1.
Performance Comparison of Frequency Standard Measurement Systems Based on Beat-Frequency Method
基于差拍的频标比对系统的性能比较
2.
Research and Instrument Achievement of New Frequency Standard Comparison Technology;
新型频标比对技术的研究及仪器实现
3.
Research of the Technology of High Resolution Frequency Standard Comparison Based on Phase Comparison Approach;
基于比相法的高分辨率频标比对技术的研究
4.
Design for novel ultra-high precision frequency standard comparison system
一种新型超高精度频标比对系统的设计
5.
Visibility Detection Based on Traffic Video Contrast Analysis without Artificial Markers
无需人工标记的视频对比度道路能见度检测
6.
The comparison of frequency-domain Method and Time-domain Method in Low RCS Target Measurement
频域变换与时域提取法在低RCS目标测量中的对比
7.
Contrasting analysis of clutter and noise of frequency modulation broadcasting with echo power of target
调频广播台杂波和噪声与目标回波功率对比分析
8.
relative frequency approach to automatic indexing
自动标引的相对频率法
9.
Analyses on the Signal-to-Noise Ratio of the Atomic Discrimination Signal in Rubidium Atomic Frequency Standard
铷原子频标鉴频信号信噪比相关问题分析
10.
ratio of carrier-to-interfering signal
载频信号对干扰信号比
11.
A Comparison of High Power UPS Working-frequency Machine and High-frequency Machine
大功率UPS工频机和高频机性能对比
12.
Study on 1000kV Series Voltage Ratio Standards at Power Frequency
1000kV串联式工频电压比例标准研究
13.
The Analysis and Comparison of Video Coding Standard in the Application of IPTV
IPTV应用中视频编码标准的分析与比较
14.
Comparative study of electroanatomical and conventional mapping and catheter ablation of atrial flutter
应用三维电解剖标测系统与常规方法指导射频消融治疗心房扑动的对比研究
15.
A Comparison of the Properties of Magnetron Type Cavity and Empty Type Cavity in Small-scaled Hydrogen Maser
小型氢频标磁控管微波腔与空型腔性能的比较
16.
Design of unsymmetrical slot antenna based on ANN for RFID tag
射频标签用非对称缝隙天线优化设计
17.
Design of Dissymmetrical Slot Antenna for RFID Tag
射频识别标签用非对称缝隙天线设计
18.
a model or standard for making comparisons.
用以对比的模式或标准。