But when scientists started looking at the data overlaid onto a map, they saw dark spots of fuzz, indicating radio frequency interference.
但当科学家们开始将这些数据分布在地图上观察时，他们发现了一些模糊的黑点，表示无线电频率的扰动。
In the range of low frequency, Conducted interference is primary pass.
在低频范围内，传导干扰是电磁干扰的主要形式。
This paper investigates blind space-time interference suppression for MultiCarrier CDMA (MC-CDMA) system in frequency selective Rayleigh fading channel.
该文研究在频率选择性瑞利衰落信道中MC-CDMA系统的盲空时干扰抑制。
The basic idea using array sweeping to suppress harmonic interference is to reasonably design each sub-sweeping frequency band that can reach the goal of elimination of harmonic interference.
利用组合扫描压制谐波干扰的基本思想就是合理地设计各个子扫描频宽，达到消除谐波干扰的目的。
A detailed analysis about the circuit waveform and experimental data is also given the multi-frequency peak value and the frequency interference during the experiment are all analysed and processed.
分析了电路波形及实验数据、对实验研究过程中的多频率峰值、谐波干扰和幅值干扰等进行了分析和处理。
We adopt phased - array technology in the design of SKA (Square Kilometer array) now. One reason for this is to make use of adaptive nulling techniques to combat frequency interference.
在SKA(平方千米阵列)的设计中，采用相控阵技术的一个原因是想利用其自适应零点形成技术来抵抗频率干扰。
In addition, the RFI (radio frequency interference) generated may disrupt high speed logic circuits in the system.
此外，由此产生的射频干扰(RFI)可能会中断系统中的高速逻辑电路。
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 offset of carrier frequency can cause interference between subchannels in a multicarrier system.
对于多载波系统，载波频率的偏移会导致子信道之间产生干扰。
An interference adaptive trapper for operating frequency power supply, based on the principle of adaptive noise canceller, has been designed.
本文根据自适应噪声对消器的原理设计出一种性能优良的工频电源干扰自适应陷波器。
This paper investigates various combined frequency interference in integrated and double-converted transceivers, and points out that the reason is the non-linearity of frequency mixer and amplifier.
研究了一体化二次变频收发信机中各种组合频率干扰的产生原因：主要是由于混频器和放大器的非线性。
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。
In cellular systems, transmitter power must be controlled in order to reduce the co-channel interference caused by frequency reuse.
在蜂窝通信系统中，为了减小由于频率复用造成的共信道干扰，必须对用户的发送功率进行控制。
Modulating a long foil at high frequency and high voltage transmits significant radio frequency energy, which may cause interference with radio communications.
装备一个长叶片在一个高频率高电压的传输将引起无线电频率辐射，可能引起无线电交流冲突。
It can waken the multipath effect availably, eliminate symbol interference and fight against frequency select fading. Moreover, the channel utilization rate is high.
他能有效地对抗多径效应，消除符号间干扰，对抗频率选择性衰落，而且信道利用率高。
The zero transfer point can be set arbitrarily by appropriately selecting transmitting periodic time T and number N, and it is advantageous to eliminate some interference in some frequency points.
适当选择发射周期T和周期数N就可以随意设置梳状滤波器的零传输点，有利于消除某些频率的干扰；
Analyzing the Galileo frequency structure and signal design, performance and interference, this article demonstrates the presented Galileo frequency and signal plan is superior to GPS.
分析了伽利略系统的频率结构和信号设计、性能及干扰，阐明了伽利略系统的频率和信号设计比GPS更具优势。
The most major advantage of the method lies in the fact that only the interference wave with single frequency can be suppressed, and the loss of useful signal is very limited.
本方法的最大优点是仅对单频干扰波进行有效的压制，对有效波的损失很小。
New interference methods, such as sweeping frequency interference and faster-hop-collision interference, become a new focus of electronic countermeasures to FH communication systems.
扫频式干扰、更高跳速碰撞干扰等新的干扰方法成为跳频通信系统电子对抗领域中又一重要研究方向。
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。
Discusses the effect of the suppression interference when pulse repeated frequency is higher.
分析了提高脉冲重复频率对干扰的抑制性能。
Another source with a 12v battery, a 50hz effective frequency to avoid interference due to the reduction of power conversion circuits, the entire hardware circuits are more simplified.
另外电源采用了12V蓄电池，有效的避免了50hz工频干扰，由于减少了电源转换电路，整个的硬件电路也更加的简化。
Trans station interference is a distant interference of the same frequency in multi station microwave transmission.
越站干扰是微波多站传输中的一种同频远端干扰。
The cause of radar Shared frequency interference phenomenon occurred is analyzed, and the technical measures to solve radar Shared frequency interference are presented.
对雷达同频干扰现象的产生原因进行分析，提出解决雷达同频干扰的技术措施。
The results show that the developed antenna choke ring can effectively reduce the multi-path effects and can improve the interference-resistant ability of the single frequency GPS receiver, NTSCGPS-1.
结果表明，研制的天线扼流圈可有效地削弱多路径效应的影响，并可明显地改善单频GPS接收机ntscgps - 1的抗干扰能力。
Frequency-selective frequency hopping(FH) cosite d interference is a typical long impulse response interference.
跳频同址干扰具有频率选择性，是典型的长脉冲响应干扰。
Brillouin enhanced four wave mixing, whose interference beat frequency drives an acoustic field, can improve the SBS phase conjugation fidelity.
采用四波混频加强SBS的方法，其相干拍频驱动声子场，能提高SBS相位共轭保真度。
Brillouin enhanced four wave mixing, whose interference beat frequency drives an acoustic field, can improve the SBS phase conjugation fidelity.
采用四波混频加强SBS的方法，其相干拍频驱动声子场，能提高SBS相位共轭保真度。
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