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基于DVB-T的二维插值信道估计和均衡。
在时域和频域对DVB传输码流进行信道估计和均衡。-based on the DVB-T's two-dimensional interpolation channel estimation and balanced. In the time domain and frequency domain for DVB transport stream for channel estimation and balanced.
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很完善的一个OFDM仿真程序,它以FUNCTION的形式,再现了OFDM映射,IDFTDFT,同步(时间频率同步)和信道估计,以及频率偏移的估计等一系列代码.-very sound one OFDM simulation program, which is in the form FUNCTION, Reproduction of OFDM mapping, IDFTDFT, synchronous (time-frequency synchronous) and channel estimat
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Speech analysis and parameter extraction Short-term analysis, frames and windows Time-domain analysis: energy, zero-crossings, statistic parameters, autocorrelation
Frequency-domain analysis: spectra and spectrograms Cepstral analysis Linear predi
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802.11a OFDM MATLAB仿真代码,包括OFDM映射,IDFT/DFT,同步(时间/频率同步)和信道估计,以及频率偏移的估计等一系列代码-802.11a OFDM MATLAB simulation code, including OFDM mapping, SINGLE/DFT, synchronous (time/frequency synchronization) and channel estimation, and the estimated frequency offse
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ML estimation of time and frequency offset in OFDM systems
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现在我终于找到了一份,它以FUNCTION的形式,再现了OFDM映射,IDFT/DFT,同步(时间/频率同步)和信道估计,以及频率偏移的估计等一系列代码.希望大家能从中得到你需要的东西.
-Now I finally found a copy of it to the form of FUNCTION, reproduces OFDM mapping, IDFT/DFT, synchronized (time/frequency synchronization), and channel e
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The Yin algorithm was developed by Alain de Cheveigné of IRCAM-CNRS and Hideki Kawahara of Wakayama University. It allows for real-time continuous (for each sample) fundamental frequency estimation.
It features a very low error rate and few tuni
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瞬时频率的解释和瞬时频率估计算法的介绍，回顾目前存在的一些瞬时频率估计算法以及作者提出的新的算法-This paper, which addresses the important issue of estimating
the instantaneous frequency (IF) of a signal, is a sequel to the
paper which appears in this issue, and dealt with the concepts
relat
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以FUNCTION的形式,再现了OFDM映射,IDFTDFT,同步(时间频率同步)和信道估计,以及频率偏移的估计等一系列代码.-To FUNCTION in the form of, reproduce OFDM mapping, IDFTDFT, synchronized (time and frequency synchronization), and channel estimation and frequency offset estimation and a series of cod
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多个应答器的碰撞问题是影响超高频射频识别(RFID)系统读取效率的一个关键问题。从EPC Class1 Generation2 (C1G2)RFID系统帧长受约束特点出发， 分析了帧时隙ALOHA防碰撞机制及其经典应答器估计方法的特点。提出了应答器间隔估计方法(IEM)以及基于该方法的EPC C1G2 RFID防碰撞算法，并给出了仿真结果。与现有基于经典应答器估计方法的射频识别系统防碰撞算法相比较，提出的防碰撞算法减少了识别时间， 提高了系统的识别效率。-Multiple transponder
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在高阶谱分析工具箱是一个M文件集合实施了多种先进的信号处理算法的频谱估计，polyspectral估计，时频分布计算，并包含许多实际应用如时延估计，谐波恢复，参数估计的Volterra（非线性）模型，以及自适应线性预测。其他潜在的应用包括音响，生物医学，经济学，地震勘探，无损检测，海洋学，等离子体物理，雷达，声纳，语音等-The Higher-Order Spectral Analysis Toolbox is a collection of M-files that implement
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频域不同导频密度的信道估计在被研究，并且在高低时延信道其信道估计被固定了导频分配时域。频域信道估计是基于插补，多项式的广义线性模型（或最小二乘法）和维纳滤波（或线性最小均方误差法）的方法。时域的信道估计是用线性插补完成的。我们通过测量在基于克拉克散射模型的瑞利衰落信道上并带有QPSK调制的粗误码率，已经比较了所有这些方案的结果。-Different pilot density in frequency domain channel estimate to research, and its hi
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In this paper, we investigate the timing and carrier
frequency offset (CFO) synchronization problem in decode and
forward cooperative systems operating over frequency selective
channels. A training sequence which consists of one orthogonal
fr
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In this paper, we investigate the timing and carrier
frequency offset (CFO) synchronization problem in decode and
forward cooperative systems operating over frequency selective
channels. A training sequence which consists of one orthogonal
fr
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An effecient algorithm has been proposed by
Schmidl and Cox for carrier frequency estimation in orthogonal
frequency-division multiplexing systems. The scheme is based
on the transmission of a training symbol composed of two
identical halves
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是一个对产生的高斯脉冲，进行时延和频移联合估计的一个很好的例子-Is a on the occasion of gaussian pulse, time delay and frequency shift joint estimation of a good example
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本次实验主要是对一个正弦信号加入高斯白噪声，然后通过傅里叶变换对正弦信号进行谱估计。最后要用matlab进行仿真，得到正弦函数的时域和频域波形，关键找出信噪比和正弦信号频谱的均方误差之间的关系。-The experiment is a sinusoidal signal which is to white Gaussian noise, then by Fourier transform of the sinusoidal signal spectrum estimation. Finally,
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1. Linear Model Estimation: using time and frequency domain data
2. Nonlinear Black Box Model Estimation
3. Nonlinear Grey Box Model Estimation
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基于matlab的OFDM仿真程序；
我再论坛找了很多OFDM的代码和文章,但总有遗患,为什么呢原因是大部分只有简单的映射,IDFTDFT变换等等,但主要的同步和信道估计去没有人提出来,甚至做出来..
现在我终于找到了一份,它以FUNCTION的形式,再现了OFDM映射,IDFTDFT,同步(时间频率同步)和信道估计,以及频率偏移的估计等一系列代码.-Based on the OFDM matlab simulation program I' ll find a lot o
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跳扩频信号的时频分析，对研究信号检测与参数估计的非常有帮助，时频图清晰明了，很好的程序-When frequency hopping spread spectrum signal analysis, the study of signal detection and parameter estimation is very helpful, time-frequency diagram clarity, good program
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