
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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Describes the complete physical layer structure, i.e., framing structure, channel coding and modulation (QPSK), for each direction - Downstream
Digital Broadband Delivery System: Out of Band Transport Part 2: Mode B
Specifies the physical layer and the data link layer (including the MAC layer) of the Out-Of-Band cable system transport
Digital Broadband Delivery System: Out of Band Transport Part 1: Mode A
This supplement provides preliminary audio performance requirements for telephones capable of transmitting an audio bandwidth extending beyond
TRANSMISSION CHARACTERISTICS OF WIDEBAND AUDIO TELEPHONES (Study Group XII)
The existing pfd limits given in RR Table 21-4 for the band 25.5-27 GHz should provide protection of P-P and P-MP fixed service systems from
Preferred Frequency Bands and Bandwidths for the Transmission of Space VLBI Data
This Recommendation provides the preferred frequency bands and bandwidths for the transmission of science data and time/phase reference signals
Preferred frequency bands and bandwidths for the transmission of space VLBI data within existing space research service (SRS) allocations
Transmission of audio and/or video and related signals using infra-red radiation - Part 2: Transmission systems for audio wide band and related signals
Specifies characteristics and methods of measuring wide band audio IR systems not covered by BS EN 61603-1. To be read in conjunction with BS 7693
Transmission of audio and/or video and related signals using infra-red radiation - Transmission systems for audio wide band and related signals
Transmission of audio and/or video and related signals using infra-red radiation. Part 2 : transmission systems for audio wide band and related signal.
This amendmend replaces subclause 6.8.3
Transmission of audio and/or video and related signals using infrared radiation - Part 2: Transmission systems for audio wide band and related signals (IEC 61603-2/A1:2004); German version EN 61603-2/A1:2004
Transmission of audio and/or video and related signals using infra-red radiation - Part 2 : transmission systems for audio wide band and related signals
Gives methods for measuring and specifying those characteristics of wide band audio IR transmission systems. Applies to systems which make different
Transmission of audio and/or video and related signals using infra-red radiation - Part 2: Transmission systems for audio wide band and related signals
本标准规定了作物、土壤水分、自然物候、畜牧气象和农业气象灾害观测资料传输文件的命名、结构和内容。本标准适用于农业气象观测站(含试验站)和地面气象观测站的上述人工观测资料的传输
File format for agrometeorological observation data transmission
Amendment 1 - Transmission of audio and/or video and related signals using infra-red radiation - Part 2: Transmission systems for audio wide band and related signals
Describes the complete physical layer structure, i.e., framing structure, channel coding and modulation (QPSK), for each direction - Downstream
Digital Broadband Delivery System: Out of Band Transport Part 2: Mode B
Specifies the physical layer and the data link layer (including the MAC layer) of the Out-Of-Band cable system transport
Digital Broadband Delivery System: Out of Band Transport Part 1: Mode A
This supplement provides preliminary audio performance requirements for telephones capable of transmitting an audio bandwidth extending beyond
TRANSMISSION CHARACTERISTICS OF WIDEBAND AUDIO TELEPHONES (Study Group XII)
The existing pfd limits given in RR Table 21-4 for the band 25.5-27 GHz should provide protection of P-P and P-MP fixed service systems from
Preferred Frequency Bands and Bandwidths for the Transmission of Space VLBI Data
This Recommendation provides the preferred frequency bands and bandwidths for the transmission of science data and time/phase reference signals
Preferred frequency bands and bandwidths for the transmission of space VLBI data within existing space research service (SRS) allocations
Transmission of audio and/or video and related signals using infra-red radiation - Part 2: Transmission systems for audio wide band and related signals
Specifies characteristics and methods of measuring wide band audio IR systems not covered by BS EN 61603-1. To be read in conjunction with BS 7693
Transmission of audio and/or video and related signals using infra-red radiation - Transmission systems for audio wide band and related signals
Transmission of audio and/or video and related signals using infra-red radiation. Part 2 : transmission systems for audio wide band and related signal.
This amendmend replaces subclause 6.8.3
Transmission of audio and/or video and related signals using infrared radiation - Part 2: Transmission systems for audio wide band and related signals (IEC 61603-2/A1:2004); German version EN 61603-2/A1:2004
Transmission of audio and/or video and related signals using infra-red radiation - Part 2 : transmission systems for audio wide band and related signals
Gives methods for measuring and specifying those characteristics of wide band audio IR transmission systems. Applies to systems which make different
Transmission of audio and/or video and related signals using infra-red radiation - Part 2: Transmission systems for audio wide band and related signals
本标准规定了作物、土壤水分、自然物候、畜牧气象和农业气象灾害观测资料传输文件的命名、结构和内容。本标准适用于农业气象观测站(含试验站)和地面气象观测站的上述人工观测资料的传输
File format for agrometeorological observation data transmission
Transmission of audio and/or video and related signals using infra-red radiation. Part 2. Transmission systems for audio wide band and related signals








