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ofdmphn_Evm
- 利用Matlab编程模擬phase noise對OFDM signal的影響,希望供大家参考,Error vector magnitude (EVM) -simulation using Matlab programming phase noise of the impact of the OFDM signal hope that for your reference, Error vector magnitude (EVM)
rfid_model
- A system simulation environment in Matlab/Simulink of RFID is constructed in this paper. Special attention is emphasized on the analog/RF circuit.Negative effects are concerned in the system model,such as phase noise of the local oscillator,TX-RX
A.spur-free.fractional-N.pll
- A new PLL topology and a new simplified linear model are presented. The new fractional-N synthesizer presents no reference spurs and lowers the overall phase noise, thanks to the presence of a SampleJHold block. With a new simulation methodology it i
PREDICTION.FRACTIONALN.SPURS
- Fast settling-time added to the already conflicting requirements of narrow channel spacing and low phase noise lead to Fractional4 divider techniques for PLL synthesizers. We analyze discrete \"beat-note spurious levels from arbitrary modulus di
add_phase_noise.m
- Summary: Jitter (RMS) calculation from phase noise vs. frequency data.
EXA_MXA_PSA_Visualization.zip
- MATLAB是一个非常好的用于测量，分析和可视化的数据，控制仪器，并建立测试系统。安捷伦信号和频谱分析仪可让您分析失真，虚假的，相位噪声，用于2G到4G无线通信测量。这种Matlab下开发的高级数据可视化（ADV）的应用软件，扩展了安捷伦信号和频谱分析仪的可视化功能，提供了四个不同的显示格式：Analog Advanced, Analog Plus, Waterfall,和Spectrogram。这些显示使得更加容易捕获间歇性信号。,MATLAB is a very good for the m
DDS.rar
- 本设计基于数字频率合成技术,采用正弦查找表实现波形产生.直接数字频率合成技术（DDS）是一种先进的电路结构，能在全数字下对输出信号频率进行精确而快速的控制，DDS技术还在解决输出信号频率增量选择方面具有很好的应用，DDS所产生的信号具有频率分辨率高、频率切换速度快、频率切换时相位连续、输出相位噪声低和可以产生任意波形等诸多优点。 文中介绍了DDS的基本原理，对DDS的质谱及其散杂抑制进行了分析。程序设计采用超高速硬件描述语言VHDL描述DDS,在此基础上设计了正弦波、三角波、方波等信号
cyclic2_am.rar
- 基于matlab，针对调幅AM、调频FM和调相PM信号，分析在不同的噪声环境，包括高斯白噪声、色噪声、非高斯噪声及正弦干扰中，各种信号的二阶循环谱。可根据需要改变程序中信号或噪声环境，分析结果。,Based on matlab, AM for AM, FM FM and PM phase modulation signals, analysis of noise in different environments, including Gaussian white noise, colored
pink_noise
- 1/f噪声生成程序，由matlab语言实现，1/f噪声又成为pink噪声- This function creates noise with a 1/f spectrum. The noise is then phase modulated so that it can be mixed with a signal to simulate pink noise in the original signal. The noise is specified in power per
EVM
- 该算法是经典的信噪比估计算法——误差矢量幅值法，通过计算接收信号中同相分量和正交分量的二、四阶矩，该算法能够很好的估计信号的信噪比-The algorithm is a classic signal to noise ratio estimation algorithm- the error vector magnitude method, by calculating the received signal with the phase component and quadrature com
PhaseBasedTemplateMatching
- Phase Based Template Matching: Phase information is used for matching the input imagery with the template. Both the images are filtered with canny edge detector. The timing efficiency is introduced by implementing skipping steps while doing correlati
dxz
- 低相噪、低杂波数字锁相环路滤波器的设计,caj格式，下载前请安装相应阅读器-Low phase noise, low-noise digital phase-locked loop filter design, caj format, download the pre-install the corresponding reader
CMOS_Low_PhaseNoise971103
- RF CMOS Low-Phase-Noise LC Oscillator Through Memory Reduction Tail Transistor
gaosi
- 图像增强处理方法，这M文件是对加入高期噪声后应用了中值滤波，均值滤波，低通滤波等方会分别来处理的程序。-Image enhancement method, this document is to join M phase noise after the application of the high value of the filter, mean filter, low pass filtering and so on will be to deal with the procedures,
NFmeasure
- 频谱仪的相位噪声测量方法，使用频谱仪大致测出频率源的输出信号相位噪声-Spectrum analyzer phase noise measurement methods, the use of broad spectrum analyzer to measure the frequency of the source of the output signal phase noise
jiexiangguan_LMS_multi_input_adv1
- 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
pll_ok
- 完整的锁相环matlab代码实现，其中包括高斯噪声干扰，频差，相差，给出最后频率及相位收敛结果图。重要的是代码中有本人详细注释，易于理解-Complete phase-locked loop matlab code, including the Gaussian noise interference, frequency difference, a difference, given the final results of the frequency and phase diagram con
Matlab-Kalman
- In statistics, the Kalman filter is a mathematical method named after Rudolf E. Kalman. Its purpose is to use measurements that are observed over time that contain noise (random variations) and other inaccuracies, and produce values that tend to be c
Blind-frequency-offset
- This is a file for Blind frequency offset estimation for overlap PCC-OFDM systems in presence of phase noise
Phase-and-Frequency-Detector
- 针对锁频锁相器( Phase and Frequency Detector, PFD) 应用于低信噪比、大频偏的条件, 通过理论分析和仿真验证阐述了窗口类型对系统频偏捕获速度、范围、噪声门限及相位噪声抖动的影响机理. 推导出等效相位噪声功率谱密度的表达式. 证明了大窗口具有更低的噪声门限和更小的稳态相位抖动, 但捕获速度较慢. 为了提高捕获速度, 对鉴相器输出值取极性运算得到改进的PFD 算法. 新算法不仅能增加鉴相增益提高捕获速度 还可以减少等效噪声功率谱密度降低相位抖动 同时新算法不需要乘法