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Y847565
- 提高卫星通信信道传输效率的新途径本 文 结 合 V SAT卫星通信系统设计中涉及卫星通信传输技术极为重要的 信道编码与调制解调方式,探讨了各种新型的卫星信道编码与调制解调技术, 它们的原理及在卫星通信中的应用。在数字调制中,信号传输质量主要取决于 比特差错率BER (Bit Error Rate),因此要尽可能采用相同的每比特信号能量与 噪声功率谱密度比(Eb/N.)的条件下,BER低的调制方式,以节省卫星功率 另外频带利用率要尽可能的高,以节省宝贵的卫星频带。本文还对各种
HHT
- HHT(hilbert Huang-transfrom)可以实现同时对信号的时频分析,得到信号的Hilbert时频谱和能量谱,-HHT (hilbert Huang-transfrom) can achieve the same time, the time-frequency analysis, when the signal spectrum and Hilbert energy spectrum
Efficient-LSP-quantization-algorithm
- 为在极低速率下实现高质量的语音编码,提出了一 种新的有效的线谱对( LSP)参数量化算法——P-RS- MSM Q 算法。此算法以多帧联合矩阵量化作为基本框架,引入了基 于超级帧模式的均值去除和帧间预测策略、 矩阵分裂和子矩 阵多级量化策略 同时提出了基于语音帧短时谱能量的帧 内加权和基于超级帧中各子帧重要性的帧间加权策略等。-Very low rates in high-quality speech coding, a new and effective LSP (LSP)
def
- 本论文概述了信号检测技术,如能量检测、匹配滤波器检测等,重点研究了循 环平稳检测法,并与能量检测法进行性能对比,仿真表明循环平稳检测性能明显 优于能量检测。论文讨论了循环平稳检测法检测统计量的选取,研究了循环谱峰 均比的特性,并对使用循环谱峰均比作为检测统计量的循环平稳检测法进行了仿 真,仿真表明使用循环谱峰均比作为检测统计量的循环平稳检测性能优于传统的 循环平稳检测法。-This paper outlines the signal detection techniques,
fault-diagnosis-of-rolling-bearings
- 滚动轴承故障特征的时间_小波能量谱提取方法,机械工程学报-extraction of rolling bearing fault feature based on time-wavelet energy spectrum,journal of mechanical engineering
matlab
- 直接法又称周期图法,它是把随机序列x(n)的N个观测数据视为一能量有限的序列,直接计算x(n)的离散傅立叶变换,得X(k),然后再取其幅值的平方,并除以N,作为序列x(n)真实功率谱的估计。 -The direct method is also called cycle diagram method, it is the random sequence x (n) n observation data as a energy limited sequence, direct calculatio
paper-of-VAD
- 语音端点检测的各种论文,包括MFCC、过零率、短时能量、小波以及谱熵等方法,对编写语音VAD算法有很大的帮助-Speech endpoint detection in a variety of papers, including MFCC, zero-crossing rate, short-term energy, wavelet and spectral entropy method, write voice VAD algorithm of great help
caiji
- 这个小程序的主要功能是实现对声音信号的采集并将其波形,能量谱显示出来-This little program' s main function is to achieve the sound signal acquisition and waveform energy spectrum displayed
iysax
- 能量谱分析计算,自写曲率计算函数 ,本科毕设要求参见标准测试模型。- Energy spectrum analysis and calculation, Since writing the curvature calculation function, Undergraduate complete set requirements refer to the standard test models.
ghvnp
- 采用热核构造权重,基于互功率谱的时延估计,能量熵的计算。- Thermonuclear using weighting factors Based on the time delay estimation of power spectrum, Energy entropy calculation.
ri062
- 是信号处理的基础,利用贝叶斯原理估计混合logit模型的参数,能量谱分析计算。- Is the basis of the signal processing, Bayesian parameter estimation principle mixed logit model, Energy spectrum analysis and calculation.
mdjwk
- ICA(主分量分析)算法和程序,能量谱分析计算,意信号卷积的运算,并且绘制图象。- ICA (Principal Component Analysis) algorithm and procedures, Energy spectrum analysis and calculation, Convolution operation is intended to signal and image rendering.
8484
- 能量谱分析计算,包括脚本文件和函数文件形式,一种基于多文档得图像合并技术。- Energy spectrum analysis and calculation, Including scr ipt files and function files in the form, Based on multi-document image obtained combining technique.
gn132
- 本科毕设要求参见标准测试模型,能量谱分析计算,有信道编码,调制,信道估计等。- Undergraduate complete set requirements refer to the standard test models, Energy spectrum analysis and calculation, Channel coding, modulation, channel estimation.
ve666
- 能量谱分析计算,数值分析的EULER法,重要参数的提取。- Energy spectrum analysis and calculation, EULER numerical analysis method, Extract important parameters.
nui_xa24
- 计算多重分形非趋势波动分析matlab程序,能量谱分析计算,GSM中GMSK调制信号的产生。- Calculation multifractal detrended fluctuation analysis matlab program, Energy spectrum analysis and calculation, GSM is GMSK modulation signal generation.