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Raspberry Pi 的代码
app7_7.java
// app7_7, 调用method并传递参数
class CCircle // 定义类CCircle
{
double pi=3.14; // 将数据成员赋值初值
app7_6.java
// app7_6, 在类内部调用method
class CCircle // 定义类CCircle
{
double pi=3.14; // 将数据成员赋值初值
app7_5.java
// app7_5, 圆形类CCircle的field在内存中的配置关系
class CCircle // 定义类CCircle
{
double pi=3.14; // 将数据成员赋值初值
app7_10.java
// app7_10, 圆形类CCircle
class CCircle // 定义类CCircle
{
double pi=3.14; // 将数据成员设置初值
iir.c
#include"math.h"
#define IIRNUMBER 2
#define SIGNAL1F 1000
#define SIGNAL2F 4500
#define SAMPLEF 10000
#define PI 3.1415926
float InputWave();
float IIR();
float fBn[IIRNUMBER]={ 0.0,0.
fir.c
#include "myapp.h"
#include "ICETEK-VC5509-EDU.h"
#include "scancode.h"
#include
#define FIRNUMBER 25
#define SIGNAL1F 1000
#define SIGNAL2F 4500
#define SAMPLEF 10000
#define PI 3
test.m
clear all
factor = 4. * pi *5.;
theta = 0:.1:90;;
theta = theta .* (pi/180);
f = sqrt((1. + 1 + 2.0 .* cos(pi+factor .* sin(theta))));
polar(theta,f,'k');
xlabel ('Normalized range R/Ro')
fig10_5.m
clear all
eps = 0.0000001;
beta = -pi : pi / 10791 : pi;
var = sin(beta);
%var = -1.:0.00101:1.;
num = sin((8. * 2. * pi * 0.5) .* var);
if(abs(num)
fig1_31.m
a=-2*pi:0.01:2*pi;
%angle=sin(a);
y=sinc(a).^2;
ymod=10.*log10(y);
plot(a,ymod,'k');
grid
xlabel('Aangle - radians');
ylabel('Normalized antenna pattern -dB');
ex0101.m
function ex0101()
x=0:pi/15:2*pi;
y1=0.5*x.^2;
y2=10*sin(x);
plot(x,y1,'r.-',x,y2);
grid
xlabel('variable x')
ylabel('variable y')
title('x^2 and sin(x)');
text(6.2,-5.5,'sin(x)');
text(6.2,