算術分位數差 的英文怎麼說

中文拼音 [suànshùfēnwèishǔchā]
算術分位數差 英文
arithmetic quartile deviation
  • : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
  • : 術名詞1. (技藝; 技術; 學術) art; skill; technique 2. (方法; 策略) method; tactics 3. (姓氏) a surname
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
  • : 數副詞(屢次) frequently; repeatedly
  • : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
  • 算術 : arithmetic figure; arithmetic
  1. The dissertation is mainly including four section : the first is the experiments done in the tank, which will supply the reliable information of imaging data ; the second is image edge detection by the use of the art of the zernkie moments, which is used to detect the liner and threaded edge of the object, the third is the underwater camera calibration technique, the forth is automatic positioning the location of the camera by used of the art of cross - ratio, the result of which is satisfied

    本文工作為四個部:第一部是水槽實驗部,它為后續的工作提供了可靠的圖像據信息;第二部是基於zom距的直線、曲線邊緣提取技及相關的與處理技;第三部,水下攝像機標定技研究,基於改進的tsai演法,採用逐步解的標定策略。並探討了一種相對簡單的、靈活的標定技;第四部是攝像機定研究,採用具有平移不變性的交比進行攝像機定,模擬試驗的最大誤不超過2 ,效果還是令人滿意的。
  2. In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology

    為使二維振動傳感器在兩主軸方向的靈敏度大致相同,敏感元件採用高度對稱的四梁結構,其中每個軸向上均採用帶折疊梁的雙側叉指電容結構,採用體硅微機械工藝製作的高深寬比叉指電容式敏感元件,具有高靈敏度、寬量程、非線性誤小、外圍電路簡單等優點;對設計的敏感元件結構參進行了計,並利用有限元法進行了模擬析,根據模擬結果得出了優化參;在確定敏感結構的基礎上,研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技;對敏感晶元內部的c - v介面電路進行了原理設計與析,利用動測量技得到由振動引起的微小電容變化量,經c - v介面電路進行相調制處理,然後通過解調輸出與加速度成正比的電壓信號。
  3. ( 2 ). according to the system indices and requirements together with the technology characteristic, it researches the capture possibility of apt capturing system. then it introduces the common scan methods, such as raster, spiral, raster spiral, rose and lissajo. ( 3 ). it makes a detailed simulation analysis of the raster and spiral scan, analyze the connection between capture probability, capture time, system index at different capture resolution angle, capture range, vibration angle extent and terminal location distributing mean square deviation

    其中對幾個關鍵部進行了詳細析:計了目標角反射器的激光雷達散射截面( lrcs )值,研究了qd與ccd對目標置角度的計方法和空間解析度; ( 2 )根據系統指標和要求並結合現有國內技特點研究了apt捕獲系統掃描的捕獲概率問題,然後析了幾種常見的掃描方式:矩形( raster )掃描、螺旋( spiral )掃描,矩形螺旋( rasterspiral )掃描,玫瑰形( rose )掃描以及李薩如形( lissajo )掃描; ( 3 )對行掃描和螺旋掃描進行了詳細的模擬析,析了它們在不同捕獲辨角、捕獲范圍、振動角振幅和終端佈均方時的捕獲概率、捕獲時間與系統常之間的關系。
  4. In this paper, we focused on the application research of the multiple element detector, which is used some type of infrared guidance missile. in view of the digital signal processor, the theoretical study, the scheme for application and the simulation research of this infrared guidance system is studied in detail

    針對某型採用紅外多元探測器進行目標探測的紅外製導導彈系統,本文深入、系統地析和研究了紅外多元探測器的工作原理,並從字信號處理器( dsp )實現的角度,著重開展了有關利用字信息處理技進行目標的置偏法以及提高此型導彈的抗干擾能力方法的研究。
  5. Based on the comprehensive analysis of the application status and the existed problems of transmission line fault location, this dissertation presented a new algorithm for fault location based on two - terminal asynchronous data, which can make correction for the integrate error of line parameter, length of transmission line, sampling value and so on. at the same time, it can work out the two - terminal asynchronous phase angle with the corrected parameters

    本論文在充析了國內外故障測距的理論與技以及存在的問題后,針對輸電線路故障定因線路參變化對定準確度的影響,提出了能夠對線路的參、長度和采樣值等誤等進行綜合誤修正( cie )的新演法,並利用修正後的參來求解兩端的不同步相角
  6. In this paper we made a systemic analysis and study of the accurate orientation technology in the process of helicopter landing - photogrammetry, made the model of using double ccd to measure the exact position of helicopter based four latent points photogrammetry, educed formula about beaconing position, analyzed the computing error, and particularly computed the information of beaconing position of the helicopter ' s landing by experiment emulation. in the result, the error between a computed value and a measurement value was less than 5 centimeters

