dominant frequency

Influence of the variety of the apparent dominant frequency of Ricker wavelets on the detection effects of chaotic oscillator

Ricker子波视主频的变化对混沌振子检测效果的影响

The computer dominant frequency is higher, the parallel computing performance is better.

计算机主频越高，并行计算性能越好。

Recursive noise elimination in f-x domain and spectrum equalization under dominant frequency restriction

优势频率约束下的递推f-x去噪和谱均衡方法

Severe weather warning information issued by the technology of RDS, and added up to the dominant frequency to launch.

利用RDS技术发布气象预警信息，与主频广播信号叠加后发射。

The accuracy of extracting the dominant frequency is studied by calculating the fault distance with the simulations results.

并仿真分析验证了该故障测距方法的适应性和精确性。

Results In the basic state of the patients with active duodenal ulcer, dominant frequency and percentage of normal gastric slow wave were lower than in the healthy subjects ( P 0.05);

结果：十二指肠溃疡病人基础状态胃电主频率、正常胃慢波百分比明显低于健康人（P0.05）；

Instantaneous attributes including amplitude, instantaneous frequency, bandwidth, dominant frequency and decay rate are used to analyze thin interbeds.

利用地震瞬时谱的属性（包括瞬时振幅、瞬时频率、瞬时带宽、瞬时主频及瞬时品质因数等）进行地震薄互层分析。

We found that the converted electromagnetic wave has symmetrical two dominant frequency crests in the spectrum.

在频谱分析中发现，转换电磁波在频率谱上存在对称的双主频峰。

Experimental results about influence of gas saturation upon compressional head wave velocity, amplitude and dominant frequency

含气饱和度对纵波首波速度、振幅及主频影响的实验结果

Prediction of Dominant Frequency of Self-Sustaining Oscillation Derived from Free Shear Layer

喷口自由剪切层自激振荡优势频率的预测

Most of the conventional data fitting methods use orthogonal polynomials, which have shortcomings such as lowering the dominant frequency, distorting the breakpoint and the enormous error, etc.

在传统的地震数据拟合技术中大都采用正交多项式拟合方法，这种拟合方法的拟合结果存在拟合不够准确的缺点，导致处理后地震数据的主频降低、断点变形。

It can compute the seismic resolution limit in time and space ( 1/ 4 wavelength) according to seismic apparent dominant frequency and the velocity of targets.

根据地震视主频和目的层的速度可以计算出空间和时间地震分辨率（1/4波长）极限。

The dominant frequency of wavelet is estimated by using quality borehole-side seismic trace of migrated depth section, and zero phase wavelet is used here.

要在深度偏移剖面上选取品质较好的井旁地震道计算子波的主频，要选用零相位子波。

Conclusion The dominant frequency uncertainty analysis of alpha band showed clear superiority of computerized evaluation over routine visual assessment for the diagnosis of minor cerebral ischemia.

结论应用脑α波优势频率不确定性分析评价脑的缺血反应比EEG判读更优越。

The distributions of the values of fluctuating pressure conform to the law of normal distribution; and the dominant frequency is low frequency.

脉动压强幅值分布符合正态分布规律，优势频率为低频。

Experimental results show that the dominant frequency of spiral wave decreases rapidly and then slowly with the increase of the chord-wise position.

实验结果表明，螺旋波主频随着弦向位置的增大先是迅速而后平缓减小。

Objective To study the influences of target tone recognition task on dominant frequency fluctuation structure of EEG.

目的研究靶音识别作业对脑波α段频率涨落特征的影响及各优势成分的作业相关变化。

Method to Determine the Dominant Frequency of the Synthetic Seismogram

确定合成地震记录子波主频的方法研究

Only when the cutting speed is slower than that of combustion reaction, the dominant frequency relates to the waviness frequency of cut front.

当切割速度小于燃烧反应速度时，光信号主频与切割面波纹频率一致。

The results were as follows: 1. The dominant frequency and pulse duration were increased when young greater horseshoe bats grew increasingly.

马铁菊头蝠声波主频率、声脉冲时间随幼蝠的生长发育而逐渐升高；

The main parameters that effect horizontal resolution of migration imaging were identified as medium velocity, dominant frequency of seismic wavelet and aperture angle of migration processing.

结果表明，影响偏移成像水平分辨率的主要参数是介质速度、地震子波主频和偏移处理的孔径角。

The dominant frequency in an inward-emitting coaxial virtual cathode oscillator is solved analytically based on the steady-state relativistic-fluid-Maxwell equations.

对向内发射同轴虚阴极振荡器微波主频进行了解析求解，利用稳态相对论流体Maxwell方程组得到了微波主频所满足的方程；

Speech Feature Extraction Algorithm Based on Subband Dominant Frequency Information

基于子带主频率信息的语音特征提取算法

Vibration frequency of shells is effected on the first 10 order dominant frequency.

容器壳体的振动频谱主要受前10阶固有频率的影响；

Frequency domain mainly uses the Fourier transform to get the frequency spectrogram or power spectrum, then determining the dominant frequency by the peak points.

频域方面主要采用傅里叶变换得到频谱图或功率谱，由峰值点确定振动的主频位置。

Assessment of influence of earthquake dominant frequency on active tuned mass damper resistant control design

地震卓越频率（EDF）对主动调谐质量阻尼器抗震控制设计的影响评价

With the digital technology in recent years, Direct Digital Synthesis ( DDS) technology had got development rapidly and been one of dominant frequency synthesis techniques.

随着数字技术的发展，近十几年来，直接数字频率合成（DDS）技术发展很快，已发展成为主要的频率合成技术之一。

It is possible to predict coal seam thickness with trace integration method, but the type and dominant frequency of wavelet have an effect on the calculated coal seam thickness.

道积分法反演煤层厚度，其计算的煤层厚度往往受到地震子波的类型和主频的影响。

Dominant Frequency Uncertainty Analysis of EEG α Activity in Pilots with Transient Ischemic Attacks

发生脑短暂性缺血发作的飞行员脑α波优势频率的不确定性分析

By taking the dominant frequency determined as the objective, the poststack high resolution processing is carried out for the seismic data;

以确定出的主频为目标，对地震资料进行叠后高分辨率处理；