1) frequency optim ization for microwave im aging
成像频率
2) multi-frequency electrical impedance tomography
多频率电阻抗断层成像
1.
The development of EIT is summarized based on the concept and advantages of the Electrical impedance tomography (EIT) from the following three aspects: multi-frequency electrical impedance tomography (MEEIT), induced current electrical impedance tomography (ICEIT)and magnetic induction tomography (MIT).
在明确了生物电阻抗成像技术概念和优势的基础上,从多频率电阻抗断层成像、感应电流断层成像、磁感应断层成像等三种发展中的生物阻抗成像方法,对生物电阻抗成像技术研究进展进行了概述,分析了它们与传统生物电阻抗断层成像技术相比所具有的优势,并归纳出它们各自的应用方向。
4) videography frequency
摄像频率
5) image frequency
镜像频率
1.
Then we perform digital pre-compensation method,which can be used in the processing of base band signal to reject image frequency and protect carrier leak to meet the application purpose.
其思路是将信号先通过单边带调制,将较低频率调制到需要的频率范围;然后采用对基带信号的数字预补偿方法来抑制镜像频率和载波泄漏,从而达到应用的目的。
补充资料：频率计量(见时间频率计量)
频率计量(见时间频率计量)
frequency metrology: see time and frequency metrology
口n IQ liliang顷率频率计皿(f比quency metrolo盯) 计t。见时闰
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条