短程導航 的英文怎麼說
中文拼音 [duǎnchéngdǎoháng]
短程導航
英文
short-range navigation- 短 : Ⅰ形容詞(空間、時間兩端之間的距離小) short; brief Ⅱ動詞(缺少; 欠) lack; owe Ⅲ名詞1 (缺點) we...
- 程 : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
- 導 : 動詞1. (引導) lead; guide 2. (傳導) transmit; conduct 3. (開導) instruct; teach; give guidance to
- 航 : Ⅰ名詞(船) boat; shipⅡ動詞(航行) navigate (by water or air); sail
- 短程 : short distance; short range; trip
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The keys of improving the shipping industry of our country is to change the function of the government, to take the reforming in the shipping structure, to modifying the shipping regulator system, to guide the whole shipping industry, in order to carry forward of our advantage, and recover our shortage, to fit for the future situation
在加入wto過程中,政府部門將起到非常重要的作用,能否通過政府職能轉變,行業結構調整,航運政策導向和航運法律、法規的完善實施,給予全行業正確的引導,是我國航運能否揚長避短,克服困難,適應入世后的市場競爭,發展我國航運業的關鍵之一。This thesis introduces the key technique of the us military distributed information system, with focuses on algorithms about related navigation of military tactics. kalman filtering combined with least square method is proposed for the current military development stage. the method of observation result including velocity component minimizes the convergence time, improves the positioning precision and acquired satisfied experiment results, which makes the pla independence of the us high - tech equipments
本文簡要介紹了現階段美軍在戰術信息分佈系統實現中所採用的關鍵技術,重點對戰術飛機相對導航的各種實現演算法進行了深入探討,針對我軍當前在該系統領域中的技術現狀,提出了以最小二乘法輔助卡爾曼濾波,濾波過程中觀測量加入速度分量的方法,縮短了導航濾波起始階段的收斂時間,提高了定位精度,在工程上取得了較理想的實驗數據,在一定程度上擺脫了我軍在相對導航領域對美軍先進技術裝備的依賴。The subject comes from the cooperation project “ long distance navigation short - wave receiver ” between chengdu sine science & technology ltd. and automatization school of harbin engineering university. the auther was responsible for implementation of the rf receiver of the system. the rf receiver consists of a rf front end, 3 dds synthesizer
本項目來源於電子科技大學成都賽英科技有限公司與哈爾濱工程大學自動化學院的合作項目「遠距離導航短波接收機」 ,筆者負責其中接收機射頻部分的研製,該射頻接收機包括一個射頻前端和3個dds頻率合成器。The next section is about the structure model of webgis in vncs, how to organize and manage geography data using oracle, and how to solve some technology questions, such as matching of map data, determination of the best way, transportation of data stream, - and connection pool in database as well. finally, as a result of above research, the author designs and implements the webgis module in a vncs on internet, then briefly introduces its main functions, and points out the prospects of webgis in the future
其次,介紹了internet下車輛導航與監控系統中webgis的結構模式,以及如何利用oracle數據庫,有效地組織和管理webgis所需要的地圖數據;另外還對開發過程中的若干技術問題進行了探討,如地圖匹配、最短路徑、數據流傳輸,以及數據庫連接池,等等。分享友人