JUS N N6 178-1978 Radiocommunications Wired distribution s) stems Methods of measurements Echoes 《无线电通信 有线分布式系统 测试方法 反射波》.pdf

相关资源

JIS C5601-1975 电子和电信术语汇编(无线电通信术语(一).pdf

JIS E3801-1-2009 无线电通信用火车控制系统.第1部分：一般要求和功能要求.pdf

TB 1630-1985 电气化区段150450MHz铁路列车无线电通信最小可用接收电平值及其测量方法.pdf

SC T 8045-1994 渔船无线电通信设备.修理、安装及调试技术要求.pdf

TB T 1875-1987 列车无线电通信天线类型、基本参数及测量方法.pdf

TB T 1876-2011 450MHz铁路列车无线电通信最小可用接收电平及其测量方法.pdf

GB T 15304-1994 全球海上遇险安全系统(GMDSS)船用无线电通信设备技术要求.pdf

SJ 20840-2002 三军协同无线电通信系统与相关网系互连互通要求.pdf

SC T 8012-1994 渔船无线电通信、导航及助渔设备配制定额.pdf

TB T 1876-1987 非电气化区段150-450MHz频段列车无线电通信最小可用接收电平及其测量方法.pdf

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