查询词典 reference ellipsoid

When the predictive states are in invariant ellipsoid set, the off-line state-feedback law is adopted. Thus, computational burden is reduced.

最后将时滞系统的滑模面作为预测控制的不变集，扩大了终端约束集，有效缩短了预测时域。

This algorithm was realized by minimizing the invariant ellipsoid of the closed loop system. Some sufficient conditions dependent on the invariant set for the satisfaction of the time domain hard constraints were also derived.

在系统初始状态小于某个界的情况下，将性能输出的能量作为优化的性能指标，通过最小化系统的不变椭圆域来实现系统优化控制，同时得到依赖于该不变域的满足时域硬约束的充分条件。

The proposed method applies the ellipsoid invariant set to the estimated state and state estimation error. The conditions of invariance and feasibility of estimated state, as well as the stability of the closedloop system are given.

该方法采用双模控制策略，将不变椭圆集概念同时应用于观测器的状态方程和误差方程，给出估计状态不变性和控制输入可行性条件并给出了闭环系统的稳定性定理。

Strength of SPBT was numerically explained on the base of Perdersen discharge model of ellipsoid void, and the conclusion was got that the discharge strength of void was an inverse measure of the cosine of oriented angle of void.

本文首次利用Perdersen的棉球气孔放电模型，定量解释了SPBT瓷体局部放电起始场强的大小，并得到瓷体中气孔发生放电的外施场强与此气孔取向角余弦成反比的结论。

This conclusion makes it clear that there is mathematic relationship between parameter ellipsoid and latitudinal density , and we have full reasons to do research on latitudinal density and latitudinal density anomaly.

这样就将不久前提出的"参数椭球"与"纬向密度"联系在了一起，使得水准椭球的纬向密度成为一种数学必然，为研究地球的纬向密度及纬向密度异常找到了充分的理由。

Drupe globose to ellipsoid, 1-3 × 0.8-1.5 cm; endocarp ligneous.

核果球状到椭圆形， 1-3 * 0.8-1.5 厘米；内果皮木质。

Seeds long ellipsoid, 2-rowed in each locule, transparent and membranous winged at both ends.

种子长椭圆形，在每子房室，透明和膜质翅在两末端里2划船。

The system uses CATIA V5 standard interface and is good of man-computer interaction. Its functions include such basal design graphic tools: driver's comfortable H point, 2D human model establishment, eye ellipsoid, head envelop surface, driver's hand reach etc, and also internal layout based the method of Expert System.Expert System in this paper differs from ordinary design software.

该系统采用CATIA V5标准界面，具有很强的人机对话能力，操作使用方便，其主要内容包括：适宜驾驶员H点、二维人体样板、眼椭球、头廓包络面、驾驶员手伸及界面等车身内部布置的基础设计图形工具，以及基于专家系统方法的车身内部基础布置设计等。

As mentioned Live/Google maps use a Mercator projection, but although their datum is based on WGS84, they use a sphere instead of an ellipsoid.

上文所说Live Map / Google Map 使用墨卡托投影，但虽然他们的大地基准应该是基于WGS84的，他们用球体模型替换了椭球体模型。

Fruit globose or ellipsoid, ca. 2 mm, covered with short and straight spinous-bristles usually fused at the base forming a thin tier; vittae 5, under the ribs; mericarp flattened dorsally, orbicular in cross section.

果球状或椭圆形的，约2毫米，为短和直具刺刚毛所覆盖通常在基部愈合成立一瘦的排；油管5，在肋骨下；分果爿背面扁平，球状的在横断面上。

He tendered his resignation to the Prime Minister.

他向首相递了辞呈。不适合

International economy and trade,Nanking 210044

国际经济与贸易，南京 210044