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- When the strong tone interference exists in the Direct Sequence Spread Spec-trum(DSSS) system, the traditional linear prediction filter performs poorly. 在很强的单音干扰存在时,传统的线性预测滤波方法不能达到很好的抗干扰性能。
- Both analysis results and numerical results by Monte Carlo simulation showed that decision feedback filters (DFF) outperform linear prediction filters by comparison. 理论分析和数值仿真结果均表明,判决反馈滤波器的性能明显优于线性滤波器。
- To obtain the same performance, the orders needed from decision feedback filters proposed are much lower than linear prediction filters, making hardware implementation more tractable. 与线性滤波器相比,为达到相同的抑制效果,判决反馈滤波器所用的滤波器阶数低,硬件实现所需资源少,实用性更广。
- linear prediction filter 线性预测滤波器
- These methods are linear prediction using autoregression,and nonlinear prediction using support vector regression. 这两种方法分别为线性的自回归预测以及非线性的支持向量机预测。
- adaptive linear prediction error filter 线性预测滤波器
- ITU G 728 recommendation is a scheme for coding speech at 16 Kbit/s using low delay code excited linear prediction (LD CELP). ITU G?728 标准是国际电信联盟于1992 年推出的一种比特率为16 Kb/s低延时CELP类型语音编解码器。
- Firstly a motion vector is searched for each pixel in the interpolated frame using the block-matching search method of linear prediction. 该算法首先采用了线性预测块匹配搜索算法来估计内插帧中每一个象素的运动矢量;
- In the sine excitation linear prediction (SELP) vocoder, the DCT M model improves the naturalness of the reconstructed speech, having subjective tests of 65 %. 将其应用在正弦激励线性预测(SELP)声码器中进行测试,结果表明,它能够改善重建语音的自然度,主观测试结果达65%25。
- A novel nonlinear adaptive prediction filter is presented based on a combination of PRNN and subband FIR filters. 基于PRNN神经网络与FIR子带滤波器,本文提出一种新颖的非线性自适应预测滤波器。
- The performances of the system are compared and analyzed when the feature extraction is based on Linear Prediction Cepstrum Coefficient(LPCC) or Mel Frequency Ceps. 给出了系统整体的软硬件框架,并比较和分析了分别将线性预测倒谱参数和美尔频标倒谱参数作为语音特征参数时系统的性能,为语音识别的嵌入式应用提供了参考依据。
- It is important to predict the productivity of wells accurately in the practice of exploiting of an oil field by means of prediction filter model (PEM) used in seismic exploration. 准确的预测油气田生产井的生产动态变化,在油气田开发过程中极为重要。
- In this article we present the three fundamental feature-extracting approaches to speech spectral analysis: linear predictive, cepstrum and Gabor filter methods. 本文介绍了三种语音特征抽取方法:线性预测编码(LPC)、倒谱(Cepstrum)及Gabor滤波法,并根据实验结果分析了不同特征抽取方法反映的不同的语音特征。
- Based on the theory of pupil center corneal reflection (PCCR), the authors improved and realized a high efficient linear prediction algorithm for the real-time image-processing. 在瞳孔-角膜反光点向量法(PC-CR)的基础上,提出了高效的基于最佳线性逼近预测的实时眼动跟踪算法。
- G.729 protocol proposed by ITU is a kind of speech compression coding technology based on Conjugate Structure Algebraic Code Excited Linear Prediction algorithm. 国际电信联盟(ITU)推出的G.;729协议是基于共扼结构-代数码激励线性预测的语音编解码算法。
- From the spectrum analysis tone quality of bell is obtained. The sound of chime bell can also be analyzed by the method of linear prediction used in signal processing. The accuracy of pitch frequency obained by this method is high. 用FFT做实际和模型编钟声的短时频谱分析,应用了信号处理中线性预测等方法来分析编钟声,实验表明用线性预测法计算基音频率是有足够高的准确度的。
- Abstract: A real-time predictive filter for attitude estimation, which is characteristic of both high accuracy and strong robustness, is presented in the paper. 文摘:本文给出了一种高精度、鲁棒性强的实时姿态估计算法,即预测滤波算法。
- Our research object is Conjugate Structure Algebraic Code Excited Linear Prediction (CS-ACELP) algorithm with its good performance, whose synthesized speech quality at 8kbps is not worse than that of ADPCM at 32kbps. 共轭结构代数码激励线性预测(CS-ACELP)语音编码算法以其良好的综合性能成为我们的研究对象,它在8kbps码率下的合成音质不低于32kbps 的ADPCM的水平。
- The processed data are approximated by cubic spline function.The predictive filter is constructed with the true value and the observation value of each observation point. 利用三次样条函数对处理后的观测数据进行多项式逼近,由各观测点的真实值和观测值构造出预测滤波器。
- This paper proposed a new method which can reduce white noise using correlation functions of one-sided autocorrelation and linear prediction residual in the autocorrelation domain. 提出了一种在自相关域上,以相关函数值为参数,利用单边自相关序列的线性预测误差去除语音中加性噪声的方法。
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