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- image frequency interference 象频干扰
- I/Q imbalance problem causes finite rejection in the image frequency band, and the image interference will alias into the desired signal, severe distortion will occur. I/Q不平衡问题将会造成接收机的镜像干扰排斥能力大幅降低，镜像干扰将使得欲接收的信号严重失真。
- Internal capacitors to suppress radio frequency interference. 内置抗电磁干扰电容。
- Radiated EMI is also called radio frequency interference (RFI). 辐射引起的电磁干扰，也称为射频干扰（RFI）。
- For Very High Frequency/Ultra High Frequency(VHF/UHF) Ultra-WideBand Synthetic Aperture Radar (UWB SAR) the Radio Frequency Interference(RFI) may degrade the SAR image. 对工作于甚高频/超高频(VHF/UHF)波段的超宽带合成孔径雷达(UWB SAR)，射频干扰(RFI)会严重恶化图像质量。
- RFI (Radio Frequency Interference) and EMI are often used interchangeably. EMI也常常称为RFI（射频干扰）。
- Improve compatible analysis and test of frequency usage so as to prevent frequency interference. 加强频率使用的兼容分析和测试，避免干扰。
- Caution occasional fluctuation of R/W 31 localizer course due to radio frequency interference. 注意31号跑道航道有时摆动应有无线电干扰。
- The radio frequency interference on CH VOR causing momentary flag indication and out of tolerance course fluctuation. ch VOR有无线电干扰，注意有时出现故障旗和摆动大。
- Random Single Radar has the properties of LPT, ARFI (anti-radio frequency interference) and good EMC. 噪声雷达具有低截获，抗干扰能力和电磁兼容性好的特点。
- Radio frequency interference (RFI) suppression is a key technique in the ultrawideband synthetic aperture radar (UWB-SAR). 射频干扰(RFI)抑制技术是超宽带合成孔径雷达(UWB-SAR)的关键技术之一。
- Radio Frequency Interference (RFI) plays an important role on the quality of Ultra-Wide Band Synthetic Aperture Radar (UWB-SAR) imaging. 有效的射频干扰(RFI)抑制技术是超宽带合成孔径雷达(UWB-SAR)成像质量的重要保证。
- During the experimental test of the VDCS, high frequency interference, MOSFET protection and predrive circuit design were the key issues. 在多功能驱动电路系统实验调试中，重点讨论了高频干扰问题、MOS管的高压保护和预驱动电路设计。
- Through testing, its noise figure is 5.5dB, mixing gain is 5dB, its image frequency rejection adds up to 19dB, which all meet the requirements for the system (NF=7.5dB, Gain=3dB) . 经测试，该接收机前端的噪声系数为5.;5dB，变频增益为5dB，镜频抑制度为19dBc，均超过了系统要求的指标(噪声系数7
- The multi-beam receiver is also uniquely suited for resolving one of the nagging problems of modern radio-telescopy: screening out radio frequency interference (RFI). 多波束接收器也是唯一适合解决现代射电望远镜的一个通病：滤掉电波干扰。
- These sources include thermoelectric EMFs, offsets generated by rectification of RFI (radio frequency interference), and offsets in the voltmeter input circuit. 这些误差源包括热电动势、由射频干扰（RFI）经过整流而产生的偏置量以及电压表输入电路中的偏置量。
- Based on the acquisition principle of GPS receivers,effect of single frequency interference on GPS C/A code receiver acquisition performance is analyzed. 在GPS接收机信号捕获原理的基础上,分析了点频干扰对接收机捕获性能的影响。
- The studies show that compared with the conventional logarithmic decrement method, this method need not to determine the baseline, and is insensitive to baseline drift and low frequency interference. 研究表明，与传统的对数衰减法相比，新方法无须确定基线，估计结果对基线漂移和低频干扰不敏感。
- image frequency monitored control 视频监控
- The heroine is the spitting image of the author. 书中女主人翁是作者的真实写照。
