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single frequency noise 单频噪声
While hunting on the3) seabed they emitted a4) weird5) medium frequency noise. 在海底猎食时，们发出一种奇怪的中频率杂音。
While hunting on the 3)seabed they emitted a 4)weird 5)medium frequency noise. 在海底猎食时，??欠3.;鲆恢制婀值闹衅德试右簟
The real single frequency sinusoidal signal under white Gaussian noise is common signal in industry.This paper presents a new method for phase estimation of sinusoidal signal based on bispectrum. 高斯噪声背景下的单频实正弦波信号是工业现场遇到较多的一类信号,本文针对此类信号提出了一种基于双谱分析的正弦波初相估计方法。
While hunting on the seabed they emitted a weird medium frequency noise. 在海底猎食时，它们发出一种奇怪的中频率杂音。
Harmonics can be added to a wave which has a single frequency to produce a complex wave. 谐音加在单频波上产生复波。
The criterions of high frequency noise,background noise and reduce coefficient were presented. 导出了原子光谱高频噪声判据，背景噪声、压缩系数关系判据；
The phase velocity basically tells you how fast a pure sine wave (with a single frequency) moves. 相速度可以告诉我们一个纯正弦波的传播速度。
Use of high loss ferrite material for excellent high frequency noise absorption. 使用优质高衰减铁氧体磁芯提高高频噪音隔离.
The observed signals are filtered and demodulated into a number of single frequency stationary signals. 观测信号经滤波和解线调处理，变换为一系列单频平稳信号。
Secondly, we generated different single frequency sections by rearranging frequency contents. 然后按照频率重排产生共频率的剖面；
In sound recording,a low frequency noise usually produced by regular variations in the speed of a system's mechanical component. 录音技术中的一种低频噪声，通常由于系统机械部件的速度有规律变化而引起。
Experimental Studies of Single Frequency DBR Fiber Laser and Temperature Sensing[J]. 引用该论文黄文财;明海;陈曦曜;谢建平;许立新;王安廷;吕亮;吴云霞.
How can this triple-decker system be played over several octaves so as to produce a single frequency? 这种三层系统如何从几个八度音阶当中发出某一个频率呢？
By using this method, the impact on depressing the partial vibration and the radiation of the low frequency noise of the structure underwater is efficacious. 采用增大局部结构刚度的方法，对于降低水下结构的局部振动与低频噪声辐射效果显著。
In sound recording, a low frequency noise usually produced by regular variations in the speed of a system's mechanical component. 录音技术中的一种低频噪声，通常由于系统机械部件的速度有规律变化而引起。
While single frequency tones worked on certain phone routes, the most common signaling on the then long distance network used Multi-Frequency tones. 而某些单频音调闪耀电话线最常见的则长途信令网采用多频音调。
Helmholtz resonator has a good noise eliminating performance at low frequency.So it has been widely used on low frequency noise reduction. 摘要亥姆赫兹共振腔具有良好的低频消声性能，被广泛地应用于低频消声方面。
The large C1 cap rolls off the gain of the regulator starting at a low frequency so that high frequency noise isn't amplified by the error amp. 这个大的电容C1从一个较低的转折频率开始滚降，所以高频噪音没有被误差放大器放大。
The develop ment of novel single frequency devices shows a bright future for near infrared laser diodebased gas sensing. 新型单频器件发展表明近红外激光二极管气体传感具有广阔前景。