算術間距 的英文怎麼說

中文拼音 [suànshùjiānjù]
算術間距 英文
arithmetic interval
  • 算 : Ⅰ動詞1 （計算數目） calculate; reckon; compute; figure 2 （計算進去） include; count 3 （謀劃;計...
  • 術 : 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
  • 間 : 間Ⅰ名詞1 （中間） between; among 2 （一定的空間或時間里） with a definite time or space 3 （一間...
  • 距 : Ⅰ名詞1 （距離） distance 2 （雄雞、雉等的腿的後面突出像腳趾的部分） spur （of a cock etc ）Ⅱ動詞...
  • 算術 : arithmetic figure; arithmetic
  • 間距 : interval; separation; spacing; espacement; space; spacing; space length; range; unpack; step
  1. ( 2 ) on - line spectral response measurement is used to make a research on the activation process. the on - line measurement results have been analyzed and the influence excised by cs, o activation on the photoemission property of gaas wafers has been revealed. the properties of domestic and foreign nea phocathodes are compared, and the reasons causing the gap between domestic and foreign phocathodes are discussed

    （ 2 ）利用光譜響應在線測試技術研究nea光電陰極的激活工藝，通過對在線測試的光譜響應曲線進行分析、比較和計算，剖析了激活工藝給陰極光電發射性能帶來的影響，並從性能評估的角度，比較了國內外nea光電陰極的性能，分析了它們之間存在差距的原因。
  2. In this work, some species of palmae cultivated in the xiamen botanical garden had been selected to be analyzed their genetic diversity with rapd ( random amplified polymorphic dna ) technique. according to the result of genomic dna amplified with pcr ( polymerase chain reaction ), genetic distance and similarity between different palm species were calculated on nei " s estimate of similarity and genetic distance. a primary but first time research at the phylogenetic relationships of some genera and species, the molecular classification and identification of some puzzling species of palmae was carried out through upgma ( unweighted pair group mean average ) cluster analysis of the genetic distance together with comparative study of the morphological structure characteristics

    本文在初步調查分析了棕櫚科植物在我國的自然分佈、引種馴化情況以及該類植物在廈門地區栽培應用狀況的基礎上，首次採用rapd分子標記技術，對廈門萬石植物園引種的一些棕櫚科植物的遺傳多樣性進行了研究，根據pcr對基因組dna擴增的結果，用nei ' s相似性系數計算了不同植物間的遺傳距離和遺傳一致度，通過對遺傳距離的upgma聚類分析，並結合形態分類的特點，對棕櫚科植物的屬、種間的系統分類關系和一些疑難種的分類鑒定進行了初步研究。
  3. To solve the inaccuracy problem caused by the two existing methods ( average end - area method and prismoidal method ) used for the calculation of roadway earthwork volume, this paper puts forward a new concept of the 3 - dimensional algorithm that takes all the roadway geometric design procedures as a kind of geometrical operation between the ground model ( original terrain model ) and the roadway model ( designed model ) under certain constraints, and then presents a complete 3 - dimensional algorithm of roadway earthwork volume as well as its executable computer program. the algorithm benefits from the re - triangulation technique of constrained delaunay triangulation ( cdt ), which can yield a true volume value theoretically. through a number of practical tests covering varied intervals between adjacent cross sections, it is proven to possess a higher accuracy compared with that of traditional methods. all the work involved in this paper indicates that the 3 - dimensional calculation of roadway earthwork volume is feasible, more accurate and should have further application in practice

