Similar words: frequency shift, frequency scanning, frequency scaling, frequency selection, frequency shift keying, frequency selectivity, frequency, infrequency.
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1. An effective denoising method on the frequency space is presented according to the characteristics of remote sensing images.
2. For the problem of image enhancement, an improved nonlinear extrapolation method in frequency space is proposed.
3. But the algorithm based on traditional FFT can cause range precision and velocity precision decreased, because of the inherent frequency space of FFT.
4. Wavelet package has better decomposition characters than wavelet, and can demarcate signal frequency space more effectively. Thus, it is used for eliminate periodic narrowband interference.http://sentencedict.com
5. Traditionally, doctors analyzed the signals by means of the conventional time space or frequency space approach on the presumption that signals are stationary.
6. The good localization characteristics of wavelet functions in both time and frequency space allow hierarchical multi-resolution learning of input-output data mapping .
7. The Short Time Fourier Transform (STFT) is utilized to estimate the power spectral density (PSD) of the tunneling-current signals and the data's feature vector was extracted in the frequency space.
8. Contrasted with the methods in time space domain, this one has high computation efficiency and is prone to image, because all its computation is in frequency space domain.
9. Theoretic analysis showed that the minimum jamming power could enter ST-FSK demodulator if frequency space were optimal.
10. By exploiting wavelet packet transform to analyze signals both in time and frequency space, this paper researches the statistic property of non-Gaussian stationary noise and its signal structure.
11. The traditional neural network correction has a good adaptivity to the noise. But with a stronger low frequency space noise, the correction effect is very poor.
12. The good localization characteristics of wavelet functions in both time and frequency space allowed hierarchical multi-resolution learning of input-output data mapping.
13. To use the frequency spectrum characteristics in texture classification of remotely sensed imagery, a texture classification algorithm based on minimum distance in frequency space is put forward.
14. The L F signals are transformed by entropy based on wavelet packet algorithms for best basis selection, and the results are displayed in time- frequency space namely phase plane.
More similar words: frequency shift, frequency scanning, frequency scaling, frequency selection, frequency shift keying, frequency selectivity, frequency, infrequency, low-frequency, low frequency, frequency band, high frequency, beat frequency, main frequency, high-frequency, line frequency, frequency difference, difference frequency, frequency table, voice frequency, frequency chart, video frequency, frequency curve, audio frequency, frequency ratio, cutoff frequency, eigenfrequency, frequency range, radio frequency, clock frequency.