发布时间:2024-05-27 17:49:26 - 更新时间:2024年06月29日 15:22
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Methods of measurement for transmitters employing F3E or G3E emissions used in the mobile services
本标准规定了发射机性能的定义、测量条件和测量方法。 本标准适用于工作频率为25~1000MHz传输单路话音和其他类型信号,其音频带宽一般不超过10kHz的移动通信调频线电话发射机
Methods of measurement for radio transmitters employing F3E emission used in the mobile services
General specification for professional radio transceiver employing F3E emission in the mobile services
本标准规定固定或车辆装设陆上行动通信用调频∕调相发射机特性之定义与测量方法。其目的在增进发射机在通信系统中之兼容性。备考 1. 发射机是将声频信号转变为调变之射频信号输出之装置。在本标准中,发射机包含天线切换(antenne changover)装置,但不包含天线系统和输入
Method of Test for Land Mobile Communication FM or PM Transmitters, 25-470MH`7|
Methods of measurement for receivers employing F3E or G3E emission used in the mobile services
本标准规定了调频线电话机的术语、技术要求、试验方法、质量评定规则和标志、包装运输、贮存等。 本标准适用于供地面、内河或沿海作移动通信或固定通信专业网使用的、工作频率为25~1000MHz、发射机射频输出功率不大于50W的调频制单路线电话机。其他移动通信设备亦可参照执行
General specification for radio transceiver employing F3E emission used in the mobile services
本标准规定了移动通信调频线电话机的产品质量等级和质量等级要求。 本标准适用于调频线电话机,是其产品质量等级的依据。其它移动通信系统中设备的质量分等可参照执行。 本标准给出了关键性的技术指标,及质量一致性的规定,使用时必须与GB 《移动通信调频线电话机通用技术条件》一起
Classification of quality for FM radio sets used in the mobile services
本标准规定了移动通信调频线电话机的鉴定检验、质量一致性检验等内容。 本标准适用于移动通信调频线电话机的质量评定,对于有关附属设备的质量评定可参照执行
Quality assessment requlations for radio tranceiver employing F3E emission used in the mobile services
Recommended Practice for Measurement of Spurious Emission from Land-Mobile Communication Transmitters
Controlled test conditions, test apparatus, test methods and data presentation, all of which form the basis for establishing the energy levels
IEEE Recommended Practice for Measurement of Spurious Emission from Land-Mobile Communication Transmitters
本标准规定了接收机性能的定义、测量条件和测量方法。 本标准适用于工作频率为25~1000MHz传输单路话音和其他类型信号,其音频带宽一般不超过10kHz的移动通信调频线电话接收机
Methods of measurement for radio receivers employing F3E emission used in the mobile services
"Introduction The RF spectrum of frequency-modulation sound-broadcasting transmitters is infinite in theory. In practice@ the need may arise to have
The RF spectrum of frequency-modulation sound-broadcasting transmitters
本标准规定如备考所定义之调频或调和携带型∕个人通信设备之最低性能要求,除了电源之温度操作范围外,其附件如充电器、功率增幅器、电池等亦不包括在内。备考:携带型∕个人通信设备为可携带或戴在身上,且可由可携带之电源及天线操作之线电发射机、接收机或其二者之组合
Method of Test for Portable/Personal Radio Transmitters, Receivers, and Transmitter/Receiver Combination Land Mobile Communications FM or PM Equipment, 25-1000MH`7|
本标准规定了移动通信用50Ω射频同轴跳线的产品分类、要求、试验方法、检验规则、包装、运输和贮存。 本标准适用于连接基站天线到主馈线或塔顶放大器之间、主馈线或天馈避雷器与基站收发信设备之间的射频同轴跳线。其主要工作频率范围为5MHz~3000MHz
50Ω Radio-Frequency Coaxial Jumpers for Mobile Communication
Ground-based VHF hand-held, mobile and fixed radio transmitters, receivers and transceivers for the VHF aeronautical mobile service using amplitude modulation; Part 1: Technical characteristics and methods of measurement (Endorsed by Asociación Españ...
