Response Identification in the Extremely Low Frequency Region of an Electret Condenser Microphone.
Yih-Nen JengTzung-Ming YangShang-Yin LeePublished in: Sensors (2011)
Keyphrases
- low frequency
- high frequency
- frequency domain
- wavelet transform
- subband
- discrete wavelet transform
- wavelet coefficients
- original images
- electromagnetic fields
- frequency band
- wavelet analysis
- low pass
- multiresolution
- visual information
- high resolution
- region of interest
- dct coefficients
- filter bank
- low and high frequency