Description: 该程序是同步中的相位估计方法，该方法可以估计不同参数下的相位大小。-synchronization is the process of phase estimation method, which can be estimated under different parameters of phase size. Platform: |
Size: 2110 |
Author:xiaozhu |
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Description: In recent years large scientific interest has been
devoted to joint data decoding and parameter estimation
techniques. In this paper, iterative turbo decoding joint
to channel frequency and phase estimation is proposed.
The phase and frequency estimator is embedded into the
structure of the turbo decoder itself, taking into consideration
both turbo interleaving and puncturing. Results
show that the proposed technique outperforms conventional
approaches both in terms of detection capabilities and
implementation complexity. Platform: |
Size: 161059 |
Author:吴大亨 |
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Description: This paper investigates the design of joint frequency
offset and carrier phase estimation of a multi-frequency time division
multiple access (MF-TDMA) demodulator that is applied to
a digital video broadcasting—return channel system via satellite
(DVB-RCS). The proposed joint estimation algorithm is based on
the interpolation technique for two correlation values in the frequency
and phase domains. This simple interpolation technique
can significantly improve frequency and phase resolution capabilities
of the proposed technique without increasing the number of
the correlation values. In addition, the overall block diagram of a
digital communications receiver for DVB-RCS is presented, which
was designed using the proposed estimation algorithms.
Index Terms—Carrier phase estimation, DVB-RCS, frequency
offset estimation, interpolation, joint estimation, MF-TDMA. Platform: |
Size: 501216 |
Author:吴大亨 |
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Description: In recent years large scientific interest has been
devoted to joint data decoding and parameter estimation
techniques. In this paper, iterative turbo decoding joint
to channel frequency and phase estimation is proposed.
The phase and frequency estimator is embedded into the
structure of the turbo decoder itself, taking into consideration
both turbo interleaving and puncturing. Results
show that the proposed technique outperforms conventional
approaches both in terms of detection capabilities and
implementation complexity. Platform: |
Size: 160768 |
Author:吴大亨 |
Hits:
Description: This paper investigates the design of joint frequency
offset and carrier phase estimation of a multi-frequency time division
multiple access (MF-TDMA) demodulator that is applied to
a digital video broadcasting—return channel system via satellite
(DVB-RCS). The proposed joint estimation algorithm is based on
the interpolation technique for two correlation values in the frequency
and phase domains. This simple interpolation technique
can significantly improve frequency and phase resolution capabilities
of the proposed technique without increasing the number of
the correlation values. In addition, the overall block diagram of a
digital communications receiver for DVB-RCS is presented, which
was designed using the proposed estimation algorithms.
Index Terms—Carrier phase estimation, DVB-RCS, frequency
offset estimation, interpolation, joint estimation, MF-TDMA.-This paper investigates the design of joint frequencyoffset and carrier phase estimation of a multi-frequency time divisionmultiple access (MF-TDMA) demodulator that is applied toa digital video broadcasting-return channel system via satellite (DVB-RCS). The proposed joint estimation algorithm is based onthe interpolation technique for two correlation values in the frequencyand phase domains. This simple interpolation techniquecan significantly improve frequency and phase resolution capabilitiesof the proposed technique without increasing the number ofthe correlation values. In addition, the overall block diagram of adigital communications receiver for DVB-RCS is presented, whichwas designed using the proposed estimation algorithms.Index Terms-Carrier phase estimation, DVB-RCS, frequencyoffset estimation, interpolation, joint estimation, MF-TDMA. Platform: |
Size: 500736 |
Author:吴大亨 |
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Description: ML Estimation of frequency, phase, and amplitude of a sinusoid from discrete time samples
