bupt電子工程學院大二下計算機實驗1.數字信號生成器！實現：pyqt5+matprolib

必選實驗
? 數字波形生成 – 給出數字序列A、B的值和邏輯函數F的表達式（與、 或、非、異或、同或等），生成A、B和F的波形圖。 注：A、B序列長度最大值不小于16。 – 例：A：0 0 1 1 B：0 1 0 1 F= A & B ? ?可生成如下波形

# -*- coding: utf-8 -*-import numpy as np from PyQt5 import QtCore from PyQt5.QtWidgets import QApplication, QLineEdit , QWidget ,QFormLayout,QPushButton,QMessageBox,QLabel,QVBoxLayout,QSizePolicy import sys import random import matplotlib.pyplot as plt from numpy.linalg import choleskyAlist=[] Blist=[] Clist=[] Astr=[] Bstr=[] q=[] class initUI(QWidget):def __init__(self):super(initUI, self).__init__()self.setWindowTitle("數字波形生成器")self.resize(700,700)flo = QFormLayout() self.Asequence = QLineEdit()self.Bsequence = QLineEdit()self.Fexpression= QLineEdit()self.Csequence= QLineEdit()self.bupt=QLabel("Developed by Hao 2019/4/13")self.btn=QPushButton('運算')self.btn_1=QPushButton("畫圖")self.Asequence.setInputMask("BBBBBBBB")self.Bsequence.setInputMask("BBBBBBBB")flo.addRow("A序列",self.Asequence)flo.addRow("B序列", self.Bsequence)flo.addRow("F表達式",self.Fexpression)flo.addRow("運算結果",self.Csequence)flo.addWidget(self.btn) flo.addWidget(self.btn_1) flo.addWidget(self.bupt) self.setLayout(flo) self.btn.clicked.connect(self.on_click)self.btn_1.clicked.connect(self.paintA)def on_click(self):Astr=self.Asequence.text()Bstr=self.Bsequence.text()for(i,j) in zip(Astr,Bstr):Alist.append(int(i))Blist.append(int(j))F=self.Fexpression.text()for (A,B) in zip(Alist,Blist):q.append(eval(F))print(q)num_list_new = [str(x) for x in q]re=",".join(num_list_new)self.Csequence.setText(re)def paintA(self):yA=[]yB=[]yC=[]plt.figure()x=np.arange(1,len(Alist),0.1)for i in x:if(Alist[int(i)]==1):yA.append(1)else :yA.append(0)for j in x:if(Blist[int(j)]==1):yB.append(1)else :yB.append(0)for k in x:if(q[int(k)]==1):yC.append(1)else :yC.append(0)ax1=plt.subplot(221)ax1.set_title("A")plt.plot(x,yA)ax2 = plt.subplot(222)ax2.set_title("B")plt.plot(x,yB)ax3 = plt.subplot(212)ax3.set_title("C")plt.plot(x,yC)plt.show()if __name__ == "__main__": app = QApplication(sys.argv)first= initUI()first.show()sys.exit(app.exec_())

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