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LabVIEW-paper
- 09年上交大的硕士论文 本论文作者在对风电场监控系统进行实际调研后,以美国 GE 公司的1.5MW 变速变桨距双馈异步风力发电机组为例做为被监测对象,应用 美国国家仪器公司 NI(National Instruments Corporation)虚拟仪器技术 和 LabVIEW8.5 作为软件平台,尝试开发大型风力发电机组旋转机械状 态监测系统,并根据风力发电机组和风电场远程监控的特征,对监测系 统的通信方式进行分析比较后,选择通信方案。监测系统的目的是对采 集的振动信号
experiment_1
- 若采样周期为,求采样后的离散时间信号;又设A/D变换的量化步长为 ,求量化后的数字信号,并绘出曲线。-If the sampling cycle is, evaluates to the sampled discrete-time signal Suppose the quantization step size for the A/D conversion, seeking the digital signal after the quantization, and plotted curv
HHT-CODE
- 画出每个IMF分量及最后一个剩余分量residual的图形 画出每个IMF分量及剩余分量residual的幅频曲线 用Hilbert变换直接求该信号的瞬时频率 计算HHT时频谱和边际谱-Draw each IMF component and the last one remaining residual component graphics draw each IMF component and the amplitude of the remaining component of the r
smooth
- 本程序基于滑动窗口可以实现对一维曲线平滑及降噪,根据有用信号的频率,选取合适的窗口宽度。-This procedure can be achieved based on the sliding window, select the appropriate window width of one-dimensional curve smoothing and noise reduction, according to the frequency of the desired signal.
10
- 1、给实验一所用的声音信号在100Hz、500Hz和900Hz处分别加上一个幅值为1的正弦噪声,并画出加噪前的声音信号时域曲线与频谱分布及加噪后信号的时域曲线与频谱分布; 2、设计三个IIR数字滤波器,分别滤除100Hz、500Hz和900Hz三个噪声信号; 3、画出滤波后声音信号的时域曲线与频谱分布; 4、画出滤波前与滤波后两信号的误差曲线。 -matlab sound signal plus noise denoising
bianshi
- 输入信号为PRBS,用基本最小二乘法进行系统辨识,输出系统模型图像和误差曲线。-The input signal is a PRBS, the basic method of least squares system identification, the model image and error curve of the output system.
DPSKmatlab
- 将2,4,8进制的DPSK信号的误码率曲线进行仿真,并将其放在一个图中进行对比-2,4,8-ary DPSK signal simulation BER curves, and placed in a graph comparing
pinsanquxian
- 基于频散曲线,选择抽样脉冲信号作为子波,推导出了合成单炮面波地震记录的理 论公式,并利用该公式,针对不同弹性层状介质模型的频散曲线合成了面波地震记录。-Based on the dispersion curve, select the sampling pulse signal wavelet derived synthetic single artillery surface wave seismogram theoretical formulas, and the use of the
simplefilter
- 一阶滤波器频响、群延迟曲线和零极点的Z变换坐标,是数字信号处理的基础教案。-The first-order filter frequency response, group delay curve and pole-zero Z transform coordinates, digital signal processing based lesson plans.
try2daq
- 利用matlab平台和研华板卡进行在线信号采集、小波去噪和绘制曲线的例程,可通过程序中的注释了解到如何修改数采卡和信号信息以适用于其他情况的信号采集。-Take advantage of the the matlab platform and Advantech board the line signal acquisition, The wavelet denoising routines and draw the curve, by the comments in the program t
dds
- 基于单片机的DDS信号发生器,可产生正弦曲线和三角波形-DDS signal generator based on MCU, can generate sinusoidal and triangular waveform
matlab-program-for-ECG
- 编写matlab程序对心电信号作图,找出所有R波发生位置(数据中提供了R波的位置),计算出心动周期,画出心率随时间变化的曲线,体会正常心律和异常心律的差异-Write matlab program for ECG mapping to identify all the R wave position (data provided in the position of the R-wave), calculate the cardiac cycle, draw a heart rate curve
ClarkeMode
- CLARKE模型的仿真,通常将OFDM中信号通过该信道,可以调用它仿真出个BER曲线。-CLARKE model simulation, usually in OFDM signal through the channel, you can call it simulation BER curve.
Envelope
- 信号包络提取代码。可以方便地获取信号包络曲线。应用效果较好!-envelope matlab code
LMS
- 实现了自适应信号处理LMS算法,分别绘出当w(0)=[0,0]T, =0.1及w(0)=[4, 10]T, =0.05时,LMS算法在两种下的权值变化轨迹、误差e(n)与迭代次数n的关系曲线-The LMS adaptive signal processing algorithm
RLS
- 实现了自适应信号处理RLS自适应均衡算法,比较了不同信道的学习曲线的差别-The difference learning curve to achieve the adaptive signal processing RLS adaptive equalization algorithm, compares the different channels
exp1
- 提交一段录制语音,录音内容 : 数字0~9 和 本人姓名。格式为单声道、16KHz 采样、 16Bits 的线性PCM 数据。录音要求发音平稳,匀速,音量适中(最大幅度要超过3000)。录 音数据按照WAVE 文件格式存放。文件名由和姓名组成: 学号_姓名.wav 1)编写程序(MathLab),读出所录制的数据。统计文件信号的直流分量,消除直流后显示波 形。 2)编写程序(MathLab)以100 帧/秒的频度(即帧移10mS),分析并显示录音文件的短时 过零率及短时能
bpmeasure
- 高联CSY-SY生物医学传感器实验箱获取压力传感器特性曲线,实现血压信号的采集。需要labjack U2数据采集盒。-Gaolian CSY-SY experimental box for biomedical sensors pressure sensor characteristic curve, to achieve blood pressure signal acquisition. Need labjack U2 data acquisition box.
fu
- CA码的产生、BOC调制信号的生成、自相关函数图形、鉴别曲线-the generation of CA code,the generation of BOC signal,the correlationship of CA code and BOC signal
lmssss
- 输入信号与输出信号进行对比,并给出均方误差曲线-Input and output signals are compared, and the mean square error curve is given