Pseudo-Random High-Frequency Square-Wave Voltage Injection Based Sensorless Control of IPMSM Drives for Audible Noise Reduction.
Gaolin WangLei YangBihe YuanBowen WangGuoqiang ZhangDianguo XuPublished in: IEEE Trans. Ind. Electron. (2016)
Keyphrases
- high frequency
- noise reduction
- noisy environments
- pseudorandom
- low frequency
- edge preserving
- signal to noise ratio
- power supply
- edge detection
- visual quality
- speckle noise
- noise level
- wavelet coefficients
- high resolution
- uniformly distributed
- median filter
- wavelet transform
- control system
- wiener filter
- subband
- control strategy
- discrete wavelet transform
- low pass
- high frequency components
- noisy images
- image data
- image processing
- secret key
- image denoising
- gray scale
- multiresolution
- computer vision