Electronic Ballast For Hid Lamps With High Frequency Square Waveform To Avoid Acoustic Resonances.
Mario PonceA. LópezJavier CorreaJaime Arau RoffielJosé Marcos Alonso AlvarezPublished in: J. Circuits Syst. Comput. (2004)
Keyphrases
- high frequency
- low frequency
- frequency band
- visual quality
- wavelet transform
- high resolution
- subband
- speech sounds
- low pass
- discrete wavelet transform
- energy saving
- high frequencies
- wavelet coefficients
- wavelet decomposition
- frequency domain
- multiresolution
- power supply
- wavelet domain
- high frequency components
- image processing
- filter bank
- phase shifting