negative frequency

基本解释

We are everyday now in a blundering magnetic field, very much negative frequency is affecting us.
我们现在每天都在一个浮躁的磁场中，很多负面频率在影响我们。
A new signal processing method for Coriolis mass flowmeter is proposed, which is based on the recursive DTFT algorithm and considers the contribution of negative frequency.
基于DTFT递推算法，提出了一种计及负频率影响的科里奥利质量流量计信号处理方法。
The FM noise and AM noise of a negative frequency feedback (NFFB) semiconductor laser(LD)are presented. The FM noise (linewidth)can be reduced greatly by NFFB technique under proper conditions.
本文用半经典理论研究了负频反馈（NFFB）半导体激光器的FM和AM噪声。在适当的条件下，FM噪声（线宽）可用NFFB技术得到极大的抑制。

But May 6 could happen again and the SEC needs to be prepared, according to James Angel, a Georgetown finance professor who has been warning about the possible negative effects high frequency trading since last year.
FORBES: High Frequency Traders Face SEC/CFTC Panel
Overdahl insists, however, that the firms are not adopting a new name because of any negative overtones to high-frequency trading, which remains important to many of them.
FORBES: Market Players
Given the frequency of invisible promotions — and their potential negative consequences —it might make sense for you to periodically look at your own job to assess unrecognized scope changes.
FORBES: Are You The Victim Of An Invisible Promotion?