    本文對直升機著艦精確定中的攝影測量演法進行了系統析和深入研究,在四特徵點測量演法基礎上建立了雙ccd攝影測量直升機精確置坐標的學模型,進一步從各個影響演法測距精度的方面討論了計,推導出測量信標坐標置的計公式,並對利用雙攝影測量演法計直升機著艦掛鉤置的正確性及準確性進行了模擬實驗,得到的演法計值和實驗測量值之間的誤在5cm以內。
  7. The main part and key technique of the cpa system is study : the generation of the femtosecond laser pulse is study, the modulation and maintenance of the ti : s laser is learned ; the types of the measurement for ultrashort laser pulse is generalized and the interferometric autocorrelation is expatiated ; the varieties of the stretchers is sum up and aberration - free stretcher is calculated and optimized to improve the stretching ratio ; the pulse selection is analyzed and a single pulse can be selected successful from the pulse train at a repetition rate of 82mhz ; the kinds of the amplifier in cpa system is gathered up, the eight - pass pre - amplifier and a good many effects in it is investigated. finally, the second, third and fourth - order dispersions in cpa system is analyzed systemicly, and the according means for dispersion compensation is worked out

    對cpa系統的主要環節及關鍵技進行了研究:掌握了鈦寶石激光器的調節和維護技,較深入地研究了飛秒激光脈沖產生的機理,其中對群速色散、自相調制、自鎖模等問題進行了詳盡的析;總結了超短激光脈沖的測量技,重點研究了干涉自相關測量法;在總結展寬器類型的基礎上,對無象展寬器進行了理論計、優化設計,提高了展寬倍;深入論述了脈沖列的選單問題,熟練掌握了脈沖選單技
  8. We encoded and optimized the filter to design the algorithm for filter. computer simulation of complete simulation has demonstrated that the new filtering technique can significantly not only reduce the width relative deviation and the area relative deviation of the image, but also improve the resolution and the focal depth. it provides directive basis for the development of the experiment and the practicability of the technology

    機模擬結果表明,通過在非瞳孔面的適當傅立葉變換面上加入優化設計的相型濾波器,可有效減小光刻圖形的線寬偏和面積偏,提高成像系統的解析度和焦深,為域濾波改善光刻圖形質量實驗的開展和這一解析度增強技走向實用化提供了指導依據。
  9. The constitutions and principles of position of gps > glonass and beidou navigation system are described all around in this article, and the following technologies are studied and realized : communication between com ports with oop technology, compound navigation with gps and glonass. calculate velocity, pseudorange difference, smoothing pseudorange with the carrier - phase and models to correct error are also done ; the transforms between wgs - 84 and pz - 90, as well as wgs - 84 and beijing54 coordinate system ; the technologies to display and manage bitmap, vector map based on mapx also ; conversion of data formats between gjb and mif data format of maplnfo corp. arithmetic of creation dem data based on contour line data from 1 -. 25000 map data with gjb format. texture the surface of terrains with corrected aviation image

    本文全面介紹了gps 、 glonass 、北斗導航系統的組成、定原理,研究並實現了面向對象的串口通信技、 gps + glonass組合導航、測速及偽距、相平滑偽距以及有關誤的模型改正、 wgs ? 84和pz ? 90 、 wgs ? 84和北京54坐標系的坐標轉換、柵格地圖的顯示和管理、基於mapx的矢量地圖的顯示和管理、 1 : 25萬軍標據和mapinfo的mif據格式雙向轉換、基於軍標據的dem生成演法、基於opengl的三維地形構造、航空圖像紋理地形表面、三維坐標量、虛擬現實模擬導航、三維地形的層次細化演法以及字圖像處理中的圖像增強、幾何變換、影像匹配等技
  10. As the traditional navigation system ca n ' t satisfy the requirements of the autonomous underwater vehicles ( auv ) navigation and position. we study a depthometer - doppler - aided strapdown inertial navigation system ( ddsins ) in combination of the developments of periodic navigation technique and some practical problem posed by the mathematical and variation of output data of doppler, furthermore, the digital simulation and semiphysica test are made to verify the validity of the algorithm, the main research work are as follows : design of the strapdown inertial navigation system of auv

    由於傳統的導航系統很難滿足遠程水下航行器精確導航、定的要求,本文在充考慮使用特殊性的情況下,結合國內、外導航技發展的實際狀況和發展方向,研究了水下航行器組合導航系統的誤,重點解決了因多普勒輸出據周期長和周期時變而給導航計和濾波器設計帶來的問題,並進行了模擬和實物測試,模擬和實物測試結果表明本文所研究的設計方案合理,可以達到某型水下航行器導航、定需要的精度。
  11. " misalignment error ", which is caused by misalignment during null test adjustment, together with fabrication errors is shown in test results, and it is important to separate these two errors so that the test results can be used in ccos process. asic software is developed for eliminating nonlinear error and separating misalignment error, and a high accuracy, suitable format data file is generated by asic for further analysis for ccos process