    針對目前廣泛使用的道路土方量計算方法平均斷面法和稜柱體法計算不準確的缺點，提出了三維土方量計算演算法的概念.該演算法以帶約束的狄羅尼三角化（ cdt ）為技術核心，認為所有道路幾何設計過程都是地面模型和道路（設計）模型進行幾何運算的結果.基於此，本文設計出相應的演算法步驟，同時完成了相應的軟體開發，使得該三維演算法能和傳統的方法進行對比.此外，結合工程實例，採用了不同的道路橫斷面間距對三維計算方法和傳統方法的誤差進行比較、分析.結果證明三維演算法具有更好的精度，該演算法可用於道路、場地平整等工程土方量計算
  4. This thesis explains the necessity of the character recognition technology of the computer at first, describe the meaning in which the handwritten numeral discerns ; pretreatment technology of handwritten numeral recognition, including two value, line segmentation, word segmentation smooth, removing noising, standardization and thinning are discussed two value concretely discusses whole threshold value, some threshold value, dynamic threshold value and utilize space information to carry on threshold, which are several kinds of common method of choosing threshold value, especially utilize space information to carry on threshold value is describe in detail ; adopting to the foundation of thinning based on mathematics morphology, thinning algorithm of serials same and thinning algorithm of protecting shape are discussed ; afterwards, according to principle ' s diagram of the on - line character recognition, by analyzing the structure feature of the handwritten numeral, this thesis has proposed the online recognition te chnology of the free handwritten numeral based on the stroke feature and the online recognition technology of the free handwritten numeral based on the multistage classifying device. detail narrated noise removing, stroke characteristic definition and discernment, distance criterion of whole word match ; then under the foundation of handwritten numeral segmentation, off - line handwritten numeral recognition is researched. especially minimum distance classifying device, tree classifying device and adaptive resonance ( art ) network classifying device is discussed at the same time, believes degree analyses are introduced to integrate a lot of classifying devices ; at the end, the typical application of the handwritten numeral recognition was briefly narrated, its application in extensive data statistics, financial affairs, tax, finance and mail sorting have been explored

    二值化時對整體閾值二值化、局部閾值二值化、動態閾值二值化和利用空間信息進行閾值選取幾種常用的閾值選取方法進行討論，特別對利用空間信息進行閾值選取進行了詳細論述；在對通過對基於數學形態學的細化的基礎上，討論序貫同倫形態細化演算法和保形的快速形態細化演算法；然後依據聯機字元識別原理框圖，分析了手寫數字的結構特點，提出了基於筆劃特徵的任意手寫數字在線識別技術和基於多級分類器任意手寫數字在線識別技術，對其中涉及的筆劃識別前的噪聲處理、筆劃間特徵量的定義及識別、整字匹配的距離準則進行了詳細敘述；繼而在對手寫數字的分割的基礎下對脫機手寫數字識別進行了研究，對基於最小距離分類器字元識別、基於樹分類器的字元識別、基於自適應共振（ art ）網路的字元識別分別進行了詳細討論，並引入置信度分析將多個分類器進行了混合集成；最後簡單闡述了手寫數字識別的典型應用，對其在大規模數據統計、財務、稅務、金融及郵件分揀中的應用進行了探索。
  5. This paper analyses the problem of extinction method, which have been used in ranging capability of impulse laser rangefinders now. then according the extinction method, by computer or quasi - laser and delay simulating space distance technology, realise automatic, fast and non - dismatiement testing of ranging parameters

    分析了目前驗收脈沖激光測距機測程指標所採用的方法「消光法」存在的不足，並在「消光法」的基礎上，通過採用計算機技術、準激光技術和延時模擬空間距離的方法，實現了測程指標自動、快速和不解體檢測。
  6. Abstract : this paper analyses the problem of extinction method, which have been used in ranging capability of impulse laser rangefinders now. then according the extinction method, by computer or quasi - laser and delay simulating space distance technology, realise automatic, fast and non - dismatiement testing of ranging parameters

    文摘:分析了目前驗收脈沖激光測距機測程指標所採用的方法「消光法」存在的不足，並在「消光法」的基礎上，通過採用計算機技術、準激光技術和延時模擬空間距離的方法，實現了測程指標自動、快速和不解體檢測。
  7. The emulational calculating theories of traction power supply system ' s operating charts combine with actual things of engineering design at present in chapter three, to set up traction web current distributing mathematical model, integral distributing mathematical model, locomotive distribution and obtaining current model at every moment, and on which making use of mathematical planning methods to set up mathematical models is based at every moment in every instance interval of the railroads. for instance, instantaneous current, instantaneous voltage descent and effective current, main changing capacity and so on, in addition, there are the minimum power shortage model, the optimal transformer substation location, the least engineering expenditure, the optimal mathematical model of traction power supply system. optimize design ' s algorithm of traction power supply system is introduced in detail in chapter four, where programming idea and realizing method of the computer software are given an explanation

