SIS SS IEC 617-3-1986 Graphical symbols for diagrams - Conductors and connecting devices《原理图图形符号 导体及连接设备》.pdf

相关资源

IRS 70778-2-2018 Recommendations for determining the carrying capacity and fatigue risks of existing metallic railway bridges.pdf

IRS 70712-2018 Rail defects.pdf

IRS 50596-6-2018 Conditions for coding intermodal loading units in combined transport combined transport lines and wagons.pdf

IRS 50596-5-2018 Transport of road vehicles on wagons-Technical Organisation-Conveyance of semi-trailers with P coding or N coding on recess wagons.pdf

IESNA TM-23-2017 Lighting Control Protocols.pdf

IESNA RP-2-2017 Recommended Practice for Retail Lighting.pdf

ITU-R RAPPORT M 766-2 FRENCH-1990 Feasibility of frequency sharing between the GPS and other services《全球定位系统和其他服务之间的频率共享的可行性》.pdf

ITU-R RAPPORT M 763-3 FRENCH-1990 Signal level variation due to multipath effects and blockage by ship-s superstructure in maritime mobile-satellite service lin.pdf

ITU-R RAPPORT M 739-1 FRENCH-1986 Interference due to intermodulation products in the land mobile service between 25 and 100 MHz《由于互调产物在陆地移动服务25和100 MHz之间产生的干扰》.pdf

ITU-R RAPPORT M 319-7 FRENCH-1990 Characteristics of equipment and principles governing the assignment of frequency channels between 25 and 100 MHz for land mob.pdf

猜你喜欢

NF Z85-636-1998 Transmission and Multiplexing (TM) Time Division Multiple Access (TDMA) point-to-multipoint digital radio systems in the frequency range 1 to 3 GHz 《传输和多路转换(TM) 在频率.pdf

NF Z85-638-1998 Transmission and Multiplexing (TM) Digital Radio Relay systems (DRRS) Fixed point-to-point radio link equipment for the transmission of digital signals and analogueds 1.pdf

NF Z85-639-1998 Transmission and multiplexing (TM) Sub-STM1 digital radio relay systems (DRRS) operating in the 13 GHz 15 GHz and 18 GHz frequency bands with about 28 MHz co-polar .pdf

NF Z86-157-1996 Satellite earth stations and systems (ses) Receive-only very-small aperture terminal (vsats) operating in the 11 12 GHz frequency bands 《卫星地面站和系统(SES) 在11 12GHZ频率范围.pdf

NF Z86-159-1996 Satellite earth stations and systems (ses) Transmit-only or transmit-and-receive very small aperture terminal (vsats) used for communications oeprating in the fixedcy b.pdf

NF Z86-160-1997 Satellite Earth Stations and Systems (SES) Control and monitoring functions at a Very Small Aperture Terminal (VSAT) 《卫星地面站和系统(SES) 小孔径终端(VSAT)的控制和探测功能》.pdf

NF Z86-161-1997 Satellite Earth Stations and Systems (SES) Centralized control and monitoring functions for Very Small Aperture Terminal (VSAT) networks 《卫星地面站和系统(SES) 小孔径终端(VSAT)网.pdf

NF Z86-174-1994 Network aspects (NA) Digital coding of components television signals for contribution quality applications in the range 34-45 mbit S 《网络 (NA) 34-45MBIT S范围内质量应用分配用电.pdf

NF Z86-194-1996 Satellite earth stations and systems (ses) The interconnection of very small aperture terminal (vsat) systems to packet switched public data networks (pspdns) 《卫星地面.pdf