针对运动目标参数估计问题，主要研究基于时频分析的参数估计方法。
The methods of motion parameters estimation are then investigated based on time-frequency analysis.
文章提出了一种水声网络探测节点的运动目标参数估计方法，即基于模型匹配原理的估计算法。
A moving target parameters estimation algorithm, which is based on the principle of model matching and used for underwater acoustic networks detection nodes, is proposed in this paper.
在模型基础上系统地介绍了已有分布式目标参数估计方法，包括最大似然与最小二乘算法，DSPE和DISPARE算法等。
Systematically introduced parameter estimation of distributed sources on the base of models, including the maximum likelihood estimate, least squares estimator, DSPE, DISPARE, etc.
提出了一种利用基于距离参数的最小二乘滤波器群的纯方位跟踪目标参数估计器，该估计器是由若干个处地不同的距离区间上的加权最小二乘滤波器组成。
In this paper, a new bearings only tracking approach, which consists of a set of weighted least squares filters (LSF) each with a different initial range estimate, is proposed.
在水下信号处理中，参数估计和目标识别是两类非常重要的问题。
During underwater signal processing, parameter estimation and target identification are two kinds of important problems.
由于以上方法无法检测点、线目标，本文提出了一种新的参数估计方法。
For the lack of point target and line detection in the above mentioned methods, a new parameter estimation method is then introduced.
提出了一种基于空间目标运动轨迹提取的矢量脱靶量参数估计新方法。
A new approach for estimating the vector parameters of the target is presented, which is based on the extraction of the target motion trajectory in space.
针对测量雷达要实时准确获得目标速度、加速度测量值的问题，提出了一种基于频谱细化的参数估计方法。
To estimate the parameter of velocity and acceleration with high accuracy and in real time for the measurement radar, an improved method based on spectrum zooming is proposed.
雷达目标散射中心的参数估计对目标特性分析和目标识别有重要意义。
Parameter estimation of radar target scatterer plays an important role in the process of target characteristics analysis and target recognition.
由于对油气井和地层参数估计困难，设计目标与实施结果可能存在较大的差异，导致测试资料的可解释性差。
Because it is difficulty for estimating parameters of well and formation., it is different between design goal of well testing and results of test and results in interpretation error of data.
提出一种基于目标空间运动轨迹提取的矢量脱靶量参数估计新方法。
A new approach for estimating the vector miss distance parameters of the target is presented, which based on the extraction of the target motion trajectory in space.
目标跟踪可概括为目标提取、运动参数估计、目标匹配几个过程。
Object tracking could he generalized as object extracting, estimation of parameters of motion.
文中建立了这种情况下的分布式目标模型，提出了分布式目标的空间二维参数估计简化算法。
In our paper, it is presented a simplified distributed signal estimation method based on a special model, and computer simulations confirm the method presented.
参数估计是无源雷达系统的一项关键技术，其精度直接影响到目标定位精度。
Parameter estimation is a key technique in the passive radar system, since its precision influences the location precision directly.
为了使作物生长模型中的参数最优化，提出了一种改进型非线性最小二乘法在作物生长模型中隐含参数估计的应用技术，针对多目标项的情况提出了权矩阵的自动计算方法。
In order to optimize the parameters in a crop growth simulation model, a new method based on nonlinear least squares method was developed for estimation of hidden parameters of crop growth.
为了使作物生长模型中的参数最优化，提出了一种改进型非线性最小二乘法在作物生长模型中隐含参数估计的应用技术，针对多目标项的情况提出了权矩阵的自动计算方法。
In order to optimize the parameters in a crop growth simulation model, a new method based on nonlinear least squares method was developed for estimation of hidden parameters of crop growth.
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