等距數列 的英文怎麼說
中文拼音 [děngjùshǔliè]
等距數列
英文
series of equal interval- 等 : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
- 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...
- 數 : 數副詞(屢次) frequently; repeatedly
- 列 : Ⅰ動1 (排列) arrange; form a line; line up 2 (安排到某類事物之中) list; enter in a list Ⅱ名詞1...
- 等距 : equidistance; isometry
- 數列 : progression; series; a series of numbers arranged according to a certain rule
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( 4 ) through level division of the predict result which favorable for mineralize district in the studied areas. we put up a graduate method which is used to divide graduations of statistical result. this kind of dividing method is different from traditional interval or non - interval graduate method, it can avoid a subjectivity for level division and is favorable to divide the high value of the result. ( 5 ) in the light of rank points and weight of the predicting factors, minerogenetic prediction map had been made. on the basis of the map, six favorable districts to mineralize had been determined
這種劃分方法不同於傳統的等間距、不等間距劃分方法,避免了劃分的主觀性,更有利於對預測結果高值區域的劃分; ( 5 )根據預測因子的級別分數和權重,通過gis疊加分析操作,生成一系列的成礦預測系列圖件,根據預測圖件,在研究區圈定6個成礦有利區。This paper discusses the polygon medial axis definition of gis and calculation geometry, and their main distinguishing feature, pointes out that the polygon medial axis should be the locu of the equal - distance points to two or more edges of the polygon ; analyzes the relevant different algorithm and cases in practice, and proposes the geometry means in theory relatively rigid and widely meeting the requirements in practice - dotted pair rank method and the map algebra polygon medial axis method, utilizes them to offer several polygon medial axis calculation examples
摘要比較了當前國內外gis中和計算幾何中關于多邊形中軸的定義,討論了它們的主要特點,指出多邊形中軸應是到兩個以上邊距離相等點的軌跡,並據此分析了相應的各種演算法和實際應用場合,提出了理論上較為嚴密、能夠廣泛滿足實際應用需要的幾何方法點對序列法和地圖代數多邊形中軸法。The essence of edid is to set up a normal behavior fuzzy sub collection a on the basis of watching the normal system transfer of the privilege process, and set up a fuzzy sub collection b with real time transfer array, then detect with the principle of minimum distance in fuzzy discern method the innovation point of this paper is : put forward the method of edid, can not only reduce efficiently false positive rate and false negative rate, also make real time intrusion detection to become possibility ; have independent and complete character database, according to the classification of monitoring program, design normal behavior and anomaly behavior etc., have raised the strongness of ids ; use tree type structure to preservation the character database, have saved greatly stock space ; in detection invade, carry out frequency prior principle, prior analysis and handling the behavior feature of high frequency in information table, have raised efficiency and the speed of detection, make real time intrusion detection to become possibility ; have at the same time realized anomaly intrusion detection and misuse intrusion detection, have remedied deficiency of unitary detection method
這種方法的實質是在監控特權進程的正常系統調用基礎上建立正常行為模糊子集a ,用檢測到的實時調用序列建立模糊子集b ,然後用模糊識別方法中的最小距離原則進行檢測。本文的創新點是:通過對特權進程的系統調用及參數序列的研究,提出了基於euclidean距離的入侵檢測方法edid ,不僅能有效降低漏報率和誤報率,而且使實時入侵檢測成為可能;設計有獨立而完整的特徵數據庫,根據被監控程序的類別,分別設計正常行為、異常行為等,提高了檢測系統的強健性和可伸縮性;特徵數據庫按樹型結構存儲,大大節省了存儲空間;在檢測入侵時,實行頻度優先原則,優先分析和處理信息表中的高頻度行為特徵,提高檢測的速度和效率,使實時入侵檢測成為可能;同時實現了異常入侵檢測和誤用入侵檢測,彌補了單一檢測方法的不足。In the second chapter, the fluid mechanics principle of vortex flowmeter at first was introduced. the classical theory about vortex flowmeter and the method of computational fluid dynamics about flow around body were expanded on, and the model of the single bluff body and the dual bluff body vortex flowmeter were constructed. and then, fvm - finite volume method - analysis software fluent was applied to analyze the flow phenomenon of flow over single bluff body or dual bluff body
