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waveform_gen_latest.tar
- VHDL实现NCO与LUT(查找表) VHDL实现NCO与LUT(查找表)-VHDL realization of NCO and LUT (lookup table) VHDL Implementation NCO and LUT (lookup table)
cordic
- FPGA中数字信号发生器NCO用CORDIC实现产生正弦余弦-failed to translate
dac7513_DDS_7822
- 基于VHDL的NCO利用DAC7513产生sin或cos 的代码-DAC7513 VHDL NCO
New-folder
- VHDL codes for booth , nco and some more
DDC.m
- 一個有關於數值控制震盪器(NCO)的檔案,用Matlab的Simulink開啟即可-.-a shaker on the numerical control (NCO) files, Matlab Simulink can be opened.
nco_dds_ep_1_003_1
- gives descr iption about nco and dds
Numberical-Controlled-Oscillator
- 数控振荡器的设计,实验中用到的所有完整的工程文件在test8文件夹下。完整的工程文件包含: accumulator_precision.mdl frequency_resolution.mdl generating_a_ramp.mdl lutdepth_cost_a.mdl lutdepth_cost_b.mdl lutdepth_cost_c.mdl sine_wave.mdl sine_wave_iir.mdl sine_wave_ii
nco
- 基于FPGA的压控震荡器,可以通过震荡器来对输入信号进行有效的分频,而且是任意的分频系数都可以-FPGA-based VCO oscillator input signal, the effective frequency division and any sub-frequency coefficients can be
DDS
- NCO 数字压控振荡器的MATLAB仿真程序 程序包含2中模拟NCO的方法 其中第二种方法使用CORDIC算法产生 基准频率信号-The NCO digital voltage-controlled oscillator, the MATLAB simulation program program contains 2 to simulate the NCO in which the second method uses the CORDIC algorithm to generat
DE2_NIOS_II_IRQ_BUTTON_2012
- 基于按键中断控制NCO核的输出频率,在quartus II中仿真通过-Based on the key interrupt control the output frequency of the NCO core, through simulation in quartus II
CarrierNco
- ISE12.3环境下编写的载波NCO的产生程序,进行扩频通信或者卫星导航研究的同学可以参考-ISE12.3 environment prepared by the carrier NCO generator, spread spectrum communication or satellite navigation research students can refer
Code_NCO.zip
- 码数控振荡器相位累加器的位数N为32,利用verilog HDL语言在Quartus II 9.1中具体实现了载波和码NCO的设计。,The code numerically controlled oscillator phase accumulator bits N 32 verilog HDL language in the concrete realization of the design of the carrier and code NCO Quartus II 9.1.
DDC_FPGA
- 基于FPGA的数字下变频器(DDC)的设计,将采样得到的高速率信号变成低速率基带信号,以便进行下一步的信号处理。由NCO、数字混频器、低通滤波器和抽取滤波器四个模块组成。采用自编的加法树乘法器,提高乘法运算效率。-Design based on FPGA digital downconverter (DDC), the high-speed signal will be sampled baseband signal into a low rate for the next step in th
NCO_Test
- 代码是对通信中的NCO模块的仿真,基于QUARTUSII9.0软件,代码编译成功,并且功能仿真已经实现-Code NCO module communication the simulation, based QUARTUSII9.0 software, code compiled successfully, and the functional simulation has been achieved
Gps_c_code_nco
- 在GPS接收机本地NCO及CA码产生,生成超前码,即时码和滞后码。-generate NCO and ca coce in gps receiver,generate E_P_L code.
cordic1
- cordic硬件实现,主要是实现正余弦,也可以用作NCO混频中,实现解调功能-failed to translate
NCO
- 指输出频率与输入控制电压有对应关系的振荡电路(VCO),频率是输入信号电压的函数的振荡器VCO,振荡器的工作状态或振荡回路的元件参数受输入控制电压的控制,就可构成一个压控振荡器。-Refers to the output frequency and input voltage control oscillation (VCO) circuits, corresponding relationship with frequency is a function of the input signal
VHDL_Code
- 描写nco的完整程序,采用很简介的算法,对大家应该很有用-The complete program descr iption nco, using a very brief introduction of the algorithm, we should be very useful
FPGA_trainning2013A
- 在EDA实验课上面,自己编写的NCO程序,可以产生出比较真实的正弦波、三角波以及锯齿波,用VHDL程序编写,有modelsim仿真textbench程序-On EDA experiment, oneself write the NCO program, can produce more real sine wave, triangular wave and sawtooth wave with VHDL programming, have the modelsim simulation text
ca_code
- nco的产生原理的相关代码;软件无线电、直接数据频 率合成器(DDS,Direct digital synthesizer)、快速傅立叶变换(FFT,Fast Fourier Transform) 等的重要组成部分,同时也是决定其性能的主要因素之一,用于产生可控的正弦波或余弦波。随着芯片集成度的提高、在信号 处理、数字通信领域、调制解调、变频调速、制导控制、电力电子等方面得到越来越广泛的应用-nco the generation principle of the relevant code s