半导体集成电路电压/频率和频率/电压转换器测试方法的基本原理
General principles of measuring methods of V/F and F/V converters for semiconductor integrated circuits
1993-01-21
ETS prEN 301 025
Electromagnetic Compatibility & Radio Spectrum Matters (ERM); Technical Characteristics & Methods of Measurement for VHF Radiotelephone Equipment for General Communications & Associated Equipment for Class 'D' Digital Selective Calling (DSC)
电磁兼容性和无线电频谱管理（ERM）；通用通信用VHF无线电话设备和D级数字选择呼叫（DSC）相关设备的技术特性和测量方法
1998-05-01
ASTM E496-14(2022)
Standard Test Method for Measuring Neutron Fluence and Average Energy from 3H(d,n)4He Neutron Generators by Radioactivation Techniques
测量中子注量和平均能量的标准试验方法 <用放射活化技术产生的sup>3H（d n）4He中子发生器
2022-07-01
ETSI EN 300 338-3
Technical characteristics and methods of measurement for equipment for generation, transmission and reception of Digital Selective Calling (DSC) in the maritime MF, MF/HF and/or VHF mobile service; Part 3: Class D DSC, Final Draft
海上MF、MF/HF和/或VHF移动业务中数字选择呼叫（DSC）的产生、传输和接收设备的技术特性和测量方法；第3部分:D类DSC 最终草案