查询词典 error model

According to the theory of electromagnetic field and the theory of error a nalysis,the far field condition for antenna test is discussed,the influence of limited test distance on antenna far field measurement in a microwave anechoic chamber is analysed, and the error model is established.

利用电磁场和误差分析理论，在阐述天线远场测量条件的基础上，分析了微波暗室有限测试距离对天线远场测量的影响，建立了误差模型，并结合实例说明了微波暗室有限测试距离对天线场强测量、增益测量的影响。

With regard to Space Club Convergence the thesis deems that its distinguishing should abide by firstly using Exploratory Spatial Data Analysis to divide space regional groups and then choosing suitable spatial autoregressive model or spatial error model and spatial cross-regressive model to examine Space Club Convergence in the same group.

在对区域分组方法的讨论中，本文通过对各种方法的优缺点的比较后认为，能够充分考虑各种经济增长影响因素的相似性，并提取分组过程中各因素重要性的分类回归树分析方法是较适合时间俱乐部趋同的区域分组方法。

The paper makes use of the theory of Grey system forecast to resolve the ammunition and rocket system development cost evaluation, establishing the GM model of Grey systems and cumulative residual error model, then correcting the GM forecast model.

该文应用灰色系统预测理论解决弹箭系统研制费用估计问题，建立了灰色系统GM预测模型和n次累加残差模型并对GM预测模型进行修正。

As shown by the experimental results, the calibration method is very effecting, easy to judge the error of LINS caused by each coefficient in its error model and the effectiveness of error coefficient compensation.

实验研究结果表明，作者提出的校准方法效果明显，容易判断每一项误差系数在LINS中对导航信号精度的影响及补偿效果，整个校准过程的时间h，适合工程上使用。

In view of the inclining error in installing to the work-piece in lapping, an analytic method for profile error is presented, new and old rectangular coordinates are established, and error model of work-piece between its actual and ideal curve is deduced through coordinate transform.

针对研磨中工件的安装倾斜误差，提出了导致工件面形误差的分析方法，建立新、原坐标系，应用坐标变换，推导出工件曲线上各点相对理想曲线对应点的误差模型。

Main factors to bring ultrasonic level measurement error were studied and emendable error model of ultrasonic level measurement instrument was established according to the error characteristics in the process of measuring.

本论文运用化学计量学中的回归分析法、最优化方法、模式识别方法和计算机技术，对原油生产集输过程的实时盘库系统（目前国内尚未解决的难题）和气相色谱分析进行研究，完成了以下研究工作。

In the intersatellite coherent optical communication, the vibration of a satellite will lead to a pointing error of transmitting and receiving antennas, which will decrease the signal-to-noise ratio and increase the bit error rate. In this paper, the Rayleigh distribution is taken as the pointing error model caused by satellite vibration, and PSK homodyne communication scheme is used as an example to analyze the influence of the satellite vibration on the system instantaneous BER and average BER. The simulation calculation result of BER is given.

针对星间相干激光通信中卫星平台的振动造成发射天线和接收天线的瞄准角误差，使系统信号信噪比下降，误码率增加，该文以瑞利分布作为振动造成的瞄准角误差模型，结合高斯本振光和艾里信号光外差检测模型，以PSK零差通信体制为例分析卫星振动对系统的瞬时误码率和平均误码率的影响，给出误码率仿真计算结果。

A new adaptive clock error model was put forward in order to determine the GPS error state model in GPS/ INS tightly integrated system.

针对GPS/INS深组合系统中GPS接收机误差状态模型难以确定的问题，文中提出了一种自适应的时钟误差模型。

The simulation result of error model of six-bar linkage of 5 degrees in the machine shows that the error model base on the method above is accurate and the modeling method is correct and reliable.

五轴并联机床约束机构误差模型仿真结果表明，上述建模方法正确、可靠，由此得到的误差模型精度高。

Series of criterion of evaluation is put forward and test and evaluation platform of tactical unit is established, including air strike model,measurement error model and evaluation arithmetic model.

提出了评估指标体系，建立了测试与评估试验台，其中包括空袭模型、测量误差模型、评估算法模型等，并在此基础上通过模拟典型空袭模式给出部分评估结果。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失