YD/T 2147-2010 Translated English of Chinese Standard. (YDT 2147-2010, YD/T2147-2010, YDT2147-2010) PDF Download
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Author: https://www.chinesestandard.net Publisher: https://www.chinesestandard.net ISBN: Category : Computers Languages : en Pages : 78
Book Description
This standard specifies the test methods of the open 40Gbit/s optical wavelength division multiplexing (WDM) system, including: system configuration and reference point definition, main optical channel test, optical wavelength converter test, optical wavelength division multiplexer/demultiplexer test, optical amplifier test, dispersion compensator test, FEC test, dynamic power control and gain equalization test, OADM test, monitoring channel test, transmission function and performance test, network management system function verification, APR function verification and so on.
Author: https://www.chinesestandard.net Publisher: https://www.chinesestandard.net ISBN: Category : Computers Languages : en Pages : 78
Book Description
This standard specifies the test methods of the open 40Gbit/s optical wavelength division multiplexing (WDM) system, including: system configuration and reference point definition, main optical channel test, optical wavelength converter test, optical wavelength division multiplexer/demultiplexer test, optical amplifier test, dispersion compensator test, FEC test, dynamic power control and gain equalization test, OADM test, monitoring channel test, transmission function and performance test, network management system function verification, APR function verification and so on.
Author: https://www.chinesestandard.net Publisher: https://www.chinesestandard.net ISBN: Category : Medical Languages : en Pages : 29
Book Description
This standard specifies the terms and definitions, composition, requirements, test methods of computed radiography device. This standard applies to CR. The device uses an image plate that forms a "latent image" after X-ray irradiation; forms a digital X-ray image by scanning the "latent image" on the image plate. CR is used to obtain digital diagnostic images after X-ray device photography, excluding X-ray photography device.
Author: https://www.chinesestandard.net Publisher: https://www.chinesestandard.net ISBN: Category : Technology & Engineering Languages : en Pages : 15
Book Description
This standard specifies the terms and definitions, order content, dimensions, shape, weight and allowable deviations, technical requirements, test methods, inspection rules, packaging, markings and quality certificates of hot-rolled wide flat steel for structural use. This standard is applicable to strip-shaped wide flat steel which has a thickness of 4 mm ~ 40 mm, a width of 150 mm ~ 600 mm, in a rectangular cross-section for structural use, hot-rolled on all four sides.
Author: https://www.chinesestandard.net
Author: https://www.chinesestandard.net
Author: https://www.chinesestandard.net
Author: https://www.chinesestandard.net
Author: https://www.chinesestandard.net
Author: Codeofchina