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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
spherercs1.rar
- 程序用途：求解金属球的后向rcs和相位的fortran程序 黄培康老师编著的雷达目标特性一书的附录c ,Procedures for use: After the solution of the metal ball to the rcs and phase fortran program teacher Huang Pei-kang of the radar target for the book features an appendix c
QPSK.rar
- QPSK是一种二维调制技术，其中水平轴称为同相轴，垂直轴称为正交轴，分别对应于星座图上的1和Q坐标。同相载波指载波本身，正交载波指相位旋转90度的载波1周。QPSK调制在实现时是采用正交调幅的方式，某星座点在1坐标上的投影去调制同相载波的幅度，在Q坐标上的投影去调制正交载波的幅度，然后将两个调幅信号相加就是所需的调相信号,QPSK is one kind of two-dimensional modulating technology, the horizontal axis is called
LSunwrap.rar
- 简单利用最小二乘法对缠绕的干涉相位进行解缠，但最小二乘法有个固有缺陷，其是基于全局相位解缠方法，容易造成整体误差扩散。 ,Simple least squares method of winding the use of the interferometric synthetic aperture radar (InSAR) to interfere in phase unwrapping
Propagation_2D_Concavemirror_t
- 二维双凹激光振荡，采用菲涅尔衍射和fox-li方法，得到两维幅度和相位输出。考虑镜面倾斜的情况。,Two-dimensional double-concave laser oscillation, using Fresnel diffraction and the method of fox-li, the two-dimensional amplitude and phase output. Consider the case of mirror tilt.
DFT.rar
- 该程序包括了一个应用最为广的离散傅里叶变换，褶积，抽样最小相位。绝对能运行,The program includes an application of the most widely used discrete Fourier transform, convolution, sampling minimum phase. They can certainly run
digitalmod.rar
- 数字通信调制信号信号模拟系统 信号种类： MASK：2ASK，4ASK，8ASK MPSK：2PSK、4PSK、8PSK MFSK：2FSK、4FSK、8FSK 分连续相位CPFSK和离散相位DPFSK两种 MQAM：16QAM、32QAM、64QAM、128QAM OFDM：子载波数可任意选定，映射方式有BPSK、QPSK、4QAM、16QAM、32QAM、64QAM ,Digital communication system signal-signal analog modul
vhdl
- 本设计中应用硬件描述语言Verilog HDL描述相位累加器，相位调制器，正弦波、方波、三角波、心电波形四个独立的波形存储器，并描述频率控制、相位控字、幅度控制单元及波形切换等相关的功能单元。-Application of the design described in Verilog HDL hardware descr iption language phase accumulator, phase modulator, sine, square, triangle wave, the fo
MQG_PhaseUnwrap
- 用计算机模拟四步相移的数字全息图，并取得他的包裹相位-Computer simulation of the four-step phase shifting digital hologram, and made him the wrapped phase
Angle
- 用Matlab实现完美求相位和幅度，可用作标准函数-Seeking to use Matlab to achieve perfect phase and amplitude can be used as standard function
allpass
- 全通滤波器的相位补偿 全通滤波器的相位补偿-All-pass filter phase compensation of the all-pass filter phase compensation of the all-pass filter phase compensation
All_phase--FFT
- 全相位FFT（apFFT）时移相位差法多频测试程序，内置5种不同的频率，可以得到很精确的幅值、频率、相位估计，仿真时精度很高。-All phase FFT (apFFT) method when multi-frequency phase-shift test procedures, built-in 5 different frequencies, can be very precise amplitude, frequency, phase estimation, the simulatio
GHT1
- 该程序主要是比较对信号分别进行希尔伯特变换HT和广义希尔伯特变换GHT所得到瞬时相位的比较，结果证明GHT较HT对信号有较好抗噪特性，同时瞬时相位也可以用来重构信号，但主要起了指示的作用。-We can get instantaneous phase of the signal by HT or GHT，and the results prove that GHT has better noiseproof feature,namely robustness than HT.In the mea
apFFT
- 王兆华关于apFFT原理的一篇文章，写的很简单明了，方便大家更好理解全相位FFT-WangZhaoHua about apFFT principle of an article, written in very simple and clear, facilitate everybody better understand all phase FFT
EOrgan
- 正弦波，三角波，方波绘制图并发声，可根据频率，幅度，相位，生成声音和波形图-Sine wave, triangle wave, square wave drawing and sound, according to the frequency, amplitude, phase, generating sound and waveform graph
DFT5486135412
- 过采样近似完全重构 DFT 调制滤波器组的设计。首先,分析了传递函数和 混叠传递函数的性质，给出了因果 FIR DFT 调制滤波器组的系统延迟与线性相位 分析和综合原型滤波器阶数的关系。随后，过采样近似完全重构 DFT 调制滤波器 组的设计问题被描述为一个非凸优化问题。-Near perfect reconstruction oversampled DFT modulated filter design. First, the analysis of the transfer fun
fftmatlab
- matlab下图文并茂的分析了fft算法，分析了如何从频谱如何看频率，相位，幅值-Here to enter through the abundant of matlab analyzed fft, and analyzed from the frequency spectrum how to see that phase, should be translated text
fir-low-pass-filter-design
- 用矩形窗设计了一个FIR线性相位低通数字滤波器。截止频率0.5π，阶数为21阶。求出了系统函数并画出了幅频响应。-A rectangular window design with linear phase FIR low-pass digital filter. Cutoff frequency 0.5π, the order of 21 bands. Find the system function and plotted the amplitude-frequency response.
DAFXStudioSetup
- matlab编程代码：基于相位的音乐起点的检测-matlab English program first, i wavread the voice file and save it into a text file test.dat. then i fread it block by block and going through the processing. then i try to save the output x into result.dat and play the s
sscyd.rar
- 二阶数字谐振器的频率特性和滤波器的幅频特性和相位特性和预畸变在双线性变换中的作用,Second-order digital resonator frequency filter characteristics and amplitude-frequency characteristics and phase characteristics and pre-distortion in the bilinear transform the role of