package keshe;
import java.awt.BorderLayout;
import java.awt.EventQueue;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.JButton;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.JTextField;
import javax.swing.JLabel; public class keshe extends JFrame { private JPanel contentPane;
private JTextField textField;
private JTextField textField_1;
private JTextField textField_2;
private JTextField textField_3;
private JLabel lblPcm;
private JLabel label;
private JLabel label_1;
private JLabel label_2; /**
* Launch the application.
*/
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
keshe frame = new keshe();
frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
} /**
* Create the frame.
*/
public keshe() {
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setBounds(100, 100, 450, 300);
contentPane = new JPanel();
contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
setContentPane(contentPane);
contentPane.setLayout(null); textField = new JTextField();
textField.setBounds(96, 25, 212, 21);
contentPane.add(textField);
textField.setColumns(10); textField_1 = new JTextField();
textField_1.setBounds(96, 56, 212, 21);
contentPane.add(textField_1);
textField_1.setColumns(10); textField_2 = new JTextField();
textField_2.setBounds(96, 98, 212, 21);
contentPane.add(textField_2);
textField_2.setColumns(10); textField_3 = new JTextField();
textField_3.setBounds(95, 139, 213, 21);
contentPane.add(textField_3);
textField_3.setColumns(10); JButton btnNewButton = new JButton("确定");
btnNewButton.addActionListener(new ActionListener() {
private String f;
public void actionPerformed(ActionEvent e) { int a,b,b1,c1,f,g;
StringBuffer d,e1;
/*a为输入的初始值，b为a的值取绝对值，
b1为段内码的量化间隔所处的位置，c1为极性码，d段落码，e为段内码，
f为段内量化间隔，g为量化误差*/
String s1 = textField.getText();
a = Integer.parseInt(s1);
if(a>0&a<=2048){
c1=1;
}
else if(a<0&a>=-2048){
c1=0;
}
else {
c1=9;
} b=(int)(Math.sqrt(a*a)); if(b>0&b<=16){
b1=b;
d=new StringBuffer("000");
f=1;
g=1;
}
else if(b>16&b<=32){
b1=b-16;
d=new StringBuffer("001");
f=1;
g=1;
} else if(b>32&b<=64){
b1=(b+1)/2-16;
d=new StringBuffer("010");
f=2;
g=b-30-2*b1;
}
else if(b>64&b<=128){
b1=(b+3)/4-16;
d=new StringBuffer("011");
f=4;
g=b-60-4*b1;
} else if(b>128&b<=256){
b1=(b+7)/8-16;
d=new StringBuffer("100");
f=8;
g=b-120-8*b1;
}
else if(b>256&b<=512){
b1=(b+15)/16-16;
d=new StringBuffer("101");
f=16;
g=b-240-16*b1;
}
else if(b>512&b<=1024){
b1=(b+31)/32-16;
d=new StringBuffer("110");
f=32;
g=b-480-32*b1;
}
else if(b>1024&b<=2048){
b1=(b+63)/64-16;
d=new StringBuffer("111");
f=64;
g=b-960-64*b1;
}
else {
b1=0;d=new StringBuffer("错误");f=0;g=0;
} int t=b1;
if(t==1)
e1=new StringBuffer("0000");
else if(t==2)
e1=new StringBuffer("0001");
else if(t==3)
e1=new StringBuffer("0010");
else if(t==4)
e1=new StringBuffer("0011");
else if(t==5)
e1=new StringBuffer("0100");
else if(t==6)
e1=new StringBuffer("0101");
else if(t==7)
e1=new StringBuffer("0110");
else if(t==8)
e1=new StringBuffer("0111");
else if(t==9)
e1=new StringBuffer("1000");
else if(t==10)
e1=new StringBuffer("1001");
else if(t==11)
e1=new StringBuffer("1010");
else if(t==12)
e1=new StringBuffer("1011");
else if(t==13)
e1=new StringBuffer("1100");
else if(t==14)
e1=new StringBuffer("1101");
else if(t==15)
e1=new StringBuffer("1110");
else if(t==16)
e1=new StringBuffer("1111");
else {
e1=new StringBuffer("输入数据错误");
}
/*System.out.println(""+c1+d+e1);
System.out.println(""+f);
System.out.println(""+g);*/ textField_1.setText(""+c1+d+e1);
textField_2.setText(""+f);
textField_3.setText(""+g); }
});
btnNewButton.setBounds(41, 200, 156, 52);
contentPane.add(btnNewButton); JButton btnNewButton_1 = new JButton("重置");
btnNewButton_1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
textField.setText("");
textField_1.setText("");
textField_2.setText("");
textField_3.setText("");
}
}); btnNewButton_1.setBounds(207, 200, 174, 52);
contentPane.add(btnNewButton_1); lblPcm = new JLabel("PCM\u7801\u5B50");
lblPcm.setBounds(22, 59, 54, 15);
contentPane.add(lblPcm); label = new JLabel("\u91CF\u5316\u95F4\u9694");
label.setBounds(22, 101, 54, 15);
contentPane.add(label); label_1 = new JLabel("\u91CF\u5316\u8BEF\u5DEE");
label_1.setBounds(22, 142, 63, 15);
contentPane.add(label_1); label_2 = new JLabel("\u8F93\u5165\u6570\u636E");
label_2.setBounds(22, 28, 54, 15);
contentPane.add(label_2);
}
}
通信原理课程设计Javaswing技术计算出PCM编码——猎八哥FLY；此为原创博客，转载请标明出处。