wavelet造句
1. It uses a Wavelet algorithm for video compression and provides compact disk quality audio and broadcast quality video.
2. The phase information of wavelet transform used in the algorithm is invariant with respect to flat fading, and can resist multipath fading of frequency-selecting channel in quite a few degree.
3. On the basis of integrating the wavelet de-noising, the theory of phase space reconstruction and LSSVM, a modeling and forecasting technique is put forward.
4. Face recognition process is the use of wavelet methods, we believe that useful.
5. Based on two-dimensional tensor product B-spline wavelet on the interval(BSWI), a class of flat shell elements was constructed with good performance.
6. A quadratic phase factor and DOG wavelet transform function are introduced into traditional matched filter to sharpen correlation peak, which is fabricated by computer generated hologram.
7. Hence approximated sampling theorem in the wavelet packets space is obtained.
8. Wavelet transform is a nee signal and image processing tool developed in recent years.
9. Furthermore, the fractal theory, geostatistics and wavelet method are already used to study the scaling transformation.
10. The wavelet coefficients are selected by Human Visual System ( HVS ) to ensure the transparence of watermarking.
11. In this experiments, continuous and discrete wavelet transforms are applied.
12. In this paper, the wavelet transformations application in rock test signal analysis is studied.
13. The result prove that wavelet envelope spectrum method is able to detect rolling bearing fault efficiently, and it is a valid methods of incipient failure detection.
14. Then, the watermarks are embedded into the wavelet coefficients by using the improved binary operation methods.
15. The successful application of the wavelet analysis in edge detector, image fusion, image decomposition is emphasized.
16. First, the wavelet coefficients of basic frequency are extracted to identify the short duration disturbance like voltage sag, swell and interruption.
17. The PRI transfer algorithm and wavelet transfer algorithm is analysed firstly, then a method of radar signal sorting is proposed in this paper based on the advantages of the two algorithms.
18. Based on the wavelet transformation and the theory of modal acoustic emission, the dispersion of guided wave propagated in thin plate was investigated by acoustic emission experiment.
19. This article tree complex wavelet transformation to the core image denoising, and good effect is obtained.
20. The paper analyzes the wavelet resolving principle and image encoding technique and puts forward the adoption of Huffman-encoding on low-frequency of wavelet transformation.
21. In this paper, a kind of wavelet packet division multiplexing(WPDM) is introduced, and its probability of error due to the effect of Rayleigh Fading is derived.
22. Compared with traditional image coder, the Wavelet image coder can compress image effectively and produce easily the embedded bit stream.
23. In this paper an adaptive thresholding method based on wavelet is proposed.
24. We enhance the edge of images, segment the area of image, process image mainly in MATLAB in the frequency, try a Fourier transform processing and wavelet transform processing.
25. Using the cascade algorithm, the discrete approximation sequences of wavelet packet basis functions are computed.
26. Furthermore, general methods and procedure for economic time series forecasting models are proposed based on continuous parameter wavelet networks, which are used in forecast simulation of the tim.
27. An approach of the pitch detection for obtaining speech tone of Chinese trisyllabic words on the basis of the wavelet transforms is proposed .
28. The existing methods of extracting IRF, i. e. time domain method, frequency domain method and wavelet method are analyzed.
29. The transform filter bank is the development of sub band splitting and wavelet decomposition and composition.
30. A method of fault circuit selection selection based on wavelet transform is employed for single phase to ground fault in ineffectively grounded systems.
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