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2006-9-21PanWeicaiDDS
- 这是一个DDS程序,用VHDL编写,实现的是一个频率可调的方波-This is a DDS procedures, using VHDL prepared achieve is a frequency adjustable square
modulation
- 实现函数信号发生器功能 可采用调频、调幅等方式对信号调制并有图形。复制和频率在一定范围内连续可调。-Function can be used to achieve the function signal generator FM, AM, etc. on the signal modulation and a graphic. Copy and frequency adjustable within a certain range.
dsb-am
- 使用MATLAB对DSB-AM进行仿真：双边带幅度调制的过程以及对其中所包含的对信号的频谱分析都可以通过MATLAB中的M语句及相关函数来实现。假如信号m(t)=cos(m)以dsb-am方式调制载波c(t)=cos(20*pi*t),所的信号为y(t)，并将采样频率定为 fs=100Hz,则可在MATLAB中设计程序对该幅度调制的结果进行仿真，绘制已调信号波形和频谱分析。-It is a example for DSB-AM based on MATLAB .
DDS_Signal
- 基于SPACE061A凌阳单片机的DDS信号发生器，频率 幅度 可调-Based on SPACE061A Sunplus the DDS signal generator, frequency, amplitude adjustable
eqep_freqcal
- 本程序在CCS环境中实现了PWM1和PWM2不同的频率及其站空比可调的输出-This procedure is implemented in the CCS environment, PWM1 and PWM2 of different frequencies and stop air ratio adjustable output
pluse
- 发送两个频段的脉冲 个数和频率均可调 发送两个频段的脉冲 个数和频率均可调-pluse and adjust the width of pluse pluse and adjust the width of pluse
beamforming_simulate_renyi_dianyuan
- 自编 点源 对于任意间距线阵的波束成形仿真程序 频率、阵元数量、主波束方向可调-Self point source for any interval linear frequency beam forming simulation program, the number of array elements, the main beam direction adjustable
dds
- 本程序主要用于DDS算法的验证,可以生成正弦波，占空比可调的方波，三角波；其中频率控制字可调，生成波形的频率也可调。-This procedure is mainly used for verification DDS algorithm, can generate sine wave with adjustable duty cycle square wave, triangle wave including adjustable frequency control word to gene
sdgsdfggg
- 模拟简单信号发生器，正弦波，方波，三角波。可调频率与幅度-Simulation of a simple signal generator, sine wave, square wave, triangle wave. Adjustable frequency and amplitude
DDS
- VHDL DDS 采用FPGA实现1hz到100khz可调的dds程序,频率调节步长是变化的。-Using FPGA 1hz to 100khz adjustable, dds program, the frequency adjustment step change.
Chaos
- 混沌摆, 摆长9.8m, 重力加速度9.8m/s2, 初始角位移0.2rad, 初始角速度0rad/s, 阻尼系数1/2, 驱动频率2/3rad/s, 驱动力可调-chaotic pendulum
iir
- iir数字滤波器低通带通的MATLAB程序，可以对各种加入白噪声的波形进行滤波，并可调正滤波频率范围(Various digital filter MATLAB program, you can add a variety of white noise waveform filtering, and can adjust the frequency range of positive filtering)
Weak signal detection
- 针对强噪声背景中弱信号检测问题，在传统检测方法基础上，提出了基于联合去噪和频率调制的微弱信号检测方法。搭建自相关和小波阈值变换联合去噪系统，极大程度抑制了噪声对检测结果的不利影响。利用频率可调标准信号调制待测信号频率，使得被测信号与检测系统策动力信号的频率差满足检测条件，打破了利用Ｄｕｆｆｉｎｇ 振子检测系统只能检测与系统策动力频率相近信号的限制。(In order to solve the problem of weak signal detection in strong noise bac
电机主程序
- 变频调速是改变电动机定子电源的频率，从而改变其同步转速的调速方法。变频调速系统主要设备是提供变频电源的变频器，变频器可分成交流-直流-交流变频器和交流-交流变频器两大类，目前国内大都使用交-直-交变频器。(Variable frequency speed regulation is the frequency of changing the stator power supply of the motor, thus changing the speed regulation method of
cascaded FWM in fiber cavity
- 在光纤环形腔中经过级联四波混频产生光频率梳，梳齿频率间隔可调，光纤环形腔中不同模块色散，非线性系数可调。(Optical frequency comb are generated in the fiber cavity by the process of cascaded four wave mixing.)