By using temporally invariance , constructing two sub - arrays with same array shape , direction of arrival estimation can be obtained using esprit technique 利用时延数据，以时间变元为旋转因子，构造了两个具有相同阵形的子阵，采用esprit实现了对目标信号的波达方向估计。
Soil nitrate concentrations were estimated based ontdr ecw and a simple linear calibration of ecw vs nitrate concentrations and then predict the soil column nitrate 研究表明，利用时域反射技术得到的土壤溶液电导率计算的硝态氮浓度随溶液电导率以及土壤含水量的变化而变化。
The statistical performance of the joint estimation method is discussed based on the simulation , and the results show the good performance of the method at low snr . 4 研究了低信噪比情况下利用时频分析方法进行时延和多普勒频移联合估计的性能，表明联合估计方法的统计性能良好。
5 . one dimensional tsa is expanded to two dimensional one by using two dimensional phase unwrapping technique . it is useful for the modification of some algorithms in cia theory 利用时频分析方法对带腔体目标进行分析，提出了在强噪声环境下检测具有复杂散射机理的目标的一种方法。
In this paper , researches based on one - - dimen - sional photonic cystal and its app1ications are developed . in theory , the finite - - difference time - - domain ( fdtd ) method is re - searched 在理论工作中，研究了时域有限差分法理论，利用时域有限差分法建立了研究一维光子晶体能带结构的模型。
A novel technique has been developed to diagnose the operating faults of the dry screw vacuum pump by monitoring the vibration and by analyzing spectrum of vibration frequency and the time domain waveform 摘要针对干式螺杆真空泵的运行故障，采用振动监测的方法，利用时域波形和频谱分析技术进行故障诊断。
Chapter two is one of the focal points in this paper , which analyzed the theory flaw of the personality right - property right dichotomy theory when protecting the merchandised real person ’ s publicity 第二章是研究的重点之一,分析了人格权? ?财产权二元对立理论格局保护真实人物形象商业化利用时的理论缺陷。
When domestic resources of the home country have fully used , the domestic unnecessary capital will be able to constitute the inflation the pressure , by now thus the capital transfer left country has the advantage 当母国国内的资源已充分利用时,国内多余资本将会构成通货膨胀的压力,因而这时资本转移出境是有好处的。
The method and theory of time - frequency analysis based on short - time fourier transformation are studied and the wave arrival points of easy component are determined by making software and using time - frequency analysis 研究了基于短时傅里叶变换的时频分析方法理论，并通过编制软件利用时频分析方法确定各组分波的波至点。
( 3 ) the optimum analysis about the magnetorheological structure . under the fixed optimum goal , the optimum design of the magnetorheological structure is carried by using the method of time - history analysis ( 3 )磁流变阻尼结构的优化分析在既定的优化目标下利用时程分析方法对磁流变阻尼结构进行优化分析，且得出了优化布置结果。
