GY/T 139-1999.Specifications and methods of measurement on demodulator used in CATV systems.调整衰减器A1,使被测解调器的输入电平为其标称输入电平。标准调制器...
GA 214.14-2004.Specification for resident population management information-Part 14: The standard of data exchange for the card making center.1范围GA 214.14规定了居民身份证制...
GY/T 138一1999.Specification and methods of measurement on Combiners ( 5~ 1000MHz) used for CATV systems.4.2.2测量步骤4.2.2.1接通被测系统。选调制器输出射频信号频...
GA 214.11-2004.Specification for resident population management information-Part 11: Number of resident population information data package exchange.1范围GA 214.11规定了常住人...
GA 214.8-2004.Specification for resident population management information-Part 8: Valid limitation for citizen identification card.1范围GA 214.8规定了居民身份证有效期限...
GY/T 137-1999.Specifications and methods of measurement on system outlets (5~ 1000MHz) used for CATV systems.5.2.2.2测量步骤a先不接被测部件,直接连通测量系统,调...
GA 214.4-2004.Specification for resident population management information-Part 4: Number of accept sequence for citizen identification card.1范围GA 214.4规定了居民身份证受...
GA 214.3-2004.Specification for resident population management information-Part 3: Citizen identification card management information data items.1范围GA 214.3规定了公安机关管...
GY/T 136-1998.Specifications and methods of measurement on coaxial cable with bamboo type polyethylene insulation used in CATV systems.1范團GY/T 136规定了SYDLY-75-9. SYDLY-75-1...
GA 214.2-2004.Specification for resident population management information-Part 2: Household register management information data items.1范围GA 214.2规定了公安机关在管理常...










