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dds
- 此为基于ARM7编写的,采用周立功LPC2131系列ARM编写,用的是C语言,实现的是DDS AD9850 正弦波产生,晶振(参考频率)为PWM6产生,外围电路参照有关电路,不管何总都一样.
DAC
- 通过TMS320F2812控制DAC7625,实现四通道同时输出标准的50Hz正弦波,三角波,方波和直流,在一顶的范围内,实现频率可调.-TMS320F2812 control through the DAC7625, the realization of the standard four-channel output of the 50Hz sine wave, triangle wave, square wave and DC, one in the framework of the re
300-C51B
- 300个原创程序之C51第二部分 12864显示模块 2005 CCTV ROBOT 2005 CCTV_N 2005电子设计竞赛 2006 CCTV ROBOT 4X4键盘 8253频率计 8人表决器 AD9850DDS AD9851DDS DS1820 EX-board I2C总线驱动程序 LED电子钟 PS2接口 TC1297 Test USB_IDE 串口摸拟 冲床自动进料控制 冷光源调光 基于51内
yuping
- 分析了噪声背景下实谐波过程ARMA模型系数之间的对称性,并以此为约束条件加入ARMA谱估计方法的求解过程中,从而提出了一种改进的正弦信号频率估计方法.理论分析与计算机仿真表明,对于低信噪比条件下的正弦信号参量估计,这一算法的精度与稳定性都优于仅使用总体最小二乘法(SVD-TLS)的ARMA谱估计方法.-Analysis of real harmonic process noise background symmetry between ARMA model coefficients, and a
dds9850
- dds9850产生100k的正弦波，也可改变频率，最大输出频率为40M-dds9850 generate 100k of the sine wave, can also change the frequency, the maximum output frequency is 40M
ad9850
- AD9850内含可编程DDS系统和高速比较器，能实现全数字编程控制的频率合成,信号发生器具有输出频率范围宽，可以输出正弦和方波两种波形，51代码-AD9850 DDS system and includes a programmable high-speed comparator, to achieve all-digital programming control of the frequency synthesizer, the signal generator has an output
DDS(AD9851)
- 采用MSP430F149单片机用串行方式控制AD9851产生任意频率的正弦波。-MSP430F149 microcontroller using the serial mode control AD9851 generate any frequency sine wave.
sky_adc_pwm
- (msp430g2553)正弦信号，一方面被adc采集获取其幅度信息，另一方面经比较器变成方波，经Timer捕获获取其频率，然后控制SPWM信号的频率与幅度，使输入与输出同幅同频变化。-(Msp430g2553) sinusoidal signal, on the one hand is to get its amplitude information collected adc, on the other hand by the comparator into a square wave, c
STM32_DAC8571
- 基于stm32单片机实现对芯片DAC8571控制，输出频率可调的正弦波，经试验调试，效果显著。-Stm32 based MCU chip DAC8571 control, adjustable frequency sine wave output, the test and commissioning, the effect is significant.
自带三角波发生器产生三角波
- 能够通过单片机产生任意频率的三角波和正弦波(Through the microcontroller to generate arbitrary frequency triangle wave and sine wave)