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jidashirandituicanshuguji
- v(k)随机信号,输入信号为幅值为M序列程序.利用极大似然递推进行参数辨识,文件的*m文件,可以直接运行,能直接辨识出参数,绘制误差曲线等,程序中带有详细注释。-v (k) random signal, the input signal amplitude for the M series for the process. the use of recursive maximum likelihood parameter identification, documentation* m file
fre
- vhdl语言对信号的频率进行计算,可以精确到1hz,输入幅值为1v-vhdl language to calculate the frequency of the signal can be accurate to 1hz, input amplitude for the 1v
QX
- 函数发生器。能够产生方波、正锯齿波、负锯齿波、三角波、阶梯波,幅值可以调节。-Function generator. Able to generate square wave, sawtooth wave is negative sawtooth, triangle wave, ladder wave amplitude can be adjusted.
DAC
- 频率、幅度、占空比可调方波,有proteus仿真,可通过示波器查看,按键 12调整频率 34调整幅值 56调整占空比 -Frequency, amplitude, variable duty cycle square wave, and proteus simulation, can be read through the oscilloscope, adjust the frequency of 34 keys 12 to adjust the amplitude to adjust th
maichongceliang
- 对于已获得的脉冲包络采样序列,需测量的脉冲特征参数主要有:脉冲幅值(PA)、脉冲到达时间(TOA)和脉冲宽度(PW)。实际测量中,脉冲波形的形状是各种各样的,但其主要的参数有脉冲幅度、脉冲宽度、脉冲周期、脉冲占空比、脉冲前沿(上升时间)、脉冲后沿(下降时间)、脉冲上冲、脉冲下冲、脉冲下垂、脉冲顶部不平度等,脉冲参数的计量主要就是对这些参数进行计量。本程序包实现基于FPGA实现脉冲宽度和重复周期的测量。-Who have access to the pulse envelope sample se
Studyonultrasonictransducerwithwide
- :提出了一种新型的双层压电结构超声波传感器,借助于移相电容器的移相作用,改变各压电层的 激励电压的幅值和相位,实现对传感器频率特性的控制,从而得到了具有宽频带高效率的超声波传感器,为研究宽带高效超声波传感器探索了一条新的途径-: A novel two-layer structure of piezoelectric ultrasonic sensors, by means of phase-shifting phase-shifting the role of capacitors, pi
fm_gui_v2
- 基于傅立叶-梅林变换的matlab编写的配准系统,运行fm_gui.m后即出现演示界面,左侧的两个图形框选择待配准的两幅图像,图像可以进行缩放旋转变换。右侧的列表框"Window"下可以选择滤波窗,"Rotation"、"Scale"、"Log-polar"可分别选择旋转、缩放、以及对数极坐标变换所用的插值方法,按键"REGISTER"下的滑动 键可选备选的峰值点总数,点击"REGISTER"按键, 对应的下方图形框即显示配准后的两幅图像,最下方的"Translation"、"Rotat
FenqMeasure
- c8051F120一个应用程序,测量输入信号的幅值,和频率,其中设计AD,CP0,交叉开关,系统时钟等的应用。-c8051F120 an application, measurement of the input signal amplitude, and frequency, of which the design of AD, CP0, cross switches, such as the application of the system clock.
bianmakaoguan
- 针对三个引脚的编码开关,用于数字示波器等仪器中,用于调节幅值及扫描频率-Coding for the three-pin switch for use in equipment such as digital oscilloscope, for regulating the amplitude and frequency scanning
VCAdaptive
- 一个自适应灰度幅值的边缘检测代码VC,用word编辑保存的-Gray of the amplitude of an adaptive edge detection code VC, use word to edit saved
triapf1
- 基于单位功率因数控制策略的三相全控整流。开关器件采用IGBT。PWM波形产生控制电路里使用的饱和限制模块,就是限制波形的幅度的,对输出直流电压幅值影响很大。-Based on the unity power factor control strategy of three-phase full-controlled rectifier. Switching device IGBT. PWM waveform generator control circuit in the saturation
4
- 基于梯度幅值的自适应边缘检测算法,实现灰度图像边缘提取。-Gradient-based adaptive amplitude of the edge detection algorithm to achieve gray-scale image edge extraction.
boxingfashengqi
- 可以产生以下波形:方波、正弦波、三角波、锯齿波,且幅值电压:0V到5V-To generate the following waveforms: square wave, sine wave, triangle wave, sawtooth wave, and the amplitude voltage: 0V to 5V
cpgnhsfsq
- 测频功能的函数信号发生器,详细的介绍。熟悉示波器、信号发生器、稳压电源及晶体管毫伏表的正确使用,重点要求学会使用示波器观测信号波形、幅值、占空比及放大器的频响特性。-A function of frequency measurement function signal generator
design
- 介绍了DDS(直接数字频率合成)基本原理,提出以DDS芯片AD9850为核心、利用单片 机控制辅以必要的外围电路,构成一个输出波形稳定、精度较高的信号发生器。该信号发生器主要能 产生幅度和频率分别可调的正弦波、方波与三角波。实验结果表明,硬件电路结构简单,输出信号频 率稳定率优于10 - 3 ,幅值误差低于5 。 关键词: DDS 集成芯片 AD9850 信号发生-Describes the DDS (direct digital frequency synthesis) bas
AD9832AND8402
- 程序可用于产生幅值和频率可变的正弦波,本人测试成功!-Used for generate sine which can change the frequency and amplitude
Question4_6
- 可视化编程 在C语言环境下 实现一圆沿着正弦曲线运动 随着幅值的增加 改变大小 变换颜色-Visual programming in C language environment to achieve a circular motion along a sine curve with the increase in amplitude changes in the size of the color change
EVMv1.0
- 信号幅值归一化EVM信号计算,输入信号为无失真参考I/Q信号和观测到的失真I/Q信号-signal magnitude normalization EVM compensate calculation
dream
- c52波形发射器,可产生三角波,方波,正弦波,锯齿波,频率,幅值可调-c52 wave transmitter, can produce triangle wave, square wave, sine wave, sawtooth wave, frequency, amplitude adjustable
esprit
- 跟prony算法一样,ESPRIT(Estimation of Signal Parameters Via Rotational Invariance Techniques)也是一种参数法,它是一种基于旋转不变技术参数估计的信号处理方法,此方法可以高精度地辨识电力系统中任意组合的衰减/非衰减正弦信号的频率,相位及其幅值等信息。它不需要对信号进行同步采样。此方法把信号空间分解为信号子空间和噪声子空间,能够在较短的信号长度内准确的检测出信号中各个谐波和间谐波成分。-ESPRIT