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SVD
- 奇异谱分解技术，与相空间重构相结合，对信号进行降噪处理-Singular spectrum analysis technology, combined with the phase space reconstruction of signal noise reduction
frank-code
- frank码加噪和不加噪的相移变化以及I+jQ相移变化的MATLAB仿真代码-Frank Code Phase Shift，Frank Code Phase Shift I+jQ， Time Domain of I with Phase Shift & no Noise MATLAB Simulation code.
Pe_SNR_QPSK
- 二进制相移键控信号时域波形，频域功率谱密度，以及加入加性高斯白噪声后输出的信噪比与误码率的关系。-Binary Phase Shift Keying signal time-domain waveform, frequency domain power spectral density, and the relationship between AWGN to a dispersion after the output signal to noise ratio and bit error ra
SAR-CODE
- 合成孔径雷达成像代码以及噪声干扰代码，主要是SAR的RD算法以及射频、调相、调频、调幅噪声-Synthetic aperture radar imaging code and noise code, mainly is the SAR, RD algorithm and radio frequency, phase modulation, frequency modulation, amplitude modulation noise
lock-in_amplider
- 锁定放大器是利用相关技术从噪声中提取微弱信号的常用方法之一。可以证明，当信号的频率和相位已知时，使用相关检测技术能使输出信号信噪比最大。数字锁定放大器比模拟锁定放大器具有稳定、精度高等优点，并且数字滤波器的通带可以设置的非常窄，以便滤除噪声。-Lock-in amplifier is a common method using correlation techniques extracting weak signals the noise in. It can be shown when th
180deg-79F9211-BIKE-materials
- 120 degree control method are widely used in E-BIKE controller, this kind of control mode not only include the torque variation caused by phase change, but also include the torque variation caused by the step performance caused by the control theory
QpskinRayleighfading
- While Multiple Phase Shift Keying (M-PSK) is much more spectrally efficient, the greater the number of smaller phase shifts, the more difficult the signal is to demodulate in the presence of noise. The benefit of M-PSK is that the constant carrier
tryfinalLMS_Equalizer
- 4. 16QAM uses a mix of amplitudes and phases to achieve 4 bits/Hz. In this example, there are three amplitudes and 12 phase shifts. While QAM is enormously efficient of spectrum, it is more difficult to demodulate in the presence of noise, wh
Lab4-LPC
- For restoration of time-domain signals, an estimate of the instantaneous magnitude spectrum is combined with the phase of the noisy signal, and then transformed via an inverse discrete Fourier transform to the time domain. In terms of comput
BPSKpinlv
- 二相编码雷达脉冲雷达信号的参数提取。在二相编码雷达脉冲信号上加入噪声，然后在提取改信号的频率-Second phase coding parameter extraction radar pulse radar signals. Join noise in the two-phase encoded radar pulses, and then change the frequency of the signal extraction
erxiangbianmacanshutiqu
- 对加入噪声后的二相编码雷达脉冲信号进行一系处理，提取其信号的参数。-After joining the noise of the two-phase coding signals a series of radar pulses are processed to extract the parameters of their signals.
cs
- 本程序主要研究一种具有保相性的基于 压缩感知的距离压缩算法，程序1为无噪声信号CS重构目标距离像，程序2为含噪声信号CS重构目标距离像，程序3为探求CS分辨率，程序4为探求CS保相性。 -The main phase of an insurance-based compressed sensing range compression algorithm, program 1 is no noise the image signal CS reconstruction goals, the
gb-SAR-deformation-detection
- 煤田火区地表形态变化是煤火监测和分析的可用指标之一’由于矿区地表严重的去相干噪声，使得星载合 成孔径雷达干涉测量技术应用于煤田火区地表形变检测比较困难’结合煤田火区地表形变特点，利用 4 波段的 -45( -4(-! 数据进行差分干涉处理，利用干涉条纹频率精确估计基线，并用自适应滤波方法降低去相干噪声的 影响’在去除平地相位和参考地形相位后，获取煤田火区的地表形变’研究表明: 地表形变与煤火燃烧具有一定 的相关关系，通过地表形变分析有助于对地下煤火燃烧情况的判断 利用差分干涉 (
SIMULATION_OF_BPSK_AND_COMPARISION_USING_BER_PLOT
- BPSK (also sometimes called PRK, phase reversal keying, or 2PSK) is the simplest form of phase shift keying (PSK). It uses two phases which are separated by 180° and so can also be termed 2-PSK. It does not particularly matter exactly where the const
carrier-synxronization-OQPSK
- This article contains analyses of the performance of various carrier synchronization loops for offset quadrature phase-shift-keying (OQPSK) modulation, all motivated in one form or another by the maximum a posteriori (MAP) estimation of carrier
123
- 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。-Signal into two sinusoidal signals applied Gaussian white noise, the SNR of each sinusoidal signals are 10dB, a lengt
sensorless
- This paper develops the brushless dc (BLDC) motor sensorless control system for an automotive fuel pump. The sensorless techniques that are based on a hysteresis comparator and a potential start-up method with a high starting torque are suggest
jvtjaqdn
- 三相光伏逆变并网的仿真，PAgiDxa参数调试通过可以使用，仿真效果非常好，pwm整流器的建模仿真，NTnOYAb条件包括调制，解调，信噪比计算，对于初学者具有参考意义。- Three-phase photovoltaic inverter and network simulation, PAgiDxa parameter Debugging can be used, Simulation of the effect is very good, Modeling and simulation
sjcefzre
- 使用matlab实现智能预测控制算法，GLyZjln参数对于初学者具有参考意义，可以得到很精确的幅值、频率、相位估计，调试通过可以使用，pvMXwJH条件包括调制，解调，信噪比计算，基于互功率谱的时延估计。- Use matlab intelligent predictive control algorithm, GLyZjln parameter For beginners with a reference value, You can get a very accurate amplitu
juhcmrfa
- 使用混沌与分形分析的例程，可以得到很精确的幅值、频率、相位估计，实现了对10个数字音的识别程序FMCW调频连续波雷达的测距测角，D-S证据理论数据融合，添加噪声处理。-Use Chaos and fractal analysis routines, You can get a very accurate amplitude, frequency, phase estimation, Realization of 10 digital audio recognition program FMCW