搜索资源列表
DDS_Power
- FPGA上的VERILOG语言编程。通过查找表实现直接数字频率合成。在主控部分通过键盘选择正弦波,方波,三角波,斜波,以及四种波形的任意两种的叠加,以及四种波形的叠加;通过控制频率控制字C的大小,以控制输出波形频率,实现1Hz的微调;通过地址变换实现波形相位256级可调;通过DAC0832使波形幅值256级可调;通过FPGA内部RAM实现波形存储回放;并实现了每秒100HZ扫频。-FPGA on the verilog language programming. Lookup table thr
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
ASK_modulator
- 振幅键控ASK的调制解调Verilog实现,带测试文件-ASK amplitude shift keying modulation and demodulation Verilog implementation, with the test file
custom_cordic
- verilog编程开发的cordic例程,计算SIN,COS功能与计算幅值角度功能可设定,运算宽度可设定,并有完善的TESTBENCH。-Verilog programming developed CORDIC routines to calculate SIN, COS function and calculating the amplitude of the perspective of function can be set, computing the width can be set,
complete
- 基于Verilog写的测信号频率和幅度得程序,可用-Written in Verilog-based test signal frequency and amplitude were procedures, can be used
83390078DDS
- DDS的工作原理是以数控振荡器的方式产生频率、相位可控制的正弦波。电路一般包括基准时钟、频率累加器、相位累加器、幅度/相位转换电路、D/A转换器和低通滤波器(LPF)。频率累加器对输入信号进行累加运算,产生频率控制数据X(frequency data或相位步进量)。相位累加器由N位全加器和N位累加寄存器级联而成,对代表频率的2进制码进行累加运算,是典型的反馈电路,产生累加结果Y。幅度/相位转换电路实质上是一个波形寄存器,以供查表使用。读出的数据送入D/A转换器和低通滤波器。-DDS works
examples
- 二进制差分编码解码,二进制差分相移键控二进制幅移键控,二进制相移键控,二进制频移键控最小频移键控的调制与解调-Differential encoding and decoding binary, binary differential phase shift keying binary amplitude shift keying, BPSK, binary frequency shift keying Minimum Shift Keying modulation and demodulati
Average
- 利用ISE软件编写的求平均数的verilog程序,可以用来求平均数,用来对信号幅度的平均值进行计算-ISE software written request using the average of the verilog program can be used to seek the average used to calculate the average amplitude of the signal
top
- PLD大赛 扫频仪的verilog源码,实现了数字鉴幅鉴相功能,很有参考价值-PLD Series Sweep of the verilog source code, to achieve the digital Kam amplitude phase function, a good reference
DDS-frequency-synthesizer
- 本文主要讨论了Verilog语言的基于DDS的波形发生器的设计。从设计要求入手,本文给出了DDS的详细设计过程,包括各个模块的设计思想,电路图,Verilog语言程序代码。其大致思想为通过频率控制字和相位控制字去控制正弦函数的ROM存储表的地址并对应着得到其幅度值,最终达到输出需要波形的目的。-This paper mainly discusses the design of the Verilog language, the DDS-based waveform generator. Star
gwnseq
- verilog产生高斯白噪声,gwn_en信号产生使能,gdata是幅度服从高斯分布,功率谱密度为定值的高斯白噪声序列,共10位(现实中只能够做到带限,跟dac输出带宽有关,我的系统只能做到300kHz)-verilog Gaussian white noise, gwn_en signal enabled, gdata amplitude Gaussian distribution, power spectral density of white Gaussian noise sequence
11-Verilogblock
- verilog 阻塞幅值和非阻塞赋值的区别讲的不错,可用看看,对初学者很有帮助。-Verilog blocking amplitude and non-blocking assignment about the difference between a good, can be used to see, is very helpful for beginners.
DDS
- 基于fpga的DDS详细设计方案 verilog语言 正弦计算器则对该相位值计算数字化正弦波幅度(芯片一般通过查表得到)。DDS芯片输出的一般是数字化的正弦波,因此还需经过高速D/A转换器和低通滤波器才能得到一个可用的模拟频率信号。-Direct Digital Synthesizer base on fpga use verilog Sine calculator to calculate the value of the digital phase sine wave amplitu
WorkOneBetaC
- 低频数字相位测量仪 Verilog源代码 经过实测可用 信号频率20Hz-20KHz,步进20Hz 幅值0-5V,步进40mV。-Verilog code Through the measured signal frequency available 20 hz- 20 KHZ, step 20 hz Amplitude 0 to 5 v, stepping 40 mv.
ASK_two
- 幅度键控调制是数字调制中 最为基本调制方式之一,这里的 文件是幅度键控调制的FPGA Verilog 文件-Amplitude shift keying modulation is one of the most basic digital modulation modulation, where the file is amplitude shift keying modulation FPGA Verilog file
dds_generater
- 波形发生器,可以生成正弦波、三角波、方波、锯齿波;可以选择输出频率和幅度,基于DDS设计,verilog和QuartusII开发-Waveform generator can generate sine, triangle, square wave, sawtooth wave you can the output frequency and amplitude, DDS-based design, verilog and development QuartusII
cic_design
- 采用CIC(级联积分梳状)滤波器实现降采样的功能,并分析了级联级数、差分延时数对CIC滤波器幅频响应的影响;采用Verilog语言实现了CIC滤波及降采样的功能;-Using CIC (Cascaded Integrator Comb) filter down-sampling function, and analyzes cascaded stages, affecting the number of differential delay CIC filter amplitude-freque
ADC_Data_Recv_Module
- 接收机测试输入信号, 生成正余弦波,采样率、频率、幅度、相位可调节 并将生成的数据进行输出 压缩包包括Verilog代码、testbench代码、word文档 matlab仿真代码(The receiver tests the input signal, Generation of positive cosine wave, sampling rate, frequency, amplitude, phase can be adjusted And output the generated da