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TranslationMobile

空間向量

"spatial" in Chinese : adj. 1.空間的；在空間中存在[發(fā)生，占有位置]的。 ...
"vector" in Chinese : n. 1.【數(shù)學(xué)】向量，矢量，動(dòng)徑。 2.【航空】飛機(jī)航 ...
"magnitude of spatial vector" in Chinese : 空間向量振幅
"maximal spatial vector to the left" in Chinese : 向左最大空間向量
"mean spatial qrs vector" in Chinese : 平均qrs空間向量
"mean spatial vector" in Chinese : 平均空間向量
"normal spatial instantaneous vector" in Chinese : 正常空間瞬間向量
"spatial frequency vector" in Chinese : 空間頻率向量
"spatial qrs vector" in Chinese : 空間qrs向量
"spatial vector loop" in Chinese : 空間向量環(huán)
"spatial" in Chinese : adj. 1.空間的；在空間中存在[發(fā)生，占有位置]的。 2.占大篇幅的。 ...
"no vector" in Chinese : 無(wú)雷達(dá)引導(dǎo)
"s-t vector" in Chinese : s-t向量
"t vector" in Chinese : t向量
"vector" in Chinese : n. 1.【數(shù)學(xué)】向量，矢量，動(dòng)徑。 2.【航空】飛機(jī)航線；航向指示。 3. ...

Examples

The paper analyzes the structure of grass ' s vector files and several basic indexes " methods for spatial data . lt also compares the characteristics of the postgis , peegree , openmap , etc . on the other hand , mis paper researches the spatial vector data index arithmetic
除此之外，本課題對(duì)于空間矢量數(shù)據(jù)的索引算法進(jìn)行了一定的研究，并詳細(xì)介紹了r樹(shù)模型的基本算法，同其他空間索引算法進(jìn)行了一定的比較，簡(jiǎn)要總結(jié)了各種算法的基本特征。
In the paper , the principle and actualizing means of spatial vector control have been systemically discussed and the control software has also been designed . the magnitude of both the rotor flux and the current in torque component have been estimated by using a flux observer , which is developed based on field orientation control principle . the results show that the observer has a good feature due to its speed being calculated without speed sensor or additional hardware
本文對(duì)矢量控制的原理、控制方法以及控制實(shí)施策略進(jìn)行了較為系統(tǒng)的分析與研究，利用速度間接觀測(cè)理論，建立了異步電機(jī)的磁通觀測(cè)器，電機(jī)的定子磁通和電流的轉(zhuǎn)矩分量可以通過(guò)磁通觀測(cè)器估算出來(lái)，從而得到電機(jī)的轉(zhuǎn)速，并由此建立了異步電機(jī)無(wú)速度傳感器矢量控制的理論數(shù)學(xué)模型和相應(yīng)的控制算法，在此基礎(chǔ)之上，利用工程中常用的電機(jī)專用dsp芯片tms320lf2407作為處理器，對(duì)異步電機(jī)進(jìn)行變頻調(diào)速控制。
The main technical module of processing gis spatial information of land desertification is designed , which can carry out the spatial overlay of vector data in three periods , extract as well as process attributative information and transform the spatial vector data into visualizing data . the gis database of land desertification is established
本研究設(shè)計(jì)了土地沙漠化gis空間信息處理的主要技術(shù)模塊，即三期矢量數(shù)據(jù)的空間疊加、屬性的信息提取與處理、空間矢量數(shù)據(jù)向可視化數(shù)據(jù)庫(kù)的轉(zhuǎn)化，建立了土地沙漠化gis數(shù)據(jù)庫(kù)。