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fh
- 本文阐述了扩展频谱通信技术的理论基础和实现方法,利用MATLAB 提供的可视化 工具Simulink 建立了扩频通信系统仿真模型,详细讲述了各模块的设计,并指出了仿真建模 中要注意的问题。在给定仿真条件下,运行了仿真程序,得到了预期的仿真结果。同时,利 用建立的仿真系统,研究了扩频增益与输出端信噪比的关系,结果表明,在相同误码率下, 增大扩频增益,可以提高系统输出端的信噪比,从而提高通信系统的抗干扰能力。 -This paper describes the theory
snr
- 信噪比 信噪比 比信噪比比信噪比-snrsnrsnrsnr
snr_ber
- 不同信噪比对误码率性能的影响,仅供参考,效果还可以-BER performance of different signal to noise ratio on the impact of reference only, the effect can be
fdct_wrapping_demo_denoise_enhanced
- 计算信噪比的程序,可以直接调用,方便而且简单。-SNR calculation procedure can be called directly, convenient and simple.
psnr
- 计算两幅图像峰值信噪比的matlab函数-Calculate PSNR of two images of the matlab function
snr
- 信噪比MATLAB程序,可以分析信号的干净程度, 适合信号处理的初学者。-SNR MATLAB program that can analyze the cleanness of the signal, signal processing for beginners.
whitenoise
- 信噪比可变的加性高斯白噪声信道下信号发生器的VHDL语言编程实现-the realization of data-creater on AWGN channel
GPS2
- 用MATLAB在产生的观测数据中捕获其中PRN 号码为“5”C/A 码。 (1) 观测数据应该有一定的多普勒频偏D f(-10kHz〈D f〈+10kHz); (2) 加入高斯白噪声,使其信噪比为-20dB; (3) 捕获成功后,应给出捕获标志,并给出估计的频偏和码偏值。-Generated by MATLAB in which observed data capture PRN number is " 5" C/A code. (1) there should b
snr
- 计算语音、音频信号的信噪比程序(包含音频样本文件)-Calculation of voice, audio program signal to noise ratio (including the audio sample file)
PSNR
- 两个图片的峰值信噪比,用MATLAB实现的,程序里面有详细的例子讲解-PSNR of two images, realized with the MATLAB
fft
- 对正弦信号进行傅里叶变化,然后估计频率,在不同信噪比下画出均值方差的图-In the data process the measured complex time signal is converted into frequency signal by DFT to get vibration information regarding frequency and amplitude of the rotor
sp
- 用于计算图像鲁棒性的峰值信噪比和归一化相关系数。峰值信噪比值越大,说明图像处理效果越好,鲁棒性强,越小越不好。归一化相关系数值越大越好。-Images used to calculate the peak signal to noise ratio and robustness of the normalized correlation coefficient. The greater the peak signal to noise ratio, indicating that the bet
QPSK
- 存在多径的OPSK传输性能仿真。可以绘出不同信噪比下的误码率曲线图-The OPSK multipath transmission performance simulation. Can draw different SNR BER curves
cr-energy-detection
- 认知无线电频谱检测中的能量检测模型的构建,以及产生不同信噪比的pf和pd的概率-Detection of Cognitive Radio Spectrum Detection Model for the energy and produce different signal to noise ratio of the probability pf and pd
SNR
- matlab进行通信仿真的时候,经常需要进行信噪比的计算,然后什么是真正的信噪比。本文给出了详细的解释。SNR-what is the really SNR
hamming
- 信源产生、信道编码、调制、信道传输、解调、信道译码、差错比较等通信过程的Simulink仿真方法。分析QPSK调制方式下Hamming编码方式在不同信噪比下的通信质量。 -Generated source, channel coding, modulation, channel transmission, demodulation, channel decoding, error comparison of the communication process of the Simulink
ed
- 应用matlab单用户下不同信噪比的能量检测方法-Matlab single-user applications under different signal to noise ratio of the energy detection method
musi111
- 在不同信噪比情况下的MUSIC的成功概率-In the case of different signal to noise ratio of success probability of the MUSIC
psnr
- function PSNR2 = psnr(I,I_iter) 计算峰值信噪比 I : 原始信号 I_iter : 加噪信号-function PSNR2 = psnr (I, I_iter) calculate the peak signal to noise ratio I: the original signal I_iter: adding noise signal
利用matlab编程实现ICI自消除算法中的SNR信噪比比较
- 利用matlab编程实现ICI自消除算法中的SNR信噪比比较