搜索资源列表
fpga
- VHDL写的fpga程序,可产生三角波,方波据此波,正弦波,可实现任意频偏的调频,调相,调幅-Fpga write VHDL program can generate triangle wave, square wave accordingly wave, sine wave, can achieve any frequency offset of the FM, PM, AM
fpga-fpdpsk
- FSK/PSK调制顶层文件 ,正弦波模块 ,正弦波模块初始化文件 ,振幅调整及波形选择模块 ,频率显示值地址产生模块 ,频率步进键核心模块 ,弹跳消除电路-FSK/PSK modulation top-level documents, sine-wave modules, module initialization file sine wave, amplitude adjustment and waveform selection module, the freque
16
- dds应用主要产生正弦波形,可以自己稍加修改即可-dds applications arising primarily from the sinusoidal waveform, can be slightly modified
sin125
- 用FPGA实现DDS的信号发生器(正弦波125kHz)-Using FPGA to achieve DDS signal generator (sine wave 125kHz)
jiyuVHDLyuyandehanshuxinghaofashengqi
- 好用的函数信号发生器,能产生多种波形,例如,正弦波,方波,锯齿波,阶梯波。-Useful function signal generator, can produce a variety of waveforms, for example, sine wave, square wave, sawtooth, wave ladder.
high_speed_tap8_DDS
- 用verilog编写的高速8路并行dds模块,用于与高速da(1ghz或以上)接口产生任意频率正弦波,模块已经经过工程验证,用于产品中。-Verilog prepared with high-speed 8-way parallel dds modules for use with high-speed da (1ghz or above) interface have any frequency sine wave, the module has been proof for the prod
VHDL
- 能够产生方波、三角波、正弦波、及阶梯波,并且可以通过选择开关选择相应的频率输出和波形输出;通过按键确定输出的波形及确定是否输出波形.-Able to generate square wave, triangle wave, sine wave, and wave ladder, and can select the appropriate choice of switching frequency output and the waveform output through the keys
freqm
- 以CPLD器件EPM7128SLC84-15为核心实现的简易数字频率计,采用在一定时间内对数字脉冲计数的方法,可直接测量TTL电平的数字脉冲信号的频率、周期和脉宽。其他一些信号可经过信号预处理电路变换后测量。 量程:1Hz~999999Hz 输入信号:(1)TTL电平数字脉冲信号;(2)方波/正弦波,幅度0.5~5V 显示:七段数码管显示频率(Hz)和周期/脉宽(us) 控制:两个拨码开关切换三种工作模式:测频率,测周期,测脉宽-Frequency Counter realize
signal_generator
- 基于vhdl的多功能函数信号发生器的设计,能实现三角波、方波、正弦波。-VHDL-based multi-function signal generator design, can achieve the triangular wave, square wave, sine wave.
Sine
- 正弦波发生器,可以让大家学习正弦多种产生方法,可以设计具体电路-Sine wave generator, allowing them to learn the method for multiple sinusoidal, can design a specific circuit
filter
- 数控振荡器用于产生可控的正弦波或余弦波。其实现的方法是查表法-CNC controlled oscillator used to generate the sine or cosine wave. Approach is the realization of look-up table method
vhdl
- 信号与线性系统的时频域分析:观测已知方波信号、正弦波信号的频谱;观测实时模拟信号的频谱;加深理解时域周期信号的各频率分量在振幅频谱图上所占的比重;观测相位在波形合成中的作用;LTI系统的频域分析,LTI系统对周期性输入信号的响应。-Signals and linear systems with time-frequency domain analysis: observation known square wave signal, sine wave signal spectrum obser
DDSckkc
- 以把直接数字频率合成(DDS)看成这样一种技术,它能用数字值形式的信号控制正弦波的频率。最简单的DDS电路包括一个二进制计数器,一个以等间隔正弦波值进行全波编程的ROM,以及一个数模转换器,用于将存储的正弦波值转换为电压。计数器的时钟频率决定了正弦波的频率,但这 -To the Direct Digital Synthesis (DDS) as such a technology, it can use the digital value of the form of the frequen
wave_generator
- 基于cycloneII的信号发生器,产生正弦波、方波、三角波,人机界面十分友好,可方便地进行波形切换-CycloneII based on the signal generator to produce sine wave, square wave, triangle wave, a very friendly man-machine interface can be easily switched waveform
dds
- fpga利用dds原理,产生正弦波,简单实用,成本低-fpga using dds principle, have a sine wave
FPGArealiztionofdigitalsignalprocessing
- 数字信号处理FPGA实现 实用程序和文件,有sine.exe ---输入宽度。输出对应的正弦波表 mif文件 csd.exe --- 寻找整数和分数的标准有符号数字量(canonical signed digit ,CSD)表达式程序 fpinv.exe --- 倒数计算浮点数表的程序 dagen.exe ---分布式算法文件生成HDL" onclick="tagshow(event)" class="t_tag">VHD
1024
- 用C写的mif文件正弦波数据文件,很好用的数据哦-Written by C sine wave data file mif file
vhld_fpga_box
- Verilog 编写的波形发生器,可发生正弦波,三角波,方波,可以调频-Prepared Verilog waveform generator, can occur sine, triangle wave, square wave, you can FM
example10
- 利用直接数值合成 DDS 原理驱动 dac0832 实现正弦波输出。 输出可以通过示波器观察。-The use of direct numerical synthesis of theory-driven dac0832 achieve DDS sine wave output. Output can be observed through the oscilloscope.
DDS
- 采用DDS实现数字信号发生器, 时钟频率为100MHz,可输出1K到10M的正弦波-use Direct Digital Synthesizer realize SINA wave