查询词典 cumulative error

Asthe cumulative error in the computer calculation is relatively obvious, thesubvariable grid method is adopted in order to make the calculated resultsaccurate.

对于复杂介质模型在计算机运算中的累积误差相对较大的特点，采用一种微变网格法进行调节，很好的保证了计算结果的精度。

Corresponding compensation algorithm without cumulative error was proposed to improve the rotating motion precision with consideration of both accuracy and efficiency. Experiments were carried out and the results bear out the claims with the standard deviation of residual errors decrease by 47.4%.

在兼顾精度和效率的基础上提出了相应的无累积误差的补偿算法以提高误差补偿精度并进行了实验，使补偿后的残留误差标准差减小了47.4%，表明该方法可有效提高回转关节位置精度。

To avoid the cumulative error problem caused by auto-overflow in state observer floating operation, the whole-integer operation was proposed to improve the control precision.

为解决状态观测器中采用传统浮点数运算时，因自动下溢出产生误差的问题，提出全整数运算算法提高控制精度。

But due to cumulative error,it will produce rather big deviation for long time use,and vehicle navigation may be affected.A map-matching algorithm based on fuzzy logic is presented.

虽然GPS/DR组合定位比单独用GPS或航迹推算DR定位有更高的定位精度，但由于累积误差的产生，长时间使用仍可能出现较大的偏差，不利于车辆导航。

Besides the K-B model, a simplified model to calculate thermal conductivity was advanced which has advantage in reducing operation and cumulative error.

计算热导率可采用K-B模型或者简化模型，后者具有降低运算量，减小误差积累的优点。

Global position system can revise the cumulative error of dead reckoning navigation system,such as strapdown inertial navigation system and Doppler navigation ,with its ability of accurate navigation and positioning when it is applied to the navigation system of autonomous underwater vehicle.

全球卫星定位系统应用于远程自主水下航行器导航系统中，可利用其精密导航和定位能力对航位推算导航系统如惯导和多普勒导航的累积误差进行精密校正。

Experimental results show that the algorithm can segmentalize ROI effectively, CR is higher than 30, PSNR of the whole image is higher than 42 dB, and the object keeps original fidelity. Inter-frame CR is about 7, background has cumulative error and PSNR is higher than 40 dB.

实验结果表明，该算法在帧内能有效地划分感兴趣区域，压缩率在30以上，峰值信噪比在42dB以上，目标无失真；帧间压缩的压缩率在7左右，背景区域有误差累积，但整体图像的峰值信噪比都在40dB以上，目标无失真。

The improved voltage model of rotor flux is proposed in the paper. It eliminates the influence to actual system function in the voltage model of rotor flux for the proper drift problem and cumulative error of pure integral calculus tache.

提出了改进的电压型转子磁链估算模型，消除了电压型转子磁链估算模型中纯积分环节所固有的漂移问题和积累误差对实际系统性能的影响。

It can be found that the IPCA, as a non-iterative method, can obtain one principal component by only one calculating process. Therefore the IPCA is not only fast in calculation, but can avoid the cumulative error suffered by iterative methods.

使用模拟和实验HPLC-DAD数据对IPCA进行了验证，结果表明IPCA是一种非迭代方法，只需要完成一次计算过程即可得到一个主成分，因此IPCA不仅能够显著提高运算速度，而且可以避免迭代法中的误差积累问题。

In this paper, firstly, the new combined error model of cumulative geoid height influenced by three error sources including the inter-satellite range-rate of K-band ranging system, orbital position of GPS receiver and non-conservative force of accelerometer from GRACE satellites is established using the semi-analytical method. Secondly, the dependability of error models is demonstrated based on matching relationship among the accuracy indexes of key payloads. Finally, the accuracy of global gravitational field up to degree and order 120 is effectively and rapidly estimated from GRACE Level 1B measured observation errors of the year 2006 publicized by the Jet Propulsion Laboratory in the USA, and the cumulative geoid height error is 18.368 cm at degree 120, which preferably accords with the Earth's gravitational field model EIGEN-GRACE02S provided by the GeoForschungsZentrum Potsdam in Germany.

首先基于半解析法建立了新的GRACE卫星K波段测量系统星间测速、GPS接收机轨道位置和加速度计非保守力误差联合影响累计大地水准面的误差模型；其次，基于各关键载荷精度指标的匹配关系，论证了误差模型的可靠性；最后，基于美国喷气动力实验室公布的2006年的GRACE Level 1B实测误差数据，有效和快速地估计了120阶全球重力场的精度，在120阶处累计大地水准面的精度为18.368 cm，其结果和德国地学研究中心公布的EIGEN-GRACE02S全球重力场模型符合较好。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。