MLEsim.m -ML Estimation of frequency, phase, and amplitude of a sinusoid from discrete time samples MLEsim.m Platform: |
Size: 1024 |
Author:老邢 |
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Description: Phase noise resulting in Common Phase Error
(CPE) and Inter-Carrier Interference (ICI) is a critical challenge
to the implementation of OFDM systems. Modeling phase noise
as a stationary Gaussian random process with the specified
power spectrum density, different from conventional approaches
which mostly relay on pilots to provide CPE estimation, we
explore the statistical characteristics of the sufficient statistics
then propose a pilot-aided decision-directed approach according
to maximum-likelihood criterion. Numerical results demonstrate
that the proposed algorithm enjoys 2dB gain at Platform: |
Size: 84992 |
Author:xiaobo |
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Description: This file contains a matlab file for blind carrier estimation which compute the phase and frequency offset of carrier due to Doppler shift. Platform: |
Size: 1024 |
Author:Abbas |
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Description: 基于LMS算法对相关加噪信号的波达角方向估计，基于32单元线阵-LMS algorithm based on noise-related signals in the direction of arrival angle estimation, based on the 32-cell linear array Platform: |
Size: 1024 |
Author:shenhong |
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Description: 基于相位的光流估计，Trans NN 2002的文章-Gautama, T. and Van Hulle, M.M. (2002). A Phase-based Approach to the Estimation
of the Optical Flow Field Using Spatial Filtering, IEEE Trans. Neural Networks,
13(5), 1127--1136 Platform: |
Size: 656384 |
Author:李 |
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Description: 本文利用软输入软输出信道译码器输出对数似然比随相位偏差变化的规律得到低信噪比MPSK信号的
相位偏差代价函数，并提出一种求解该代价函数的迭代相位搜索方法，以相对较小的运算量实现较高精度的相
位估计。仿真表明，该算法在低信噪比下具有稳定的性能，并且能够克服大多相位估计算法都存在的相位模糊
问题。-In this paper, the soft input soft output channel decoder output log-likelihood ratio with the variation of the phase error signal to noise ratio MPSK signals with low phase error cost function and propose a cost function for solving the iterative phase of the search method relatively less computation to achieve high accuracy phase estimates. Simulation results show that the algorithm is stable under low signal to noise ratio performance, and most of the phase estimation algorithm can overcome the phase ambiguity exists. Platform: |
Size: 202752 |
Author:motonula |
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Description: 块相位估计－Block Phase Estimation(BPE)取代了传统的锁相环(PLL)结构，以取模 (Modulo)运算为基础，而且使用创新的平均器，既简化了算法结构，又大大方便于硬件实现，同时为芯片设计提出了新的思路；但国内研究较少，资料极其匮乏；文章在对BPE的原理与结构进行较为深入的介绍与分析的基础上，对BPE进行了由浅入深的仿真，解决了部分跟踪器－SECTOR TRACKER(ST)的问题，给出了部分仿真结果；最后，分析了BPE的优缺点，给出了改进的方法。-Block Phase Estimation(BPE) replaces the traditional phase locked loop(PLL), is based on Modulo operation and makes use of the innovative averager ,which simplifies the construction of the arithmetic and facilitates the hardware implementation a lot and presents a new thinking for chip design But interiorly there are few researthes and the data are extremely scarce Based on an in-depth introduction and analysis of the principle and construction of BPE,the paper emulates BPE from simple to deep,solves the problem of SECTOR TRACKER(ST),and provides emulation results At last,the paper specifies the advantage and disadvantage of BPE,and introduces the improving methods. Platform: |
Size: 158720 |
Author:郭飞 |
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Description: This is a file for Blind frequency offset
estimation for overlap PCC-OFDM systems
in presence of phase noise Platform: |
Size: 681984 |
Author:katha |
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Description: 一种基于软信息的编码辅助的迭代相位估计算法。该法采用载波相位同步、解调和译码联合处理的思想，将译码器输出的码比特的可靠量度直接反馈回估计单元以提高同步的准确度-Based on soft information encoded auxiliary iterative phase estimation algorithm. The method uses carrier phase synchronization, demodulation and decoding process of joint thinking, the decoder output bits of code back to a reliable measure of estimated unit direct feedback to improve the accuracy of synchronization Platform: |
Size: 221184 |
Author:fy |
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Description: 相位和载波估计的算法，用于通信中的同步估计。-And carrier phase estimation algorithm is used for communication synchronization estimation. Platform: |
Size: 305152 |
Author:wanglifei |
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Search - phase estimation