搜索资源列表
zhengxianfft
- 正弦信号进行傅里叶变换,估计其在不同信噪比下的均值方差,并画出图形-Some interpolated Discrete Fourier Transform (DFT) methods are analyzed and estimate the different frequency under the vary SNR.
2FSK-2PSK-4PSK-16PSK-16QAM
- 不同信噪比下2FSK,2PSK,4PSK,16PSK,16QAM误码性能仿真-Different SNR 2FSK, 2PSK, 4PSK, 16PSK, 16QAM BER performance simulation
Watermark_3
- 信息隐藏与水印技术系列实验之三:DWT变换域可见图像水印算法(开发工具:vc2005):实现在一个256色灰度载体图像变换域数据中嵌入一个256色灰度文本图像水印。其主要功能如下: (1)可以载入不同的载体图像和水印图像,但载体图像和水印图像在本软件中被限制为256色灰度图像,若要用其它图像甚至彩色图像,请修改源码。 (2)水印在载体图像中的嵌入位置及嵌入强度可以设置。 (3)可以计算原始图像和含水印图像的峰值信噪比(PSNR),以对含水印图像进行客观质量评价。 (4)源码结构清
music1snr
- 不同信噪比对MUSIC算法实现波达方向估计的影响-Different signal to noise ratio of MUSIC DOA estimation algorithm for implementation of the impact of
bpsk1
- 移动通信中BPSK调制的仿真,分析了不同信噪比下的误码率-This is the simulation of BPSK in Mobile Comunication,analyzing the different of miss-code by the different of S/N
bpsk
- MATLAB仿真实现bpsk在不同信噪比下的传输误码率-MATLAB simulation bpsk under different signal to noise ratio of the transmission bit error rate
energydetection
- 认知无线电中能量检测matlab源码,体是仿真误警概率下,不同信噪比下的检测概率的。-energy detection
cdma_mmse
- DS-CDMA的MMSE算法程序,给出了不同信噪比下的BER性能比仿真曲线。-DS-CDMA of the MMSE algorithm program are given under different signal to noise ratio curve of BER performance than emulation.
16QAM-OFDM
- 基于16QAM调制解调的OFDM信道估计,计算了不同信噪比下的误码性能曲线,并画出了图。-Comb based on the OFDM pilot channel estimation, calculation of the BER performance under different signal to noise ratio curve, and draw the map.
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
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
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
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
基于小波变换的不同小波基去噪
- 包含不同小波基对图像去噪效果的仿真程序及结果,包含信噪比源程序。(Including different wavelet base image denoising effect of the simulation procedures and results, including signal to noise ratio source.)
Viterbi
- 实现了一个基于卷积码的通信系统 可以统计不同信噪比的误码率(A convolutional code based communication system and implemented to calculate the BER of different SNR)
打包
- 两种不同的假设: H1 : 0 xn A fn wn ( ) cos(2 ) ( ) = ++ π θ n=1,2,…,N,f0 为规一化频率 H0 : xn wn () () = n=1,2,…,N 其中 w[n]是均值为 0,方差为 2 σ n 的高斯白噪声,A 已知,样本间相互 独立,信号与噪声相互独立; 相位θ 是随机变量,它服从均匀分布 1 0 2 ( ) 20 p θ π θ π ?? ≤ ≤ = ??? 其它 1)改变输入信噪比(改变 A 或噪声方差均可),给
最大似然
- 两种不同的假设: H1 : 0 xn A fn wn ( ) cos(2 ) ( ) = ++ π θ n=1,2,…,N,f0 为规一化频率 H0 : xn wn () () = n=1,2,…,N 其中 w[n]是均值为 0,方差为 2 σ n 的高斯白噪声,A 已知,样本间相互 独立,信号与噪声相互独立; 相位θ 是随机变量,它服从均匀分布 1 0 2 ( ) 20 p θ π θ π ?? ≤ ≤ = ??? 其它 1)改变输入信噪比(改变 A 或噪声方差均可),给