保护比是为保证接收信号质量（模拟音频信噪比或数字误码率）所需有用信号与干扰信号之间的最小功率差值，通常以分贝表示，位于接收机输入端。该比值用于确保在存在干扰的情况下仍能获得可接受的接收质量。
| 标准号 & 类别 | 标准名称 | 发布 |
|---|---|---|
| AS/NZS 2344:1997 规范 |
架空交流输电线和频率范围在0.15到1000MHz的高压美利体育官网首页网址发出的电磁干扰的限制 Limits of electromagnetic interference from overhead a.c. powerlines and high voltage equipment installations in the frequency range 0.15 to 1000 MHz
|
1997-1-1 澳大利亚/新西兰标准 |
| AS/NZS CISPR 16.4.4:2012/AMD 1:2021 试验 |
无线电干扰和抗扰度测量美利体育官网首页网址和方法规范 误差；统计量和限值模型 投诉统计以及限值计算模型 Specification for radio disturbance and immunity measuring apparatus and methods - Uncertainties, statistics and limit modelling - Statistics of complaints and a model for the calculation of limits
耦合系数 |
2021 澳大利亚/新西兰标准 |
| ASTM G189-07(2013) Guide |
Standard Guide for Laboratory Simulation of Corrosion Under Insulation
保温层下腐蚀 |
2007 美国材料与试验协会 |
| CISPR TR 31-2012 指南标准 |
Database on the characteristics of radio services
接收灵敏度 |
2012-09-18 国际电工委员会 |
| GOST R 54715-2011 规范 |
Degital television broadcasting. Planning of digital television broadcasting terrestrial networks. Technical basis
场强 |
2011 俄罗斯标准局 |
| ITU-R BS.1615-2-2020 试验标准 |
“Planning parameters” for digital sound broadcasting at frequencies below 30 MHz
|
2020-12-01 国际电信联盟 |
| ITU-R BT.655-7-2004 规范 |
调幅残余边带陆地电视系统受无用模拟视频信号和相关声音信号干扰的射频保护比 Radio-frequency protection ratios for AM vestigial sideband terrestrial television systems interfered with by unwanted analogue vision signals and their associated sound signals
|
2004-01-01 国际电信联盟 |
| ITU-R F.1762-2006 规范 |
Characteristics of enhanced applications for high frequency (HF) radiocommunication systems
|
2006-01-01 国际电信联盟 |
| ITU-R P.528-3-2012 试验 |
使用VHF,UHF和SHF波段的航空移动和无线电导航业务的传播曲线 Propagation curves for aeronautical mobile and radionavigation services using the VHF, UHF and SHF bands
|
2012-02-01 国际电信联盟 |
| TB/T 2823-1997 规范 |
The protection distance of AC electrified railway to TV turntable
|
1997-09-21 行业标准-铁道 |
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