    本研究主要進行了以下工作：結合牽引供電系統運行圖的模擬原理和現行工程設計的實際情況，建立了牽引網電流分佈、積分分佈、任一時刻機車分佈和取流的數學模型；應用數學規劃方法建立了任一距離區間、任一時刻的瞬時電流、瞬時電壓降數學模型和有效電流、主變容量和主變壓降、最小功率損失、最佳變電所容量、最佳變電所位置、最少工程費用、最少運營維護費用和牽引供電系統方案最優等方面的數學模型；闡明了牽引供電系統優化設計的演算法和計算機軟體編程思想及實現方法；進行了工程實例計算；最後，對牽引供電系統優化設計技術應用進行了總結。
  8. Then in - depth analysed some key technologies including the webpage content extracting, the website topological structure analysis, the website subject analysis & indexing and the website retrieval. especially, some novety solutions, such as the content extraction methology based on the space length of tags, the website tree construction methology based on the similarty of directory in url, and the website concept methology basd on the structure of website, are proposed. finally on the basis of the algorithms and theory, the intellectual websites retrieval system is built and the experiments proved that it can achieve better results

    根據以上研究目的，本文首先分析了智能網站檢索技術的構造與實現，提出了基於主題標引的智能網站檢索系統的系統結構與實現策略，之後對系統中的主題分析、標引與檢索等關鍵技術進行了深入分析，針對主要技術難點重點討論了網頁正文抽取，網站拓撲結構分析，網站主題獲取等相關實現技術，提出了基於標簽間距的正文抽取演算法，基於url目錄相似度的網站結構分析演算法和基於網站結構的網站主題概念獲取演算法等解決方案。
  9. Because of the method is convenient and fast, and no molecular information about the species to be studied is needed, rapd is widely used in many areas such as study of phylogenetic tree and genetic diversity. we studied 32 crested ibises from yong county and 5 crested ibises from beijing zoo by rapd

    我們採用rapd技術對來自洋縣的32隻朱?和來自北京動物園的5隻朱?進行了研究，根據實驗數據計算了任意兩個個體之間的相似性系數和遺傳距離，分別用upgma法和簡約法構建出其譜系關系，並對種群的遺傳多樣性作了初步的探討。
  10. The some fire control system is an advanced multi - senor short range air defense system, which integrated both x and ka bands searching and tracking radars, laser range finder, combined the control computer of subsystem with the master computer, and applied the technology of data fusion

    摘要某火控系統集兩個頻率波段的搜索雷達、跟蹤雷達和電視跟蹤器、激光測距機於一體，分系統控制處理計算機與系統主計算機相結合，採用了數據融合技術，是一部多傳感器集成的現代化防空系統，具有搜索性能好、反應時間快、抗干擾能力強、自動化程度高、使用性能好等特點。
  11. 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位技術中的攝影測量演算法進行了系統分析和深入研究，在四特徵點測量演算法基礎上建立了雙ccd攝影測量直升機精確位置坐標的數學模型，進一步從各個影響演算法測距精度的方面討論了計算誤差，推導出測量信標坐標位置的計算公式，並對利用雙攝影測量演算法計算直升機著艦掛鉤位置的正確性及準確性進行了模擬實驗，得到的演算法計算值和實驗測量值之間的誤差在5cm以內。
  12. The author ? major contributions are as follows. 1. with the performance requirement ( the pattern of the antenna, the rang of scanning angle, the maximal sidelcbe level and the beam ~ vidth ) givcn, a method is presented to determine the basic parameters of a serpentine feed, which includes the distance and ~ vaveguide length bet ~ veeii t ~ vo couplers, the size of the arrays and the number of components

