TCN 68-203:2001 potx

N

ThiÕt bÞ ®Çu cuèi hÖ thèng th«ng tin an toµn

Vµ cøu n¹n hµng h¶i toµn cÇu - gmdss

Global maritime distress and safety system (gdmss)

Terminal equipment

ThiÕt bÞ ®iÖn b¸o in trùc tiÕp b¨ng hÑp

thu th«ng tin khÝ t−îng vµ hµnh h¶i

Yªu cÇu kü thuËt

Narrow-band direct-printing telegraph

equipment for receiving meteorological

and navigational information

Technical Requirements

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Môc lôc

* lêi nãi ®Çu ........................................................................................................................ 6

1. Ph¹m vi .................................................................................................... 7

2. §Þnh nghÜa vµ ch÷ viÕt t¾t ....................................................................... 7

3. Yªu cÇu chung .......................................................................................... 8

3.1. CÊu tróc .............................................................................................. 8

3.2. C¸c phßng bÞ an toµn ........................................................................... 9

4. §iÒu kiÖn ®o kiÓm .................................................................................. 10

4.1. Yªu cÇu chung .................................................................................. 10

4.1.1. Anten gi¶ ................................................................................... 10

4.1.2. TÝn hiÖu ®o kiÓm b×nh th−êng .................................................... 10

4.1.3. TÝn hiÖu ®o kiÓm ®−a tíi ®Çu vµo m¸y thu .................................. 10

4.2. Nguån ®o kiÓm ................................................................................. 10

4.3. §iÒu kiÖn ®o kiÓm b×nh th−êng ......................................................... 11

4.3.1. NhiÖt ®é vµ ®é Èm ...................................................................... 11

4.3.2. Nguån ®o kiÓm .......................................................................... 11

4.4. §iÒu kiÖn ®o kiÓm tíi h¹n ................................................................. 11

4.4.1. NhiÖt ®é ..................................................................................... 11

4.4.2. Nguån ®o kiÓm .......................................................................... 11

4.5. Thñ tôc ®o kiÓm ë c¸c nhiÖt ®é tíi h¹n .............................................. 12

4.6. Thö m«i tr−êng ................................................................................. 12

5. M¸y thu vµ bé xö lý tÝn hiÖu ................................................................. 12

5.1. §é nh¹y cuéc gäi .............................................................................. 12

5.1.1 §Þnh nghÜa .................................................................................. 12

5.1.2 Ph−¬ng ph¸p ®o .......................................................................... 12

5.1.3 Yªu cÇu ....................................................................................... 13

5.2. TriÖt nhiÔu vµ chèng nghÑt ................................................................ 13

5.2.1 §Þnh nghÜa .................................................................................. 13

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5.2.2 Ph−¬ng ph¸p ®o .......................................................................... 13

5.2.3 Yªu cÇu ....................................................................................... 13

5.3. TriÖt nhiÔu cïng kªnh ....................................................................... 13

5.3.1 §Þnh nghÜa .................................................................................. 13

5.3.2 Ph−¬ng ph¸p ®o .......................................................................... 13

5.3.3 Yªu cÇu ....................................................................................... 14

5.4. Xuyªn ®iÒu chÕ ................................................................................. 14

5.4.1 §Þnh nghÜa .................................................................................. 14

5.4.2 Ph−¬ng ph¸p ®o .......................................................................... 14

5.4.3 Yªu cÇu ....................................................................................... 14

5.5. Ph¸t x¹ gi¶ ........................................................................................ 14

5.5.1 §Þnh nghÜa .................................................................................. 14

5.5.2 Ph−¬ng ph¸p ®o .......................................................................... 14

5.5.3 Yªu cÇu ....................................................................................... 14

5.6. B¶o vÖ m¹ch vµo ............................................................................... 15

6. M¸y in .................................................................................................... 15

6.1. Yªu cÇu chung .................................................................................. 15

6.2. In ...................................................................................................... 15

7. Can nhiÔu ............................................................................................... 15

7.1. Yªu cÇu chung .................................................................................. 15

7.2. Ph¸t x¹ t¹p dÉn vµo m¹ng ®iÖn l−íi ................................................... 15

7.2.1 C¸c ®iÒu kiÖn ®o ......................................................................... 15

7.2.2 Ph−¬ng ph¸p ®o .......................................................................... 15

7.2.3 Yªu cÇu ....................................................................................... 15

* Tµi liÖu tham kh¶o .................................................................................................... 17