1
4-307 .
09.04.12. . __________
_______________ __________
_______________
1 :
2 :
1) , - ();
2) () - .
4 :
- -173; -1,4;
- -118;
- -104;
- 7-15 ;
- 43-67;
- 6000;
- - ;
- 52.
5 ():
1) ;
2) ;
3) ;
4) 6000 ;
5) 6000 , ;
6) ( , , );
7) , 6000;
8) , ;
9) , .
1
300.401 | 14.4 |
300.701 | 15.7 |
307.301 | 42.8 |
320.101 | 71.2 |
332.901 | 56.5 |
337.201 | 11.6 |
345.701 | 46.4 |
358.501 | 38.3 |
360.101 | 23.2 |
371.301 | 74.7 |
384.101 | 43.6 |
396.901 | 76.2 |
409.701 | 73.4 |
422.501 | 15.1 |
425.701 | 20.7 |
432.101 | 75.6 |
435.301 | 70.0 |
448.101 | 71.1 |
2 FM 340.1
| |||||||
|
|
|
|
= 0.707*9.76=6.9
∆f=339.995-339.89=0.105
2 AM 339.995
| |||||||
= 0.707*26.2=18.5
∆f=340.28-339.93=0.35
7 :
1) , - ();
2) () - .
3) FM (∆f=0.105 ) AM (∆f=0.35 )