    根據天線的工作頻帶、掃描范圍、副瓣電平、半功率寬度等技術指標要求，給出了確定波導慢波線基本結構尺寸的計算公式，即對相鄰單元之間的空間距離、耦合器之間的饋線波導長度、陣列的大小和單元數的計算。
  13. It can construct a reference path with lowest danger for the uav ( unmanned aerial vehicle ) by accounting for some aircraft performance characteristics, the mission goals, the threat information and the terrain information. this paper puts emphasis on the study of path planning algorithms and the analysis of uav missions. the main contributions are summarized as follows : ( 1 ) the threat environment, mainly as the radar threat, is studied and the detection probability of the aircraft is analyzed

    本論文主要根據無人機的作戰任務方式進行了航路規劃研究，包括攻擊航路和偵察監視任務航路，具體內容包括以下幾個方面： （ 1 ）本論文分析了威脅空間的威脅計算問題，對飛行器探測概率進行定量化的研究，根據恆虛警處理技術對雷達探測概率計算方法進行了總結，說明了計算單部雷達探測概率問題的方法，在此基礎上對雷達網的探測概率計算進行了討論，提出了相對于距離的探測概率求解方法和思路，用於攻擊航路規劃中的威脅計算。
  14. According to the virtual endoscopy automatic navigation, using the two - distance field - based 3d center path finding algorithm to find the path, adopting the cylindrical approximation of tubular organs to replace the center path by several approximate cylinders, while using distance transformation that is substituted by euclidean distance to calculate the approximate cylinder ' s axis and radius, the algorithm can save much time

    摘要針對虛擬內窺鏡自動漫遊技術，利用基於雙距離場的三維中心路徑提取演算法進行路徑提取，採用管狀器官的圓柱狀近似，將中心路徑用多個近似的圓柱體代替，用距離變換代替歐式距離公式計算近似圓柱體的軸和半徑，節省了大量的計算時間。
  15. Except that, many problem can " t be solved, such as the conflict of ccd " s high resolving power and big vision field, how to control the automatic gathering of pcb " s image using master and slave computer parallel structure, how to inspect the defect of pcb such as width of circuit, distance of circuit, losing circuit and so on. the research aim at how to combine computer vision, precise machine, automatic control with image process, at how to resolve the contradiction between high resolving power of image gathering and wide vision field, at how to realize automatic mosaic of image, at how to realize precise orientation of two dimension worktable, at how to realize communication between master computer and slave computer, and at how to inspect the defect of line width, line distance and losing

    除此以外，還有ccd高解析度和大視場之間的矛盾，上下位微機并行系統如何控制印刷電路板圖像自動採集，印刷電路板的線寬、線距和丟失線條等缺陷如何檢測等問題還懸而未決，本課題將就如何結合計算機視覺技術、精密機械技術、自動控制技術和圖像處理技術，如何解決圖像採集高解析度與大視場之間的矛盾，如何實現圖像的自動拼接，如何實現兩維工作臺的精確定位，如何實現上下位機的準確通訊，如何檢測線寬、線距缺陷和丟失線條等問題展開重點研究。
  16. The method first segments time series based on a series of perceptually important points, use segment dynamic time warping distance as measurement, and then time series are converted into meaningful symbol sequences in terms of the segment ' s features and math categorization. after that, use above index model - irst, to achieve fast similarity retrieval in multiple time series

    該方法提出通過基於重要點分段技術的分段動態挖掘距離作為相似性度量，既保證了度量的魯棒性，又減少計算復雜度；利用各個分段的抽取六個主要特徵，將時間序列轉化成一種特定的符號序列，在此基礎上利用海量全文索引結構實現了相似性的索引查找。
  17. The key of the method is that it takes a changing distance of the transmission line as a constant horizontal distance between poles, and all of the influential factors come down to the variation of the parameters of transmission line. the algorithm and technique proposed is simple in form, easy in process, and need no more new hardware. it is of great value for the two - terminal or multi - terminal location of all kinds of transmission line

    本文提出的輸電線路參數在線估計演算法和技術的核心內容是取變化的線路長度為固定的桿塔間的水平距離，而把所有影響線路參數變化的因素當作一個整體，全部歸為參數的變化，這種線路參數在線估計演算法和技術具有演算法簡單、實現容易的優點，且不需要再增加新的硬體投入。
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