Ñòóäåíòàì > Êóðñîâûå > Èññëåäîâàíèå ýôôåêòà àâòîäèííîãî äåòåêòèðîâàíèÿ â ìíîãîêîíòóðíîì ãåíåðàòîðå íà äèîäå Ãàííà
Èññëåäîâàíèå ýôôåêòà àâòîäèííîãî äåòåêòèðîâàíèÿ â ìíîãîêîíòóðíîì ãåíåðàòîðå íà äèîäå ÃàííàÑòðàíèöà: 6/7
phas_y:=phas_y+10;
an4;
Size := ImageSize(xgmin+1, ygmin+1, xgmax-1,
ygmax-1);
GetMem(P, Size);
GetImage(xgmin+1, ygmin+1, xgmax-1, ygmax-1,
P^);
setfillstyle(0,0);
bar(xgmin+1,ygmin+1,xgmax-1,ygmax-1);
PutImage(xgmin+1, ygmin+1+10, P^, NormalPut);
FreeMem(P, Size);
scal;
end;
'8': begin
phas_y:=phas_y-10;
an4;
Size := ImageSize(xgmin+1, ygmin+1, xgmax-1,
ygmax-1);
GetMem(P, Size);
GetImage(xgmin+1, ygmin+1, xgmax-1, ygmax-1,
P^);
setfillstyle(0,0);
bar(xgmin+1,ygmin+1,xgmax-1,ygmax-1);
PutImage(xgmin+1, ygmin+1-10, P^, NormalPut);
FreeMem(P, Size);
scal;
end;
{
ïåpåõîä íà âû÷èñëåíèå ñïåêòpà }
's':
begin
goto 1;
end;
{
ìàñøòàá ôàç. ïîpòpåòà }
'+': begin
an4;
setfillstyle(0,0);
bar(xgmin+1,ygmin+1,xgmax-1,ygmax-1);
size_x:=size_x+0.1;
size_y:=size_y+0.1;
end;
'-': begin
an4;
setfillstyle(0,0);
bar(xgmin+1,ygmin+1,xgmax-1,ygmax-1);
size_x:=size_x-0.1;
size_y:=size_y-0.1;
end;
end;
2: end;
end;
{ ñïåêòð }
1: SETCOLOR(15);
an2;
f0:=0;
Smax:=0;
sign0:=0;
setcolor(15);
for k:=1 to 200 do begin
s0:=0;s1:=0;
FOR i:=1 to 500 do begin
s0:=s0+(sign[i]-sign0)*cos(f0*i*6.28e-9/250);
s1:=s1+(sign[i]-sign0)*sin(f0*i*6.28e-9/250);
end;
if k=1 then begin sign0:=s0/500; s0:=0; end;
f0:=f0+2e8;
g1[k]:=s0*s0+s1*s1;
if g1[k]>Smax then Smax:=g1[k];
end;
ppp:=s0*s0+s1*s1;
f0:=0;
{
î÷èñòêà ïîëÿ è ïåðåðèñîâêà âèçèðîâ è öèôð }
setfillstyle(0,0);
bar(xgmin+1,ygmin+1,xgmax-1,ygmax-1);
scal;
setwritemode(XORput);
if(d_visir<>0) then begin
line(trunc(visir_s),ygmin,trunc(visir_s),ygmax);
str((1e-9/d_visir):5:3,s);
outtextxy(540,35,s+' GHz');
end;
line(visir_3,ygmin,visir_3,ygmax);
setcolor(14);
line(visir_4,ygmin,visir_4,ygmax);
setwritemode(COPYput);
setcolor(11);
str(visir_f:5:3,s);
outtextxy(540,50,s+' GHz');
setcolor(14);
str(visir_f1:5:3,s);
outtextxy(540,60,s+' GHz');
Result;
{ ðèñîâàíèå ñïåêòðà }
moveto(xgmin,ygmax);setcolor(10);
for k:=1 to 200 do begin
xg:=xgmax-trunc((xmax-f0/1e9)*(xgmax-xgmin)/(xmax- xmin));
yg:=ygmin-trunc((ymax-100*g1[k]/SMAX)*(ygmin- ygmax)/(ymax-ymin));
lineto(xg,yg);
f0:=f0+2e8;
end;
{ êîíåö ñïåêòðà }
repeat
c:=readkey;
case
c of
{
ïåðåìåùåíèå âèçèðîâ }
'9': begin
an3;
setwritemode(XORput);
setcolor(15);
line(visir_1,ygmin,visir_1,ygmax);
visir_1:=visir_1+1;
line(visir_1,ygmin,visir_1,ygmax);
v12;
setwritemode(COPYput);
end;
'7': begin
an3;
setwritemode(XORput);
setcolor(15);
line(visir_1,ygmin,visir_1,ygmax);
visir_1:=visir_1-1;
line(visir_1,ygmin,visir_1,ygmax);
v12;
setwritemode(COPYput);
end;
'6': begin
an3;
setwritemode(XORput);
setcolor(15);
line(visir_2,ygmin,visir_2,ygmax);
visir_2:=visir_2+1;
line(visir_2,ygmin,visir_2,ygmax);
v12;
setwritemode(COPYput);
end;
'4': begin
an3;
setwritemode(XORput);
setcolor(15);
line(visir_2,ygmin,visir_2,ygmax);
visir_2:=visir_2-1;
line(visir_2,ygmin,visir_2,ygmax);
v12;
setwritemode(COPYput);
end;
'3': begin
an2;
setwritemode(XORput);
setcolor(11);
line(visir_3,ygmin,visir_3,ygmax);
visir_3:=visir_3+1;
line(visir_3,ygmin,visir_3,ygmax);
visir_f:=(visir_3-xgmin)*(xmax- xmin)/(xgmax-xgmin);
setcolor(0);
outtextxy(540,50,'___________');
setcolor(11);
str(visir_f:5:3,s);
outtextxy(540,50,s+' GHz');
setwritemode(COPYput);
Result;
end;
'1': begin
an2;
setwritemode(XORput);
setcolor(11);
line(visir_3,ygmin,visir_3,ygmax);
visir_3:=visir_3-1;
line(visir_3,ygmin,visir_3,ygmax);
visir_f:=(visir_3-xgmin)*(xmax- xmin)/(xgmax-xgmin);
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