大家都搜：
负频率
1、frequency range───频带; 频段；[电子][通信]频率范围
2、film negative───胶片；软片
3、negative income───负所得
4、frequency───n.频率；频繁
5、negative statement───否定陈述；否定述辞；否定声明
6、negative───adj.[数]负的；消极的；否定的；阴性的；vt.否定；拒绝；n.否定；负数；[摄]底片
7、negative effect───n.负面影响; 负效应；负面影响；负效应；负磁力效应
8、frequency generator───[计]频率发生器
9、negative attitude───[医]消极态度
1、Logic '0' represented by a negative frequency deviation (of at least 115 kHz, nominally 160 kHz).───逻辑‘0‘由负向频率偏移 (K Hz K Hz)表示。
2、For rectangular window FFT interpolation algorithm, the negative frequency components of harmonic components have a greater impact on the fundamental calculation error.───加矩形窗fft插值算法，谐波的负频分量对谐波计算的误差影响较大。
3、New signal processing method with negative frequency contribution for Coriolis mass flowmeter───计及负频率影响的科里奥利质量流量计信号处理方法
4、This paper presents a new method for short-time frequency estimation with negative frequency contribution eliminated.───提出了一种实正弦信号的短时频率估计新方法。
5、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。
6、FM noise and AM noise of a negative frequency feedback (NFFB) semiconductor laser(LD)are presented.───负频反馈 (N F F B)半导体激光器的FM和AM噪声。
7、Simultaneously, analytical transformation structured by the Hilbert Transformation is used to counteract the negative-frequency.───利用Hilbert变换构造解析变换，进而滤除信号中的负频率成分；