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Proteus-signal-productor
- 信号发生器又称信号源或振荡器,在生产实践和科技领域中有着广泛的应用。能够产生多种波形,如三角波、锯齿波、矩形波(含方波)、正弦波的电路被称为函数信号发生器,其频率范围可从几个微赫到几十兆赫,除供通信、仪表和自动控制系统测试用外,还广泛用于其他非电测量领域。-Signal generator, also known as source or oscillator, in the field of production practices and technologies widely used.
Signal
- 基于51单片机的信号发生器,可输出三角波、方波、正弦波,且频率及幅值可调,暑假比赛时写的,原创--转载请说明-51 microcontroller based signal generator can output triangle wave, square wave, sine wave, and the frequency and amplitude adjustable, summer writing competition, original- reproduced please spe
chengxu-(6)
- 正弦信号的时频特性由振幅、角频率和初相位三个量确定,此程序是正弦信号时域波形的绘制-Sinusoidal signal from the time-frequency characteristics of amplitude, frequency and initial phase angle to determine three quantities, this procedure is time-domain sinusoidal signal waveform drawing
LAB
- 从均匀PCM方法入手,产生一振幅为1和频率ω=1的正弦信号,分别用8电平和16电平进行量化,在同一坐标轴上绘出原信号和以量化信号,并比较这两种情况下的信号/量化噪声比-Starting from the uniform PCM method to produce a 1 amplitude and frequency ω = 1 of the sinusoidal signal, respectively, with 8 levels and 16 levels were quantified
sinfapm
- 采样正弦信号的振幅、频率、相位和均值,应用Z变换。-Amplitude, frequency, phase and mean value of sampled sine wave,take the application of Z-transform.
DA
- 利用DAC0832的单片机输出正弦波信号,高精度,频率、幅度可调 -DAC0832 microcontroller using the output sine wave signal, high precision, frequency, amplitude adjustable
SG_FPGA
- 2006年电子设计竞赛二等奖,多功能函数、信号发生器核心器件FPGA内部的原理图,主要模块用VHDL代码描述,包括PLL、相位累加器、波形算法和正弦波查找表,可实现0.005Hz~20MHz的多波形信号产生,频率步进值0.005,输出接100MSPS速率的DAC--AD9762-Electronic Design Competition 2006, second prize, multi-function signal generator within the core of the devic
xhfasq
- 基于TLC5620和51单片机实现简单的信号发生器,可以调节方波,三角波的频率幅度,正弦波频率可调,幅度有两个档位。-51 MCU based TLC5620 and simple signal generator can adjust the square wave, triangle wave frequency range, adjustable sine wave frequency, amplitude has two stalls.
func_generator
- 一种可调频率的正弦信号发生器的vhdl实现,含测试文件-An adjustable frequency sinusoidal signal generator vhdl implementation, including the test file
a3_20
- 用root—music方法计算正弦信号的频率估计-root-music
delphi-soundcard-frequency-
- 控制声卡按照一定频率,音量发声,是个正弦信号-Control the sound card in accordance with a certain frequency, sound volume, is a sinusoidal signal
vcPP
- VC++设计图用集成信号发生节点产生正弦波,设信号频率为60,采样频率为1000,采样点数为50-VC++ design with integrated signal node generates a sine wave signal frequency set at 60, the sampling frequency of 1000, 50 sampling points
signal
- 产生一个随机信号和两个不同频率但频率间隔很小的正弦信号,要求对两信号之和进行如下分析: (1) 求该随机信号的自相关性系数、自相关函数,画出对应的图形; (2) 利用不同的参数建模方法求出两个随机信号的功率谱; (3) 利用极大似然估计、递推最小二乘法等常用的参数估计方法估计所建模型,包括AR模型、MA模型和ARMA模型的的参数,阶次自定;并与Matlab工具箱里的一些建模函数的运算结果进行比较; (4) 利用陷波滤波和MUSIC滤波方法对该信号的频谱进行估计; (5) 利
wavelet-transform-
- 信号由三个频率分别为0.01,0.1,0.2的正弦信号组成。 (1)作信号的连续小波变换。 (2)自己选择小波基数,对信号进行多尺度分解,将每一个正弦信号分开。 (3)重建原信号。 -Signal from the three frequencies were 0.01,0.1,0.2 sinusoidal signals. (1) continuous wavelet transform for signal. (2) choose the wavelet base
Power-spectrum-estimation
- 信号时正弦波加正态零均值白噪声,信噪比10db,信号频率2kHZ,采样频率100kHZ,数据长度N=256。 (1). 用周期图法进行谱估计。-Sine wave signal plus zero-mean normal white noise, SNR 10db, frequency 2kHZ, sampling frequency 100kHZ, data length N = 256. (1) with the periodogram spectral estimation.
pinglvji
- 硬件电路主要分为信号转换电路、分频电路、数据选择电路、单片机系统和显示电路五部分。 电平转换电路: 电平转换电路的必要性:因为在单片机计数中只能对脉冲波进行计数,而实际中需要测量的频率的信号是多种多样的,有脉冲波,还有可能有正弦波、三角波等,所以需要一个电路把待测信号可以进行计数的脉冲波。 通过电平转化电路将正弦输入信号fx整形成同频率方波fo,要将正弦信号转换成方波信号可以用过零比较电路实现。正弦信号通过LM833N与零电平比较,电压大于零的时候输出LM833N的正电源+5V
LPC2138xinhaofashengqi
- 针对低频信号源进行设计,设计以LPC2138为控制芯片,探索研究了低频信号发生器的原理和应用,设计输出频率及幅度可调,频率范围为1HZ~50KHZ的正弦波、方波、三角波、调幅波、调频波及其复合波信号,具有信号频率、波形、幅度变化容易,硬件简单可靠等特点的多功能信号源-Design, design for low-frequency signal source to LPC2138 controller chip, and explore the principles and applicatio
dtmf
- 由两个不同频率的正弦信号构成dtmf信号,然后根据dtmf信号的频谱检测出dtmf信号-The signal of dtmf is generated and detected
DDS
- dds数字频率合成器,可用来产生不同频率的正弦波形用作正弦信号发生器-dds Can be used to generate the sine wave of different frequencies
ExpSin
- MyExpSin产生一个幅值为 5,频率为20Hz,衰减系数为-10 的指数衰减正弦信号-MyExpSin produce a amplitude for 5, frequency of 20 Hz, attenuation coefficient for-10 index sine signal attenuation