然後通過大量實驗和理論分析給出雙鈍體渦街流量計的設計準則:當管徑為d ,鈍體形狀為三角形,則鈍體設計參數為:銳邊寬度= 0 . 26d ,高度= 0 . 34d ,鈍體之間的距離= 1 . 2d (即當兩鈍體寬度相等且鈍體距離等於單鈍體兩列旋渦之間的距離) 。The simulation on synthetic data is made and the result is discussed. 5 ) by using borland c + + builder and matlab, a semi system, i _ miner, is developed to mine association rule. it can realize other functions just as data cleaning, data transform, etc. furthermore, i _ miner is applied to an actual industry database
提出用趨勢變換序列dtw距離做篩選的搜索方法,有效提高整個搜索效率,並在模擬數據庫上進行模擬實驗,並對實驗結果進行分析和討論; 5 )以borlandc + + builder和matlab為開發平臺,設計一個進行關聯規則挖掘的準系統i _ miner ,可以實現數據預處理,數據變換和關聯規則挖掘等工作。The resonance conditions of the train - bridge system are affected by the span, total length, lateral and vertical stiffness of the bridge, the compositions of the train, and the axle arrangements and natural frequencies of the vehicles
車橋系統的共振條件與橋梁跨度、長度及豎向和橫向剛度,列車編組、車輛軸距參數及車輛的自振頻率等因素有關。The research results are controlled source which has linear or nonlinear variabe frequency scan function and the seismic instruments which match with it, and the method of small group intervals, small offset, much more channels, short array length, high - frequency receivers are applied during the link of data acquisition, and that the techniques of the refraction static correction, the noise suppressing, the high - resolution velocity analysis, the wavelet length compression, the wavelet zero - phase, and the prestack migration should be applied emphasizedly during the link of data processing and interpretation
研究表明,對于城市活斷層的抗干擾高解析度淺層地震勘探,在數據採集環節應採用具有線性或非線性變頻掃描功能的可控震源和與其相匹配的地震儀器,以及小道間距、小偏移距、多接收道、短排列和高頻檢波器接收的工作方法;在數據處理與解釋環節,要重視折射靜校正技術、噪聲壓制技術、高精度速度分析技術、子波壓縮技術、子波零相位化技術和疊前偏移技術等的應用。General method of similar sequence mining based on time series is to transform time series into discrete character series and cluster them into different sets, then compute the euclidean distance between querying series and these sets to measure their similarity
摘要時間序列數據庫中相似子序列的搜索,常用滑動窗口、分形插值逼近等方法將時間序列分割成各子序列,線性擬合各分段子序列,計算查詢序列與各子序列的歐氏距離,滿足距離閾值條件的為相似子序列。And then, the paper analyses the reason engaged in the directional property of underwater acoustic transducer and array, discusses the physical parameter of the directional property. to point acoustic source equal spacing linear array, the dissertation makes experiment analysis and simulation
分析了水聲換能器及基陣指向特性形成的原因、表徵指向特性的物理參數,並針對點聲源等間距線列陣的指向性進行了數學、實驗分析與方針。The research achievements are as followed : studying the shortages and the improved methods of gm ( 1, 1 ) grey prediction model, considering the characteristic of the transformer chromatographic data, bring forward the method for converting a series of data which are sampled in different interval into a series of data in the same interval. the weakening operator is applied to reconstruct the transformer chromatographic data for attenuating or eliminating the influence of randomicity. the improved prediction model for power transformer interior fault is constructeded
主要取得了以下研究成果:通過對gm ( 1 , 1 )灰色預測模型的缺陷及其改進方法的深入研究,針對變壓器色譜數據序列的特有規律,提出了原始非等間距色譜數據序列的等間距處理方法,運用弱化運算元改造原始序列,淡化或消除原始色譜數據序列由於受各種隨機因素影響所具有的隨機性,給出了適用范圍更廣的變壓器內部故障改進灰色預測模型的建模方法。This can fully consider the effect of the structure of transmission line and the selection of lighting parameter etc. by calculating and analyzing various of factor that affect the lightning tripping probability of 500kv double circuit transmission line, we can draw the conclusions : the result by intersecting method is more accord with the practicality circumstance than by existing standard methods, using unbalance high insulation and reverse sequence of wire can reduce the contemporary outage rate of double circuit line, reducing the footing resistance is one of the most efficiency method to reduce the back stroking rate of double circuit transmission line, the double back stroking rate and the single back stroking rate will fall by three ground wire, when the footing resistance is 10 ohm, the back stroking rate by three ground wire is 83 percent of by two ground wire
