This paper deals with the problem of speech enhancement when a corrupted speech signal with an additive colored noise is the only information available for processing. Kalman filtering is known as an effective speech enhancement technique, in which speech signal is usually modeled as autoregressive (AR) process and represented in the state-space domain.
標(biāo)簽： speech with enhancement corrupted
上傳時(shí)間： 2015-09-07
上傳用戶(hù)：zhangyi99104144
This paper deals with the problem of speech enhancement when only a corrupted speech signal is available for processing. Kalman filtering is known as an effective speech enhancement technique, in which speech signal is usually modeled as autoregressive (AR) model and represented in the state-space domain.
標(biāo)簽： speech enhancement corrupted problem
上傳時(shí)間： 2013-12-20
上傳用戶(hù)：569342831
里面是幾個(gè)小波構(gòu)造的程序，Daubechies小波基的構(gòu)造，采用多孔trous算法(undecimated wavelet transform)實(shí)現(xiàn)小波變換 。
標(biāo)簽： 程序
上傳時(shí)間： 2013-12-14
上傳用戶(hù)：王慶才
Abstract：Noise frequency modulation(FM)jamming。which belongs to blanket jamming。is already become the main form ofnoise jamming at present。because the wideband was gained by it．Tne spectnlnl ofnoise FM jamming is analyzed by time domain autocorrelation method in this paper．It’S jamm g peculiarity and幾o(hù)ut— putting signal’S jamming peculiarity ale explained．At last，these time series models ofnoise FM jalllIIling sig— nal and幾o(hù)utputting signal ale built．
標(biāo)簽： jamming modulation frequency Abstract
上傳時(shí)間： 2015-10-17
上傳用戶(hù)：lijinchuan
The Joint Video Team (JVT) of ISO/IEC MPEG and ITU-T VCEG are finalising a new standard for the coding (compression) of natural video images. The new standard [1] will be known as H.264 and also MPEG-4 Part 10, “Advanced Video Coding”. This document describes the transform and quantization processes defined, or implied, by the standard.
標(biāo)簽： finalising standard Joint ITU-T
上傳時(shí)間： 2015-12-08
上傳用戶(hù)：hongmo
這是一個(gè)模擬第3類(lèi)模式地震波的matlab腳本。 This a collection of Matlab scripts that solve the antiplane (mode III) earthquake dynamic problem with slip-weakening friction, on a 1D fault embedded in a 2D homogeneous elastic unbounded medium. The problem is formulated as a boundary integral equation and the elastodynamic kernels are analytically derived in the spectral domain (spatial wavenumber). The method is explained e.g. by Morrysey and Geubelle (1997), and has been improved and extensively used by Nadia Lapusta, Alain Cochard, etc.
標(biāo)簽： collection antiplane scripts matlab
上傳時(shí)間： 2013-12-26
上傳用戶(hù)：遠(yuǎn)遠(yuǎn)ssad
IEEE Std 1180-1990. IEEE Standard Specifications for the Implementations of 8x8 Inverse Discrete Cosine Transform, specifies the numerical characteristics of the 8x8 inverse discrete cosine transform (IDCT) for use in visual telephony and similar applications where the 8x8 IDCT results are used in a reconstruction loop. The specifications ensure the compatibility between different implementations of the IDCT.
標(biāo)簽： IEEE Implementations Specifications Discrete
上傳時(shí)間： 2016-01-31
上傳用戶(hù)：guanliya
A new cable fault location method based on wavelet reconstruction is proposed. In this method the difference between the currents of faulty phase and sound phase under the high voltage pulse excitation is used as the measured signal and is decomposed in multi-scale by wavelet transform, then reconstructed in single scale. Comparing with traditional fault location method by travelling wave, the presented method will not be interfered by the reflected wave from the branch joint of cables or from other positions where the impedances are not matched and not be influenced by fault types, otherwise, the reflected waves can be recognized even the faulty position is near to the measuring terminal, at the same time, the influence of the wave speed uncertainty can be reduced. The correctness of the proposed method is proved by simulation results.
標(biāo)簽： method reconstruction location proposed
上傳時(shí)間： 2016-02-04
上傳用戶(hù)：maizezhen
幾種常用的壓縮算法 本程序包含以下功能： 1、 Arithmetic coding 2、 Huffman coding 3、 LZ77 coding 4、 LZ78 coding 5、 LZW 6、 RLE 7、 DCT 8、 Furie transform
標(biāo)簽： coding Arithmetic Huffman LZ
上傳時(shí)間： 2014-01-18
上傳用戶(hù)：caozhizhi
the attached utility is a work I ve submitted to the university It shows what a jpeg compression is all about. the function implements the DCT transform, using a matrix operator. note that matlab has a function for the DCT and iDCT transforms that might be more efficient.
標(biāo)簽： compression university the submitted
上傳時(shí)間： 2014-01-15
上傳用戶(hù)：Altman
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