Methods of measurement for transmitters employing F3E or G3E emissions used in the mobile services
本标准规定了发射机性能的定义、测量条件和测量方法。 本标准适用于工作频率为25~1000MHz传输单路话音和其他类型信号,其音频带宽一般不超过10kHz的移动通信调频线电话发射机
Methods of measurement for radio transmitters employing F3E emission used in the mobile services
General specification for professional radio transceiver employing F3E emission in the mobile services
本标准规定固定或车辆装设陆上行动通信用调频∕调相发射机特性之定义与测量方法。其目的在增进发射机在通信系统中之兼容性。备考 1. 发射机是将声频信号转变为调变之射频信号输出之装置。在本标准中,发射机包含天线切换(antenne changover)装置,但不包含天线系统和输入
Method of Test for Land Mobile Communication FM or PM Transmitters, 25-470MH`7|
Methods of measurement for receivers employing F3E or G3E emission used in the mobile services
本标准规定了调频线电话机的术语、技术要求、试验方法、质量评定规则和标志、包装运输、贮存等。 本标准适用于供地面、内河或沿海作移动通信或固定通信专业网使用的、工作频率为25~1000MHz、发射机射频输出功率不大于50W的调频制单路线电话机。其他移动通信设备亦可参照执行
General specification for radio transceiver employing F3E emission used in the mobile services
本标准规定了移动通信调频线电话机的产品质量等级和质量等级要求。 本标准适用于调频线电话机,是其产品质量等级的依据。其它移动通信系统中设备的质量分等可参照执行。 本标准给出了关键性的技术指标,及质量一致性的规定,使用时必须与GB 《移动通信调频线电话机通用技术条件》一起
Classification of quality for FM radio sets used in the mobile services
本标准规定了移动通信调频线电话机的鉴定检验、质量一致性检验等内容。 本标准适用于移动通信调频线电话机的质量评定,对于有关附属设备的质量评定可参照执行
Quality assessment requlations for radio tranceiver employing F3E emission used in the mobile services
Recommended Practice for Measurement of Spurious Emission from Land-Mobile Communication Transmitters
Controlled test conditions, test apparatus, test methods and data presentation, all of which form the basis for establishing the energy levels
IEEE Recommended Practice for Measurement of Spurious Emission from Land-Mobile Communication Transmitters
本标准规定了接收机性能的定义、测量条件和测量方法。 本标准适用于工作频率为25~1000MHz传输单路话音和其他类型信号,其音频带宽一般不超过10kHz的移动通信调频线电话接收机
Methods of measurement for radio receivers employing F3E emission used in the mobile services
"Introduction The RF spectrum of frequency-modulation sound-broadcasting transmitters is infinite in theory. In practice@ the need may arise to have
The RF spectrum of frequency-modulation sound-broadcasting transmitters
本标准规定如备考所定义之调频或调和携带型∕个人通信设备之最低性能要求,除了电源之温度操作范围外,其附件如充电器、功率增幅器、电池等亦不包括在内。备考:携带型∕个人通信设备为可携带或戴在身上,且可由可携带之电源及天线操作之线电发射机、接收机或其二者之组合
Method of Test for Portable/Personal Radio Transmitters, Receivers, and Transmitter/Receiver Combination Land Mobile Communications FM or PM Equipment, 25-1000MH`7|
本标准规定了移动通信用50Ω射频同轴跳线的产品分类、要求、试验方法、检验规则、包装、运输和贮存。 本标准适用于连接基站天线到主馈线或塔顶放大器之间、主馈线或天馈避雷器与基站收发信设备之间的射频同轴跳线。其主要工作频率范围为5MHz~3000MHz
50Ω Radio-Frequency Coaxial Jumpers for Mobile Communication
Ground-based VHF hand-held, mobile and fixed radio transmitters, receivers and transceivers for the VHF aeronautical mobile service using amplitude modulation; Part 1: Technical characteristics and methods of measurement (Endorsed by Asociación Españ...