搜索资源列表
pluse_any
- 对单脉冲采集的k空间数据进行分析,计算中心频率偏移值-K-space data collected by the single pulse, calculate the center frequency offset value
8ofddm_progra0
- 802.11a OFDM MATLAB仿真代码，包含OFDM映射，IDFFT/DFT，同步(时间/频率同步)与信道估计，和频率偏移的估计等一系列代码 -802.11a OFDM MATLAB simulation code, including the OFDM mapping IDFFT/DFT synchronization (time/frequency synchronization) and the channel estimation and frequency offset e
communication
- 针对通信侦查课题，通过已知先验知识和截获信号，进行找出同步序列，匹配滤波，校正频偏和相偏，均衡，解交织，译码，恢复出原序列，最终得到的序列与原序列作对比得到误码率为0-Investigation subject for the communication, by known a priori knowledge and intercepted signal conducted to identify the synchronization sequence, the matched filter
qpsk_demod_use_FPGA
- 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
COFDM_CE
- COFDM系统的信道估计仿真。支持梳妆导频、块状导频、多种差值算法和估计算法，同时可进行同步和频偏估计，功能很全。-The COFDM system of channel estimation simulation. Support dressing pilot to the massive pilot, the the difference algorithm estimation algorithm, synchronization and frequency offset estimati
Schmidl_Cox_ferr
- OFDM 同步技术研究 Schmidl_Cox算法 定时估计加频偏估计 matlab程序-The the OFDM synchronization technology research Schmidl_Cox algorithm timing and frequency offset estimation matlab program is estimated
commadjcochanint
- This demo models the effects of adjacent and co-channel interference on a PSK modulated signal. The model includes two interferers, Interferer 1 and Interferer 2. The model enables you to modify the frequency offset and the power gain of each interfe
subpsdvscfo
- CFO- carrier frequency offset matlab code for cooperative communication. This code helps you to find the co - sfbc - ofdm.
Fitz_LR
- fitz 及 lr fr 频偏估计 matlab函数 可直接应用 并附有简单的主程序-fitz and lr fr frequency offset estimation matlab function can be applied directly with a simple main program
04470099.rar
- A semi blind technique for estimating the carrier frequency offset in OFDM communication systems is presented in this paper. The fractional and integer frequency offsets are esti-mated by employing a few null subcarriers in the rst OFDM sy
program
- QPSK平台上的载波频偏经典估计算法实现，和估计出来之后进行补偿然后解调，统计误码率-QPSK frequency offset error data MSE SNR
OFDM_DOPPLER_CP
- OFDM对频偏比较敏感，提出了基于循环前缀的频偏估计方法-OFDM is relatively sensitive to frequency offset, frequency offset estimation method is proposed based on cyclic prefix.
OFDM_DOPPLER_ML
- OFDM 对频偏非常敏感，文件主要是基于导频方法的频偏估计-OFDM is very sensitive to frequency offset, frequency offset file is mainly based on the pilot estimates
QAM
- 该文给出了一种QAM信号载波频偏估计算法。-This paper presents a QAM signal carrier frequency offset estimation algorithm.
PV-islanding-detection
- 基于改进滑模频率偏移法的光伏孤岛检测研究-PV islanding detection based on improved sliding mode frequency offset
doppler
- 数字通信中的多普勒频偏估计技术研究，采用开环大频偏估计算法，调制是4/pi_DQPSK-Doppler shift estimation in digital communications technology, the use of open-loop large frequency offset estimation algorithms, modulation is 4/pi_DQPSK
TD-SCDMA_simulation
- 完整的TD-SCDMA链路级仿真程序集，包括多径信道仿真、调制、相关捕获、多径合并、频差估计补偿、Rake接收、扩频解扩、信道译码。-TD-SCDMA link level simulation assembly, including multipath channel simulation, modulation, capture, multipath combiner, Frequency Offset Estimation compensation, Rake receiver, desp
OFDM
- 首先根据短训练字的特性进行相关运算，进行信号到达检测，当检测到相关值大于门限一定次数后，认为有信号到达。然后根据长训练字的特性，进行相关运算，进行OFDM符号FFT窗口起始位置的估计。估计出FFT窗口的位置后，先在时域进行小频偏的估计，将两个长训练字进行小频偏补偿后，进行FFT运算，根据FFT运算的结果进行整数倍频偏的估计。这些参数估计完成后，就可以进行数据解调了。先对数据部分进行完整的频偏补偿，然后根据估计的FFT窗口位置进行FFT运算得到频域的数据，进行解调。然后在对应于导频的子载波位置上提
OFDM_Performance_Vs_CFO
- Carrier frequency offset in ofdm communication system in Matlab. it shows BER vs SNR.
frequency
- KEY FEATURES Resolution of 230,000 Counts (Peak-to-Peak) Offset Drift: 5 nV/8C Gain Drift: 2 ppm/8C Line Frequency Rejection: >150 dB Buffered Differential Inputs Specified for Drift Over Time Operates with Reference Voltages of 1