搜索资源列表
GMSK
- GMSK调制，无噪声，给出了高斯滤波器，IQ两路幅度与相位的波形等-GMSK modulation, noise, gives a Gaussian filter, IQ amplitude and phase of the two waveforms
phasedifference
- 利用DFT实现两轮信号相位差计算，包含谐波信号污染，白噪声信号污染分析-Phase difference between two signals to achieve the use of DFT calculations, the signal containing harmonics pollution, contamination white noise signal analysis
42mmSS1702A10A
- 山社42mm二相步进电机型号有：SS1702A10A、SS1703A15A、SS1704A20A，采用永磁硅钢片及日本NSK原装轴承制造，低碳环保，力矩从：0.262N.m-0.54N.m,定位精度高，输出力矩高，响应频率高，运行噪音低，动态特性好，产品均通过质量环保认证。-Hill Community 42mm two-phase stepper motor models: SS1702A10A, SS1703A15A, SS1704A20A, silicon steel and perman
QPSK
- 对原始信号进行四相相移键控调制，然后加入高斯白噪声，对加噪信号进行解调，对比解调信号与原始信号，计算误码率-The original signal quadrature phase shift keying modulation, and then adding Gaussian white noise, plus noise signal is demodulated, comparing the demodulated signal with the original signal, bit
05386026
- In a series of papers in recent years new structures for coherent M-PSK (M-ary Phase Shift Keying) receivers were suggested. These include structures for carrier phase detectors for the carrier PLL (Phase Lock Loop), carrier PLL lock dete
PLL_Design-(G)
- 二阶锁相环系统的设计，有效提高信噪比，便于跟踪锁定- Second-order phase-locked loop system designed to effectively improve the signal to noise ratio, ease of tracking lock
code
- 频域图像增强，交换两幅图像的相位谱，利用频域滤波消除周期噪声-Frequency-domain image enhancement, image exchange two phase spectrum, frequency domain filtering to eliminate periodic noise
radar-signal
- 包括相位编码（含二相BPSK和四相QPSK）、线性调频LFM、非线性调频NLFM、脉冲幅度调制(PAM)信号、带噪FSK频率编码信号等的信号源码，是很好的产生各种雷达信号的程序资源。-Including the phase encoding (including two-phase four-phase BPSK and QPSK), LFM LFM, non-linear FM NLFM, pulse amplitude modulation (PAM) signal with noise s
mykalman
- 用matlab模拟的kalman的低通滤波器，附带代码说明 某系统接收端接收到的信号为 y=4*cos(2*pi*310*t)+2*sin(2*pi*40*t) (G) 发现此信号夹杂了一个正弦噪声noise= 4*cos(2*pi*310*t)， 请设计一个带阻滤波器将此噪声滤除，从而恢复原信号。 要求： （1）请写出具体的MATLAB程序，并详细解释每条程序 （2）画出滤波前后信号的频谱图 （3）画出所设计滤波器的幅频和相频特性图，并写
chafen_prc_1
- 利用差分法对一段带有高斯白噪声的相位差数据求解其变化率.得到的变化率数据可用于无源定位中.-The use of phase-difference method with Gaussian white noise data over solving the rate of change. Change rate data obtained can be used for passive targeting.
PSKmodulation
- 提出一种全新的子载波调制方式盲识别算法,该算法利用ＯＦＤＭ子载波组的统计特性,然后通过推导得到新的基于混合高阶矩的特征量,使得到新的特征量不受信噪比、载波频偏与相位偏移的影响。 -Proposed a new sub-carrier modulation count Blind Identification Method, the method using the statistical characteristics of the OFDM sub-carrier group, an
Extracting-Straight-Lines
- burn等人提出的直线提取的经典方法，相位编组法，可以有效的提取负责场景中的直线，但是最噪声不鲁邦。-burn, who made the classic line extraction method, phase formation can effectively extract responsible for the scene in a straight line, but the noise is not robust.
3_Eshan_Nagrath_Research_Article_Mar_2011
- This Paper is concerned with the study of the performance of DPSK (differential phase shift keying) Modulation Technique using AWGN(Additive white gaussian noise) channel. The DPSK has remarkable features such as limited bandwidth and constant en
4
- 5、绘制散点图。 对发射和接收信号利用scatterplot函数可显示信号星座图的样子及噪声对信号造成的失真程度。在该图中，横轴代表了信号的同相分量而纵轴代表了正交分量。下面的代码还利用了 对接收信号利用modem.deqammod对象的demodulate方法进行解调。解调结果为包含0到15之间整数的列向量。 -5, draw a scatter plot. The transmitted and received signals can be displayed using a
BPSK_Sim
- Binary Phase Shift Keying Simulation for BER v/s SNR of Additive White Gaussian Noise Channel
Yan_Yi_BPSK
- 仿真BPSK（Binary Phase Shift Keying）载波调制信号在AWGN（加性高斯白噪声AWGN(Additive White Gaussian Noise)）信道下的误码率和误比特率性能，并与理论值相比较。-Simulation of BPSK (Binary Phase Shift Keying) modulation signal in AWGN (additive white Gaussian noise AWGN (Additive White Gaussian Noi
doda
- 循 环 相 关 谱检 测 法 的 检 测性 能 优 于循环 相 关 谱 系 数 检 测法,但 循环 相 关 谱检 测法 的 性 能 受 噪 声 功 率 估 计 误 差 影 响 大,而 循环 相 关 谱 系 数 检 测 法 不 需 要 已 知 噪 声 功 率,实 用性 更 强-Circular correlation spectrum inspection measurement method of inspection measurement can be optimal in cyclic c
Power-spectrum-estimation
- 功率谱估计 信号为两个正弦信号加高斯白噪声，各正弦信号的信噪比均为10dB，长度为N，信号频率分别为 和 ，初始相位 ，取 ， 取不同数值：0.3，0.25。 为采样频率。分别用Levinson递推法和Burg法进行功率谱估计，并分析改变数据长度、模型阶数对谱估计结果的影响。-Power spectrum estimation signal into two sinusoidal signals applied Gaussian white noise, the SNR of each si
lms
- LMS测相算法仿真（直线阵），通过算法产生阵列流型矩阵并进行相关分析,加噪-LMS algorithm simulation test phase (linear array), generated by an algorithm array manifold matrix and correlation analysis, noise
TV-PC
- 全变差模型和相位一致性结合提取图像的边缘信息，有效的处理了噪声的影响-Total variation model and the phase coherence combined edge image information extraction, effective treatment of the effects of noise