There are not any special documents about surveying and studying the three dimensions field intensity distribution in space of bat 国内外在蝙蝠声场强度分布的系统测量与研究方面尚无专门文献对其做出阐述。
Methods of measurement for equipment used in terrestrial radio - relay systems . part 2 : measurements for sub - systems . section one - general 地面无线电接力系统所用设备的测量方法.第2部分:分系统测量.第1节:总则
Methods of measurement for equipment used in terrestrial radio - relay system ; measurements for sub - systems ; general ; identique with iec 487 - 2 - 1 , edition 1981 地面无线电中继系统设备测量方法.第2部分:分系统测量
Methods of measurement for radio equipment used in satellite earth - stations ; measurement for sub - systems ; low - noise amplifier ; identical with iec 60510 - 2 - 3 : 1989 卫星地面站无线电设备的测量方法.分系统测量.低噪声
Methods of measurement for equipment used in digital microwave radio transmission systems - measurements on terrestrial radio - relay systems - antenna 数字微波无线电发射系统设备测量方法.地面无线电中继系统测量.天线
Methods of measurement for radio equipment used in satellite earth stations ; measurements for sub - systems ; up and down converters ; identical with iec 60510 - 2 - 4 : 1988 卫星地面站无线电设备测量方法.分系统测量.发射和接
Methods of measurement for radio equipment used in satellite earth stations - part 2 : sub - systems measurements - section three : low noise amplifier 卫星通信地球站无线电设备测量方法第2部分:分系统测量第3节:低噪声放大器
Methods of measurement for equipment used in terristrial radio - relay systems ; measurement for sub - systems ; r . f . branching network ; identical with iec 60487 - 2 - 3 : 1984 地面无线电中继系统设备测量方法.第2部分:分系统测量
Methods of measurement for equipment used in terrestrial radio - relay systems - part 2 : measurements for sub - systems - section seven radio transmitters 地面无线电接力系统所用设备的测量方法第2部分:分系统测量第7节:发射机
Proved by the experiment , this program is able to control each subsystem effectively , and meet the accuracy requirements of system measurement 经实验证明，该方案能有效地实现对各子系统的控制，达到系统测量精度要求。
