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算賬機(jī)器人-JND-PC算賬-加拿大-牛牛機(jī)器人

發(fā)布日期:09-12 ? 分類信息 ? 閱讀 118 次

之前說(shuō)到來(lái)至加拿大的算賬機(jī)器人用到CouchDB是一個(gè)開(kāi)源的面向文檔的數(shù)據(jù)庫(kù)管理系統(tǒng),PC-28算賬機(jī)器人軟件用到的CouchDB的問(wèn)

 

然而也用到了OpenCV可以運(yùn)行在Linux,、Windows,、Android和Mac OS操作系統(tǒng)上。

 

官方:http://pc16888.com

 

OpenCV的全稱是:Open Source Computer Vision Library,。OpenCV是一個(gè)基于BSD許可(開(kāi)源)發(fā)行的跨平臺(tái)計(jì)算機(jī)視覺(jué)庫(kù),,可以運(yùn)行在Linux、Windows,、Android和Mac OS操作系統(tǒng)上,。

 

過(guò)程提示:

 

1001622374850687%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%------------------------------------------------------------------------------------%

%************************************** Filter **************************************%

%------------------------------------------------------------------------------------%

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

% Date:2018.8.25

% Author:flypassion

% Version:1.0

clear all

close all

clc

%% Parameter Interface

Frequence0 = 60; %單位:Hz

Frequence1 = 130; %單位:Hz

Frequence2 = 1e3; %單位:Hz

SampleFre = 4e3; %單位:Hz

SampleLen = SampleFre; %采樣點(diǎn)數(shù)

%% Main

%-------------------產(chǎn)生三路信號(hào)

t = 0:1/SampleLen:1/SampleFre*(SampleLen-1);

SignalData0 = sin(2*pi*Frequence0*t);

SignalData1 = sin(2*pi*Frequence1*t);

SignalData2 = sin(2*pi*Frequence2*t);

SignalData3 = SignalData0+SignalData1+SignalData2;

figure;hold on

plot(t(1:150),SignalData0(1:150),'b')

plot(t(1:150),SignalData1(1:150),'r')

plot(t(1:150),SignalData2(1:150),'k')

hold off

figure;plot(t(1:150),SignalData3(1:150))

title('三路信號(hào)求和')

%-------------------頻譜分析

FFT_Data = fft(SignalData3);

Amplitude = abs(FFT_Data);

Amplitude = Amplitude/length(Amplitude);

Amplitude(2:end) = 2*Amplitude(2:end);

Frequence = (0:(length(Amplitude)/2-1))/length(Amplitude)*SampleFre;

figure;plot(Frequence,Amplitude(1:length(Frequence)))

title('三路信號(hào)疊加頻譜')

%-------------------低通濾波

LPF_Coe = load('LPF_60M.mat');

LPF_Data = filter(LPF_Coe.LPF_60M,1,SignalData3);

figure;plot(t,LPF_Data)

title('低通濾波之后的波形')

%-------------------低通濾波之后頻譜分析

FFT_LPF_Data = fft(LPF_Data);

Amplitude_LPF = abs(FFT_LPF_Data);

Amplitude_LPF = Amplitude_LPF/length(Amplitude_LPF);

Amplitude_LPF(2:end) = 2*Amplitude_LPF(2:end);

Frequence = (0:(length(Amplitude_LPF)/2-1))/length(Amplitude_LPF)*SampleFre;

figure;plot(Frequence,Amplitude_LPF(1:length(Frequence)))

title('低通濾波之后的頻譜')

%-------------------帶通濾波

BPF_Coe = load('BPF_130M.mat');

BPF_Data = filter(BPF_Coe.BPF_130M,1,SignalData3);

figure;plot(t,BPF_Data)

title('帶通濾波之后的波形')

%-------------------帶通濾波之后頻譜分析

FFT_BPF_Data = fft(BPF_Data);

Amplitude_BPF = abs(FFT_BPF_Data);

Amplitude_BPF = Amplitude_BPF/length(Amplitude_BPF);

Amplitude_BPF(2:end) = 2*Amplitude_BPF(2:end);

Frequence = (0:(length(Amplitude_BPF)/2-1))/length(Amplitude_BPF)*SampleFre;

figure;plot(Frequence,Amplitude_BPF(1:length(Frequence)))

title('帶通濾波之后的頻譜')