在分析輸電線路繞擊耐雷性能時,對線路的雷電屏蔽問題進行了分析,提出對擊距法進行改進,充分考慮了風速的影響因素,編寫了具有工程實用價值的計算線路繞擊耐雷水平的程序,此方法可以充分考慮線路結構和雷電參數等對繞擊率的影響。通過對影響500kv同桿雙回線路雷擊跳閘率的各種因素進行了計算和分析,得到以下結論:採用相交法的計算結果比定義法更符合實際運行情況。採用不平衡高絕緣方式和導線逆相序排列可以大大降低雙回同時跳閘率。In this article, an equivalent definition of reconstruct function is drew in the state space reconstruct by time delay chaotic time series, that lead the prediction more conveniently. then introduce a weighted distance to depict neighbour points of prediction which insured the similarity of the neighbour points
本文在時間序列坐標延遲后重構的相間中,作出重構函數的等價定義,提高了預測的可操作性;並在此基礎上,引入了加權距離來刻畫預測向量的鄰近點,保證了鄰近點的相似性。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。With the development of the technology of the computer stereovision, the binocular stereo sensor has applied in field of industry detection, object identification, robot automatic guidance, navigation etc. with the appearance of new opto - electronic scanning technique, automatic technique, highspeed data processing technique and more effective algorithm, the binocular stereo ranging method has new headway and application the contents are arranged as following
隨著計算機視覺技術的不斷發展,立體視覺傳感器得到越來越廣泛的應用,尤其是雙目視覺傳感器的結構簡單、使用方便、速度快、精度高等諸多優點被廣泛應用地于工業檢測、物體識別、機器人自導引、航天、航空及軍事等很多領域。隨著新型光電掃描技術、新型陣列型光電探測器件及更有效的演算法出現,結合迅猛發展的自動控制與高速數據處理技術,立體視差測距方法有了新進展及應用。A normalized mapping rule of raw grey series is introduced by analysis of exponential function characteristics of the whitening differential equation, which makes the non - equigap grey prediction model ngm ( 1, 1 ) fit for universal raw grey series, improves prediction precision greatly, meanwhile makes innovation to series with negative values and enlarges grey prediction theory
通過對白化微分方程解的指數函數特性的分析,研究了原始灰序列的歸一化映射規則,使非等間距灰預測模型ngm ( 1 , 1 )適應一般灰序列,灰預測精度也大大提高。這亦解決了含負值灰序列預測的理論問題,拓寬了灰色預測理論。Enumerating and comparing real estate brokerage home and abroad with abundant data and samples, this thesis studies the characteristics and the problems of current real estate brokerage system and points out the big gap between china and foreign countries. this section includes the law system, management system, market admittance, licenses management, firms and their employees, market operating, contract management and quality system etc. after that this thesis anatomizes the influence of the development and application of network technology which are not only promoting the development of conventional real estate brokerage but also have been challenging to the traditional profession
本文運用管理學、經濟學、國際貿易等學科的基礎理論,通過列舉大量詳實而豐富的數據和材料,從法律法規建設、行政管理體制、隊伍和人員規模、資質管理、市場準入、組織模式、業務范圍、運作模式、合同管理、收費標準、執業保護機制等方面比較分析了我國房地產經紀業的現狀及其與國外房地產經紀行業的差距。Cormecting with spatial geographic information systems, image atttibute library is constructed by using distance squares reciprocal method, trend surface interpolation grouding on windows algorithm, and via series of processes
應用距離平方倒數法、基於窗口演算法的趨勢面插值,經數據遊程編碼、鏈碼等一系列過程,與空間地理信息系統介面,建立了圖像屬性庫。The key to the settlement of question lies in rapid determining the position relations, which satisfies the restraints on layout between these contours. in order to do so, a series of characteristic points on a contour should be obtained by cutting the contour through horizontal equidistant lines, then the position relations mentioned above can be determined, and some layout parameters are solved. finally, a optimum result of layout is obtained
其原理是先用等距水平線分割零件輪廓,得到一系列輪廓的特徵點,然後利用其特性可快速確定零件輪廓在滿足排樣約束時的相互位置關系,通過與之匹配的高效演算法可求得排樣參數,獲得最優排樣方案。Based on the grey - forecasting model with unfixed parameter, the primary model was ameliorated through optimized analysis on the non - equidistant sequence to improve its fining and forecasting accuracy especially when there are only few experimental data
摘要針對變參數灰色模型在實驗數據少時誤差較大的問題,提出了對非等間距序列優化的方法,使原來模型得到改進,從而提高了模型的擬合和預測精度,拓寬了應用范圍。A series of convex sufficient conditions of cubic natural splines is presented in case of equal intervals. under some hypotheses, several convex necessary conditions of cubic natural splines are obtained
摘要提出了在等距情形下三次自然樣條函數一系列凸性的充分條件。在某些假定之下,還得到了一些三次自然樣條函數凸性的必要條件。分享友人