Electromagnetic or radio frequency interference, except for physical damage to the Satellite directly resulting from such interference. 电磁或射频干扰,但该干扰直接造成卫星或转发器的物理损失除外。
The Radio Frequency Interference ( RFI) makes the most performance degradation for the Synthetic Aperture Imaging ( SAI) and the object detection of Stepped-Frequency Ground Penetrating Radar ( SFGPR). 步进频率探地雷达应用中,射频干扰严重影响合成孔径成像效果和目标检测性能。
A disadvantage of UTP is that it may be susceptible to radio and electrical frequency interference. 处于不利地位的UTP是,它可能受到电台和电频率干扰。
Review on radio frequency interference and strategies in the border areas 边境地区无线电台站频率冲突分析与对策研究
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。
Such false positive signals are, to SETI, Radio Frequency Interference ( RFI). 对于SETI就如由于无线电干扰(RFI)而出现的错误的活跃信号。
Arcing: The RFI ( radio frequency interference) generated by high voltage switching may disrupt high speed logic circuits. 电弧:高压切换产生的RFI(射频干扰)可能会干扰高速逻辑电路。
The Radio Frequency Interference and Suppression Measures in the Transmitter System 发射机系统内的辐射干扰与抑制措施
The inappropriate frequency configuration in subway often generates the problem of radio frequency interference. 提出了地铁中由于频率配置不当产生无线电频率干扰问题。
Remote control with the subject of radio frequency interference, will be automatically blocked. 遥控器在遭受到同频率的无线电干扰时,会自动封锁。
Coherent optical beam formation is a new wideband radio frequency beam-forming technology, which is based on optical interference, diffraction principle and optical Fourier transformation. 相干光学多波束形成技术是根据光学的干涉与衍射原理,利用光学傅里叶变换而实现的一种新型的宽带射频多波束形成技术。
Radio frequency interference suppression in switched-mode power supplies 抑制开关电源的射频干扰
For the existing nonstationary spatial characteristics of radio frequency interference ( RFI) in high frequency ( HF) radar, Fabrizio came up with an interference rejection method. 针对高频雷达中存在的射频干扰空间结构非平稳特性,Fabrizio提出了一种干扰抑制方法。
Analysis of Power Frequency Electric Field and Radio Frequency Interference for State Grid Typical Design Transmission and Distribution Projects 国网典型设计220kV输变电工程的工频电场和无线电干扰分析
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。
In ultra wideband synthetic aperture radar ( UWB SAR), the radio frequency interference ( RFI) suppression capacity can be greatly improved by putting an adaptive predictive error filter before the process of image formation. 在超宽带合成孔径雷达(UWBSAR)系统中,若将接收信号先通过一个自适应预测误差滤波器,然后再进行成像处理运算,能极大改善其抑制射频干扰(RFI)能力。
This paper analyses the characteristics of the clutter of a rail Ground Penetrating Synthetic Aperture Radar ( Rail-GPSAR). An approach for clutter suppression is proposed, which uses eigen-subspace based filtering to degrade both the Radio Frequency Interference ( RFI) and the coupling clutter. 详细分析了轨道地表穿透合成孔径雷达(Rail-GPSAR)所受到的各种干扰的特性,发现特征子空间滤波法能够有效地同时滤除射频干扰(RFI)和耦合杂波。
A method of removing radio frequency interference in NQR detecting system 一种消除核四极矩共振探测系统中射频干扰的方法设想
We first present the parametric model of Radio Frequency Interference ( RFI) suppression in Ultra WideBand Synthetic Aperture Radar ( UWB SAR). Starting from the problem of signal parameter estimation, we deduce in detail the computation formula of RELAX algorithm for real valued signal. 在首先给出超宽带合成孔径雷达(UWB-SAR)抑制射频干扰(RFI)问题的参数化模型基础上,从信号参数估计出发,具体推导了实信号下RELAX算法的计算公式。
This paper brings forth a new idea about integrating interference localization and adaptive nulling techniques against uplink radio frequency interference, which causes severe degradation on the performance of satellite communication system. 上行干扰会造成卫星通信系统性能严重下降,故提出了干扰源定位与自适应调零技术一体化实现的新构想。
An Adaptive Radio Frequency Interference Suppression Method of SAR Based on Wavelet Pack Analysis 基于小波包分析的SAR射频干扰自适应抑制方法
Radio frequency interference will cause severe degradation on satellite communications link performance, and adaptive nulling antenna is an effective anti jamming measure for communication satellite. 射频干扰会严重影响卫星通信链路性能,而自适应调零天线是一种有效的卫星抗干扰措施。
HF Radar Radio Frequency Interference Suppression Based on Time-Frequency Analysis 应用时频分析进行高频雷达射频干扰抑制
GPS and radio frequency interference GPS射频干扰浅析
With the development of high speed print circuit board, radio frequency identification system and radio frequency device, radiated electromagnetic interference ( EMI) is generated by electronic device. And many other devices are influenced seriously, even electrical miss-operation fault. 随着高速数字印刷电路、无线射频识别系统以及射频器件的迅速发展,电子设备产生的大量辐射电磁干扰噪声严重影响其它设备的正常运行,甚至出现误操作等问题。
The high temperature radio frequency superconducting quantum interference device ( HTS RF SQUID) magnetometer is characterized by direct measurements of magneticfields, low noise, broad bandwidth and excellent low frequency response. 高温超导磁强计具有可直接测量磁场、低噪声、频带宽、低频响应好的特点。
Microwave radiometer is widely used in many fields, however, radio frequency interference ( RFI) from a large number of radio equipment deteriorates the accuracy of microwave radiometer measurement seriously. 微波辐射计在众多领域有着广泛的运用,但大量无线电设备使用带来的射频干扰(RFI)严重影响了微波辐射计的测量精度。
At last, this paper analyzes the detrimental effects radio frequency interference have on microwave measuring and presents a test method based on KURTOSIS theory. 最后,本文分析了射频干扰(RFI)对微波辐射测量的影响,并提出了应用KURTOSIS原理检测RFI的理论依据。
The IMI mainly include the radio frequency interference, the lightning in the air, and the meteor echo in the universe. 瞬态干扰主要包括无线电射频干扰、大气中的闪电干扰、流星余迹干扰回波等等。