method, which can increase the carrier frequency equivalently by carrier phase-shifting pulse width modulation, and at the same time, combine the carrier slope random distribution pulse width modulation technology to disperse the carrier and its surrounding frequency multiplication Harmonic peak value, that is: use multi-octave homogenization carrier slope random distribution pulse width modulation method to increase the equivalent bandwidth of symmetrically distributed harmonics centered on each multiple carrier frequency, to achieve uniform distribution of harmonics in the frequency domain the goal of.
[0032] When using the multi-frequency multiplier homogenization carrier slope random distribution p...
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