    在非球面測量技方面,主要針對零補償檢驗過程中測量坐標的「非線性誤」的形成原因及其補償演法由光學調整量引起的測量誤以及調整量誤的擬和方法等問題進行了討論,並編制了相應的干涉檢驗據處理軟體asic ,干涉檢驗結果經析、處理后能夠滿足ccos的技要求並指導加工。
  12. 2 - d fourier technique could compute horizontal and vertical speed of cloud motion in the same time, so it can avoid the error caused by 1 - d moving supposition in the 1 - d fourier technique. in this part, the 2 - d fourier technique theory was introduced, and a numerical simulation was given in this paper. in the third part, we compared the 2 - d fourier technique with the 1 - d fourier technique, analyzed their problems and found ways to resolve them

    用二維傅立葉相析法導風,同時計水平和垂直方向的風速,能夠避免一維傅立葉相法導風中一維平移假設帶來的誤,文中介紹了二維傅立葉相法導風的基本理論和風速計方法,並給出二維傅立葉導風技值實驗。
  13. Differential gps has become the prime and essential positioning system for many applications. this paper introduces the principles of the differential global position systems. clarifies the arithmetic of the pseudo - range dgps. by the high - class differential reference station receiver called javad receiver which being used in our laboratory now, some necessary work has been done : data digging from javad receiver ; data decoding, data encoding, and data transmission through the net and pc serial port ; further more, the gps receiver interface language has been analyzed to control differential reference station receiver

    因此,gps技( dgps )應運而生,並得到飛速發展,其市場前景看好。 dgps在許多定應用中已經成為重要的定系統,本文論述了gps的原理,闡明了偽距的基本原理與演法:在實踐上針對實驗室現有的比較先進的javad參考臺進行了偽距修正量據的提取、據解碼、據編碼、據的網上傳輸。
  14. Based on above performances the applications of multi - sensor data fusion in state estimation for maneuvering target is studied systemically. the main work includes : based on the analysis that the extreme value of acceleration presupposed causes influence in the “ current ” statistical model, a modified model is given, which utilizes the functional relationship between maneuvering status and estimation of the neighboring intersample position vector to carry out the self - adaptive of the process noise variance. then combining with the recursive characteristic of kalman filter, an improved self - adaptive filtering algorithm is presented

    基於此,本文針對多傳感器據融合技在機動目標狀態估計中的應用進行了系統的研究,其主要工作如下: 1 、基於「當前」統計模型中加速度極限值的預先設定對于濾波效果影響的析,利用目標機動狀況與相鄰采樣時刻間置估計量變化之間的函關系實現噪聲方自適應,進而提出了一種修正的模型,並結合卡爾曼濾波遞推演法,提出了一種改進的自適應濾波演法。
  15. This paper use techniques of linear windows, differential operator, min operator, fuzzy - mathematics and mathematical morphology to complete the precise orientation of license plate, and use horizontal projection and local - least value techniques to complete the segmented of the characters, and the artificial neural network technology is applied to complete the character recognition

    本文應用線窗口、元、 min運元、模糊學、學形態學等技手段完成了車牌的精確定,應用水平投影、局部最小值等方法完成了車牌字元的割,應用神經網路感知機等技解決了字元識別的問題,開發出實用的演法。
  16. The tactical missile seeker handover accuracy from midcourse to terminal guidance is researched. the small perturbation method is proposed to analyse error sensitivity of the seeker presetting parameters from error sources. firstly, the terminal guidance seeker presetting parameters are computed, based on the equations of a surface - to - air missile movement and a target movement. then the seeker presetting unaccuracy due to the command guidance radar measurement errors is also computed. it can be seen that the seeker presetting errors increase rapidly when the missile is close to the target, which leads to an important conclusion that the late seeker handover from midcourse to teminal guidance should be avoided

    研究復合制導的戰導彈中末制導交班的導引頭預定精度問題.提出用小擾動法析導引頭預定參對誤源的誤敏感性關系.以中遠程防空導彈為例,結合導彈運動方程組和目標運動模型,計了中末制導交班的導引頭預定參,並計了在制導站雷達測量誤下的末制導導引頭預定參的計精度.可知,導引頭定的計隨著彈目距離的接近而顯著增大,得到中末制導交班不能太晚的重要結論
  17. Abstract : the tactical missile seeker handover accuracy from midcourse to terminal guidance is researched. the small perturbation method is proposed to analyse error sensitivity of the seeker presetting parameters from error sources. firstly, the terminal guidance seeker presetting parameters are computed, based on the equations of a surface - to - air missile movement and a target movement. then the seeker presetting unaccuracy due to the command guidance radar measurement errors is also computed. it can be seen that the seeker presetting errors increase rapidly when the missile is close to the target, which leads to an important conclusion that the late seeker handover from midcourse to teminal guidance should be avoided

    文摘:研究復合制導的戰導彈中末制導交班的導引頭預定精度問題.提出用小擾動法析導引頭預定參對誤源的誤敏感性關系.以中遠程防空導彈為例,結合導彈運動方程組和目標運動模型,計了中末制導交班的導引頭預定參,並計了在制導站雷達測量誤下的末制導導引頭預定參的計精度.可知,導引頭定的計隨著彈目距離的接近而顯著增大,得到中末制導交班不能太晚的重要結論
分享友人