查询词典 quaternion

Based on the data analysis of earthquake disasters in Sichuan-Yunnan region,the tendency of the next strong earthquake is predicted by commensurability of ternary,quaternion and quintuple,for the purpose of disaster prevention and reduction.

在对川滇地区强震灾害数据分析的基础上，应用三元、四元、五元可公度法分别预测了该地区下次可能发生强震的趋势，以便能更好地配合防震减灾工作。

Company in Beijing with Quaternion Bridge 4S stores, provide Istana commercial vehicle sales and service.

公司在北京四元桥设有4S店，提供伊思坦纳商务车销售和服务工作。

Keep in mind that, as is the case with matrices, quaternion multiplication is not commutative!

紧记，矩阵在此种情况下，四元数的乘法是不可进行交换的。

A 2D harmonic model based on the quaternion was constructed,and a special four-order cumulant was defined.

构造了合适的基于四元数的二维谐波模型，根据此模型定义了特殊的四阶累积量切片，分析了加性高斯在有色噪声中的二维三次非线性相位耦合。

This paper makes further research on the error,caused by use of a single step or a variable step of Runge Kutta to solve the Euler equation of quaternion method, find that the large error results from cumulated error with single step, and when using the variable step,the cumulative error is less.

结果表明，定步长时有很大的累积误差，单位四元数的"单位"性不能得到满足，而变步长有明显的改观，对一般的飞行模拟状态，都能得到较好的模拟结果，可以在实际中使用。

In this paper, decomposition of a quaternion matrix is systemically studied.

本文系统的研究了四元数矩阵分解理论。

Jerome's "Prologus Galeatus" and his prefaces to individual books; the capitula, or summaries of contents; and, in the first quaternion, certain materials which have been much discussed and have proved of the greatest service in tracing the history of the codex, among them dedicatory verses, a list of the books contained in the codex, a picture of the Tabernacle (formerly thought to be Solomon's Temple), a division of the Biblical books according to Jerome, another according to Hilary and Epiphanius, and a third according to Augustine.

除了文圣经的书籍，它包含了圣杰罗姆的" prologus galeatus "，而他的序跋，以个别书籍； capitula ，或摘要的内容，以及在第一次四元，某些材料，其中已有不少讨论，并已证明的最大的服务，追查历史上的法典，其中有奉献小诗，赠书书单载于法典，图片的帐幕的一个事业部，圣经书籍据杰罗姆，另据希拉里和epiphanius ，和第三条根据奥古斯丁。

The updating algorithm of Strapdown matrix is one of the crucial techniques of SINS. There are several kinds of attitude updating algorithms of SINS, such as direction cosine algorithm and quaternion algorithm.

捷联矩阵更新算法是捷联系统的关键技术之一，捷联惯导系统姿态算法有欧拉角法、方向余弦法、四元数法和圆锥补偿算法等几种方法。

Basing on the famous Schur theorem on real quaternion division algebra and the operation of matrix, some properties and judging criterions of skew self-conjugate matrix are obtained. Several theorems about characteristic value, similar decomposition and real expression of skew self- conjugate matrix are gained.

借助四元数体上的Schur三角分解定理和体上矩阵的运算，得到了斜自共轭矩阵的一些性质及判定准则，获得了斜自共轭矩阵的实表示、相似分解以及特征值的几个定理。

Then it simplifies the proof of division ring of quaternion .

从而简化了四元数作为除环的证明。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。