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基于FFT的极大似然载频估计算法，用CZT实现的MATLAB程序-FFT-based Maximum Likelihood estimation algorithm carrier frequency, with the CZT achieve MATLAB
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在DAB系统中的频率同步，载频同步，参考一下Carrier frequency offset estimation of DAB receiver based on phase reference symbol
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The implementation of estimation and correction of carrier frequency offset of COFDM system in DAB receiver IC ASIC03
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恒模信号估计。估计载波的频率和振幅。估计恒模信号的相位和振幅-Constant modulus signal estimation. Estimated carrier frequency and amplitude. Estimated constant modulus signal phase and amplitude
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OFDM的最新IEEE的文档，用于信道和载波频偏的联合估计算法，比较前沿-OFDM latest IEEE documents, for the channel and the joint carrier frequency offset estimation algorithm to compare the forefront of
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：载波频率偏移是OFDM系统实现的关键问题之一。分析了OFDM 系统载频偏移估计的2
种算法，即利用循环前缀和训练序列方法。它们均为最大似然估计方法。分别讨论了它们的基本
思想、实现方法和仿真结果。可以看出基于循环前缀算法复杂度较小，精度不高，而基于训练序列
的算法有较高的估计精度，但降纸了系统传输效率。-Abstract：Carrier frequency ofset is one of the key problems in OFDM system．Two foundationa
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In this paper, we present a novel data-based method for simultaneous Maximum Likelihood
(ML) symbol and carrier-frequency o畇et estimation in Orthogonal frequencydivision
multiplexing (OFDM) systems. Statistical properties introduced by the cyclic
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本文对MIMO技术中的信道估计、空时编码和单载波频域均衡技术（SC-FDE）及其在FPGA上的实现进行了深入的研究-In this paper, MIMO channel estimation techniques, space-time coding and single-carrier frequency domain equalization (SC-FDE) and its implementation on FPGA-depth study carried out
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it is IEEE research paper on "The Implementation of Estimation and
Correction of Carrier Frequency Offset of
COFDM system in DAB Receiver"-it is IEEE research paper on "The Implementation of Estimation and
Correction of Carrier Frequency Offset
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单载波频域均衡的完全编码，包括了调制解调，独特字，传输模拟，信道估计，频域均衡器设计等等完全的理论。-Single-carrier frequency domain equalization, including modulation/demodulation, unique words, transmission simulation, channel estimation, frequency-domain-equalizer design, etc.
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Matlab编写的循环谱计算程序，并对谱参数进行检测和估计，如载频估计，时宽估计，幅度估计等-Matlab computer program written in cyclic spectrum, and spectral parameters for detection and estimation, such as carrier frequency is estimated at wide estimated range estimation
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OFDM系统中提出一种改进方法对频偏的捕获, 在联合使用9个短前导序列和长前导序列估计算法的基础上,采用鉴频环路的方法来消除算法中的除法和取模运算 -OFDM system in an improved way of deviation of the capture, in the joint use of nine short leader sequence and the long preamble sequence estimation algorithm, based on the fr
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MIMO OFDM 技术将成为第4 代移动通信系统的关键技术, 因MIMO OFDM 对时间和频率偏移非常敏感,
因此MIMO OFDM 同步显得尤为重要。提出了一种新的MIMO OFDM 定时同步和频偏同步技术。以GCL 序列为基础设
计了一个新的符合MIMO OFDM 同步技术的导频序列, 通过对该导频序列进行2 次相关得到频率估计, 并将所得频率
运用到定时同步中, 得到更为准确的时间估计
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单载波频域均衡中，信道是一个很关键的问题，信道估计的好坏也直接影响系统的性能，确定一个好的信道估计序列是至关重要的，chu 序列是一种很好的估计序列-Single-carrier frequency domain equalization, the channel is a very critical issue, good or bad channel estimation is also directly affect the performance of the system to det
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Abstract—In this paper, we study the joint estimation of inphase
and quadrature-phase (I/Q) imbalance, carrier frequency
offset (CFO), and channel response for multiple-input multipleoutput
(MIMO) orthogonal frequency division multiplexing
(O
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Abstract—In this paper, we study the joint estimation of inphase
and quadrature-phase (I/Q) imbalance, carrier frequency
offset (CFO), and channel response for multiple-input multipleoutput
(MIMO) orthogonal frequency division multiplexing
(O
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Orthogonal Frequency Division Multiplexing (OFDM)
systems are more sensitive to timing and frequency offsets than
single carrier systems. This Paper presents a method of joint time
and frequency synchronization for OFDM systems. The
synchroni
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根据软件无线电的思想，提出了一种新颖的数字信号处理算法，对QPSK信号的相位进行数字化处理，从而实现对QPSK信号的解调.该算法允许收发两端载波存在频差，用数字锁相实现收发端载波的同步，在频偏较大的情况下，估算频偏的大小，自适应设置环路的带宽，实现较短的捕获时间和较好的信噪性能。整个设计基于XILINX公司的ISE开发平台，并用Virtex-II系列FPGA实现。用FPGA实现调制解调器具有体积小、功耗低、集成度高、可软件升级、扰干扰能力强的特点，符合未来通信技术发展的方向。-According
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信号载波估计，可适用于多种信号的载波频率估计、解调等。(Signal carrier estimation can be applied to carrier frequency estimation and demodulation of various signals.)
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