时频分布,time-frequency distribution英语短句,例句大全

时频分布,time-frequency distribution
1)time-frequency distribution时频分布
1.Research on the weak signal detection technique and application based on time-frequency distribution;时频分布的弱信号检测技术的研究及其应用
2.Computationally efficient time-frequency distribution with recursive structure;具有迭代结构的时频分布计算方法
3.Time-Frequency Distribution and Multi-target Resolution of Radar Signal;时频分布与雷达信号的多目标分辨

英文短句/例句

1.Instantaneous Frequency Estimation Based on Adaptive Time-Frequency Distribution基于自适应时频分布的瞬时频率估计算法
2.Wigner-Ville distribution with empirical mode decomposition.基于经验模态分解的Wigner-Ville时频分布
3.Parameter Estimation of Frequency-Hopping Signals Based on Generalized Rectangular Time-Frequency Distribution基于广义矩形时频分布的跳频信号参数估计
4.Detection Based on the Rényi Entropy of Time-Frequency Distribution;基于时频分布的Rényi熵信号检测
5.A Study on Instantaneous Median Frequency of Surface EMG Signals Based on Time-frequency Distributions基于时频分布的表面肌电信号瞬时中值频率的研究
6.Time-Frequency Analysis Based on Bi-directional Gaussian Kernel and Its Application in Instantaneous Frequency Estimation双向高斯核函数时频分布及在瞬时频率估计中的应用
7.Quadratic Time-Frequency Distribution Based Speech Signal Classification and Verification;基于二次时频分布的语音信号分类与验证
8.Improved Time Frequency Distribution and Its Application in Radar Signal Process;改进的时频分布及其在雷达信号中的应用
9.Feature Extraction of Underwater Acoustic Signals Based on the Cross-components of Time-Frequency Distribution;基于时频分布交叉项的水声信号特征提取
10.Four-Parameter Subspace Matching Pursuit Algorithm with the Help of Time-frequency Distribution;由时频分布引导的四参数子空间匹配追踪算法
11.Detection Based on the Morphology of Time-Frequency Distribution;基于时频分布的数学形态学的信号检测
12.A New Method of ISAR Imaging Based on The Scale Transform in Time-Frequency Distribution Plane一种基于时频分布尺度变换的ISAR成像新方法
13.An InISAR 3-D Imaging Method Based on Joint Cross-Time-Frequency Distribution基于联合互时频分布的InISAR三维成像方法
14.ISAR Imaging with Maneuvering Taget Based on Adaptive Kernel Time-frequency Distribution基于自适应核时频分布的机动目标ISAR成像
15.Application of a synthesized time-frequency distribution to mc-PPS's detection一种综合时频分布在mc-PPS检测中的应用
16.Study on intra-pulse modulation recognition method based on time-frequency distribution image and principal component analysis基于时频分布图像和主分量分析的脉内调制识别算法研究
17.Time-frequency analysis on Wigner-Ville distribution of seismic signal based on time-frequency rearrangement基于时频重排的地震信号Wigner-Ville分布时频分析
18.Signal Detection and its Instantaneous Frequency Estimation Based on Hybrid Time-frequency Representations基于混合时-频分布的信号检测与瞬时频率估计

相关短句/例句

time frequency distribution时频分布
1.A signal adaptive time frequency distribution(TFD) radial Gausian kernel TFD is studied.对一种可调核函数的时频分布——径向高斯核函数时频分布 (RGKD)进行了研究 ,并将径向高斯核函数时频分布引入机械故障诊断。
2.The time frequency distribution (TFD) can analyze non stationary signals in both time and frequency domain.基于时频分布能同时分析信号在时间域和频率域的特点 ,针对 CDMA Overlay通信系统中时变窄带干扰抑制问题 ,提出了一种广义的时频分布——时变换域分布 ,利用接收信号的时变换域分布获得干扰的瞬时频率 ,并据此设计相应的时变滤波器对干扰进行抑制。
3.According to the seismic signals produced by moving targets such as the persons and vehicles moving on the ground, this paper studies their time frequency distribution characteristics by using the typicae time frequency analyzing method STFT so that modified complex convolution time varying filter method is used to do signal detection, thus improving the ratio of signal to noise.针对人员、车辆等地面目标运动时产生的地震动信号 ,通过典型时频分析方法STFT研究其时频分布特性 ,进而应用修改的复数卷积时变滤波方法进行信号检测 ,使信号信噪比得以提高 ,可从中提取更有效的特征向量为目标识别所
3)time-frequency distribution时-频分布
1.Preliminary analysis of time-frequency distribution of transient evoked otoacoustic emission in normal hearing human subjects;正常人耳瞬态诱发耳声发射的时-频分布初步分析
2.Thus, the standard time-frequency distribution images of all fault conditions including the gap abrasion in-formation of the main bearing can be defined.通过该方法,可以得到含有内燃机主轴承间隙磨损状态的时频信息,定义出各个标准故障状态的时-频分布图,建立了基于图像匹配技术的内燃机主轴承磨损故障诊断模型。
4)pseudo time frequency distribution伪时频分布
5)Wigner time-frequency distributionWigner时频分布
6)nonlinear time-frequency distribution非线性时频分布
1.Nonlinear time-frequency distribution and its application in frequency -hopped signal analysis are introduced.介绍了利用非线性时频分布(WVD和SPWVD)进行跳频信号分析,通过理论研究和仿真分析表明,非线性时频分布能够反映出信号的瞬时能量分布,是关于信号二阶统计量(如局部自相关函数)的Fourier变换,相对Fourier变换和线性时频分布而言,它具有更好的时频聚集性,能够很好地展现跳频信号的时频特征和能量分布,采用加窗处理等方法,可以较好地抑制非线性时频分布中的交叉项和能量分布的负值性,从而证明了非线性时频分布用于跳频信号分析研究的工程应用可行性。