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- This paper illustrates a method to de noise of radar weak signal. 通过建立尺度空间新内积、新范数的方法来构造新型小波变换 ;并且实现了用该系列小波变换对雷达弱信号去噪的目的 .
- In the application of transient signals de noise and data compress, the B spline wavelet is a better selection; 去噪、滤波和数据压缩方面 ,B系列小波具有更好的噪声抑制能力 ;
- Based on it,a method of speech denoising is proposed that the noise residual is subtracted from the noisy speech signal in the propo... 实验表明:上述方法在低信噪比时,仍能较好地保留语音信号的频谱结构,使音质不至于下降。
- This filter can effectively restrain background noise and acquire clear speech signal when applied in speech signal pick-up from the background with complex noise. 将此滤波器应用于复杂噪音背景的语音信号提取,能很好地抑制背景噪声,从而获得清晰的语音信号。
- This algorithm classifies the speech signal into noise,voiced and unvoiced sounds by using the phonetic classification.The simulation result proves its validity and robustness. 该算法结合了声学分类,对噪声、清音和浊音加以区分,最后给出了仿真结果,证明其稳健性和有效性。
- Speech enhancement is becoming an important branch of speech signal process,which mainly used in the noise reduction, the preprocess of the speech recognition system and LPC. 语音增强目前已发展成为语音信号数字处理的一个重要分支。
- Yinmarkerf development kit for the analysis and recognition of speech signal. 隐马尔科夫工具开发包,用于语音信号的分析和识别。
- This paper discusses some common issues in the applications of transient signal analysis, such as transient signal detection, de noise, data compression and locating. The mother wavelet option method is studied. 讨论了电力系统中常见的暂态信号分析应用 ,如电力暂态信号检测、去噪与数据压缩以及暂态信号定位等 ,对这些应用中小波基的选择原则进行了系统的分析研究。
- Nowadays the VAD is a hot spot in the speech signal processing field. 本论文研究复杂强背景噪声下的语音信号检测问题。
- Using covariation concept in array signal processing, the proposed algorithm can obtain clean speech signal subspace by eigen-decomposition of the covariation coefficient matrix of speech signal corrupted by impulsive noise. 该算法把阵列信号处理中的协变异应用到语音增强中,对带噪语音信号的协变异系数矩阵进行特征值分解得到纯净语音信号的子空间。
- By use of wavelet decomposition reconstruction algorithm, the vibration signal is de noised and the signal noise rate is improved, the loss is low. 利用小波分解重构算法 ,对振动测试信号进行去噪处理 ,改善测试信号的信噪比 ,减少信号损失。
- A simulation of speech signal with trunk noise passing through CSSB-AM satellite communication link was made, the resulted SNR could be used for reference in designing CSSB-AM communication systems. 对带有连接电路噪声的真实语音信号进行了模拟CSSB-AM卫星通信试验,所求得的终点信噪比对CSSB-AM系统设计具有一定的参考价值。
- In analytical chemistry,wavelet transform has been mainly utilized for signal smoothing,de noising and compression. 在分析化学领域中,小波分析也逐渐应用于去噪与平滑、数据压缩等方面。
- Firstly calculate the absolution of the source speech signal, then analyze the absoluted signal in the dyadic wavelet domain. 首先对原始语音信号取绝对值,然后对其进行小波变换,认为8阶小波变换绝对值的极大值点对应于原始语音的音素分段点。
- Simulation tests are made to verify that the partial features of the original signal can be reserved after de noising via this method. 为了验证该方法可以在去噪的同时有效的保留原信号的特征分量 ,进行了模拟故障试验。
- Almost all of the basic algorithm code in speech signal processing. Welcome to download. 详细说明:语音信号处理中的所有基本的算法的代码,很全的。欢迎大家下载使用
- Then an improved method, namely translation invariant de noising was proposed. 在此基础上 ,探讨了对传统的阈值方法的改进 ,即平移不变小波变换去噪法。
- According to the formant frequency of speech signal, the striations are existed in their spectrograms. 在办公室的环境里,存在冷气或电风扇运转的背景环境噪音;
- Missile acceleration dominates echo Doppler spectrum broadening, hereby a single/multiple target discrimination method using the super?resolution spectrum estimation after signal de?chirping is put forward. 导弹加速度对目标回波多普勒频谱展宽起主要作用,据此提出了去斜率后进行超分辨谱估计的单/多目标鉴别方法;
- Whereupon speech signals are adapted as if come from the training set. 在语音识别领域,与说话人无关(SI)的识别方法需要大量的训练数据。