在改进

Then the effect of different target extraction algorithms on grating lobes was discussed in detail, a modified method based on 'abnegation method' was developed, which can achieve the optimal result in case of high sampling , simulation results prove that it is feasible.

对舍弃法进行了改进，改进后的舍弃法对自相关函数栅瓣较小的线性调频步进信号在采样率足够高的情况下，可以达到最优的处理结果，仿真结果证明了理论分析的正确性。

In this paper, a modified detection of aperiodicity, periodicity and pitch in speech method is presented, which maintains the merit of APP method and eliminates the redundancy of configuration and computation, rationalizing the methodology.

该文在深入剖析APP方法的基础上，从原理架构和技术实现两个方面消除不合理的冗余处理，提出新的改进途径，发展成为改进的APP方法，即MAPP方法。

An improved derivative estimation algorithm with a low-pass filter that can suppress the influence of high-frequency noise is suggested to remove potential drawbacks of the backward difference that was applied in neural network inversion dynamic compensation method, such as large estimation error in the presence of noise and price increase of hardware realization when high estimation accuracy is required.

针对神经网络逆动态补偿策略中基于向后差分的微分估计算法在噪声环境下存在较大的微分估计误差，且提高估计精度会增加硬件成本等缺陷，提出了改进的微分估计算法，并以加速度传感器为例，设计了动态补偿实验装置，给出了基于改进的微分估计算法的动态补偿算法的实现步骤。

A theoretical model is built to investigate the simulation of the infrared characteristic of the metal structure with the PCM false target.Structure parameters of the PCM false target that suit for the simulation are investigated numerically.According to the results,further request on the improvement of the thermal conductivity of PCM is presented.An experimental platform is built and the numerical model is validated experimentally.Three key thermal characteristic components of the false tank(barbette,wheel and front armor plate) are manufactured and tested,and good results are obtained.A method for the thermal conductivity enhancing of PCM by using aluminum fins is studied,the influence of the structure parameters of PCM plates to the simulation effects are investigated numerically,and the reasonable configuration parameters of the PCM plates used to simulate the steel plates of different thickness are obtained.In the study of the application of heat convection method in IR false target,a passive infrared simulation system is designed to simulate the infrared characteristic of metal constructions.The system is made up of pipe-plate,pump,receiver,and working fluid.

在相变材料应用于红外示假的研究中，通过数值模拟，研究确定了适用于制作假目标的相变材料各物性参数的范围，分析了相变材料制作假目标的可行性，并根据所得结果，选取石蜡为研究对象，建立了相变材料模拟金属构件红外特征的理论模型，研究了适用于模拟各金属构件红外特征的相变材料假目标的相关结构参数，得出了相变材料假目标模拟各金属构件红外特征的理论结果，并对相变材料的导热系数这一物性提出了进一步的改进要求；搭建了假目标实验平台，验证了所建理论模型的准确性；以坦克假目标为研究对象，制作了炮塔、负重轮和前上装甲板三个坦克假目标的关键红外热特征部件，并进行了野外实验，取得了较好的结果；以添加铝肋片作为改进相变材料导热能力的手段，理论研究了此类导热增强型相变材料的相关结构参数对模拟效果的影响，得出了模拟不同厚度钢板红外特征的导热增强型相变材料的结构参数及模拟效果。

Four new relative efficiencies of the best linear unbiased estimator to the covariance improvement estimator for the unknown parameter vector are given, and three new relative efficiencies of the least square estimator to the covariance improvement estimator for the unknow parameter vector are given.

本文考虑相依模型，对其未知参数向量给出了其最佳线性无偏估计相对于协方差改进估计的四种相对效率，同时，还给出了最小二乘估计相对于协方差改进估计的三种相对效率，在不同条件下，分别给出了相对效率的上界与下界。

The method provided by this paper has a good changeability and wide adaptation, and can be used in products development and performance improvement effectively, to save the time and cost during the products research and development.

本文所采用的方法和提出的改进方案在整车研发中具有较强的可变性和广泛的适应性，对于产品开发和改进过程中减少物理样机的试制和物理试验的工作量都具有重要的价值。

An enhanced drain current model,along with an improved charge conservation capacitance model,is presented by the improvement of the channel length modulation and the hyperbolic tangent function coefficient based on the Materka model.

在Materka漏电流模型基础上，改进了沟道调制因子和饱和电压系数的建模方式，电容模型采用了改进的电荷守恒模型。

To a certain extent, it has overcome proportionality factor influence and the displacement difference of the Deng interrelatedness analysis method. The experiment proves that in the examination peripheral point's continuity, the complete aspect has certain improvement compared to the Deng interrelatedness model examination.

根据邓氏关联度分析方法建立的改进模型，结合仿射变换和最小二乘法直线拟合，一定程度上克服了邓氏关联度分析方法的比例因子影响和位移差，实验证明在检测边缘点的连续性、完整性方面比用邓氏关联度模型检测的边缘有一定的改进。

The improved experiment device of interference of sound wave can feel the interference countervail and strengthening of sound in ordinary lab, and measure the sound velocity.

本文给出了改进声波干涉实验装置的具体方案，该改进装置可在普通实验室内感受声音的干涉相消和干涉加强现象，并能测定声速和频率。

Based on the results the structure use is improved and the deadweight is reduced by 18.23% for the improved structure parameters.

在此基础上进行梁的结构设计尺寸改进，获得了改进后的结构参数，梁的重量减轻了18.23%。

I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像，后来回台湾，甚至去年在北京，居然也四处看见她的海报，才惊讶她的魅力之大。