鄰近定理 的英文怎麼說
中文拼音 [līnjìndìnglǐ]
鄰近定理
英文
proximity theorem-
In this paper, the basic characteristics of neilingding island ? s flora and their relationships with the neighboring floras were studied. the results show : ( 1 ) the vascular flora of neilingding island consists of 127 families, 367 genera and 551 species, of which 38 species of 25 genera and 20 families belongs to pteridophyta ; ( 2 ) the typical families of seed flora are lauraceae, rubiaceae, apocynaceae, annonaceae, euphorbiaceae, moraceae, aquifoliaceae, rutaceae, araliaceae, myrsinaceae, urticaceae, menispermaceae, araceae, palmae, etc. most of them also are the basic elements of cathaysian flora ; ( 3 ) 342 genera of seed plants in neilingding island can be classified to 13 types according to wu zheng - yi ? s " areal types of chinese genera of seed plant " ; the dominant geographical elements are pantropic genera ( 36. 05 % ), old world tropic ( 12. 54 % ), tropical asia ( 11. 60 % ), the total tropical elements made up to 84. 90 % of the total number of genera, but the typical and specialized tropical elements are scanty. most of them mainly distributes to sub - tropic or even to temperate zone ; ( 4 ) comparing the floristic composition of neilingding island with those of the neighboring regions, they is closely related to the flora of hong kong which is situated to the east of neilingding island. they all are belonged to the south china province of cathaysian kingdom
通過對廣東內伶仃島的維管植物區系進行全面考察、採集、鑒定和研究，結果表明: （ 1 ）共有野生維管植物127科367屬551種，其中蕨類植物20科25屬38種，種子植物107科342屬513種， 12種為廣東新記錄; （ 2 ）種子植物區系的表徵科主要有:樟科、茜草科、夾竹桃科、番荔枝科、大戟科、桑科、冬青科、蕓香科、葡萄科、五加科、紫金牛科、蕁麻科、防己科、天南星科、棕櫚科等; （ 3 ）屬的地理成分以泛熱帶分佈為主，其次為舊世界熱帶及東亞分佈; （ 3 ）通過與鄰近地區植物區系的比較，發現內伶仃島與香港植物區系相似性最高，與古田、古兜山的相似性次之，而與南崑山的相似性較低，它們均屬于華夏植物區系界的華南省。The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail
首先，在闡述i / q正交調制基本原理的基礎上，通過對誤差矢量和鄰近通道功率泄漏的詳細分析，定性、定量地討論了各種非理想電路因素（如相位不平衡、幅度不平衡、直流偏差等）對調制器性能的影響;其次，介紹了鎖相環的工作原理和基本組成部分，包括鎖相環的設計和環路濾波器的設計，特別詳述了電荷泵鎖相頻率源;第三，介紹了採用直接調制技術模擬衛星信號的射頻前端的設計;最後，對整個直接射頻調制系統進行測試，結果基本上達到了課題要求。According to the math model of order picking and the structure of fixed shelf, it builds a circular route applied to engineering application and being easy to program
結合揀選作業的數學模型和固定貨架的物理結構，構造了一種適合工程應用、編程簡單的環狀作業路徑，並將該演算法與最近鄰居法和混合遺傳演算法進行了分析比較。Objective to report the result of the defects of metacarpophalangeal joint from 2 to 5 repaired by metacarpal articular surface with dorsal metacarpal artery and using kirschner pins to transfix the injured finger and the nearby normal finger
目的報道利用傷指鄰近的正常手指作為生理性外固定支架與傷指並指固定，應用帶血供的掌骨近端骨塊修復2 - 5掌指關節缺損的效果。Description : beijing yongdingmen hotel as two star class hotels of beijing, already having the management for 25 years, located in happy lin road s no. 77 of chongwen district in peking city, two wreath neighborhoods of the stalk line in south, adjacent and ancient old park : altar of heaven, the lake park of the contented station, the dragon pond, away from large shopping in asia company s city - 100 glory world trades for only 500 meters, transportation convenience, the shopping tour convenience, is your ideal place for night, transact, meeting, amusement
永定門飯店是一家二星級飯店，已有二十五年的經營歷史，座落在北京市崇文區安樂林路77號，南中軸線二環附近，毗鄰古老園林：天壇陶然亭潭湖公園，離亞洲大型購物商城-百榮世貿僅500米，交通便利，購物旅遊方便，是您住宿辦公會議娛樂的理想場所。The emphasis of the thesis is base - band signal shaping and programmable interpolation algorithm. we introduce the basic theory of base - band signal shaping, and the effect of the digitizing of the ideal raised cosine rollof signal g ( t ) is attentioned. the shaping filter parameters are determined based on the system specifications, and the simulation results are given
首先從降低鄰近碼間干擾原則出發，討論了基帶成形的基本原理與升餘弦滾降濾波器的時頻特性，重點分析將理想的滾降波形g （ t ）數字化后對頻譜的影響，並且根據系統指標，確定了各項參數，給出了具體的設計舉例和模擬結果。An algorithm for detecting moving ir point target in complex background is proposed, which is based on the reverse phase feature of neighborhood ( rpfn ) of target in difference between neighbor frame images that two positions of the target in the difference image are near and the gray values of them are close to in absolute value but with inverse sign. firstly, pairs of points with rpfn are detected in the difference image between neighbor frame images, with which a virtual vector graph is made, and then the moving point target can be detected by the vectors ' sequence cumulated in vector graphs. in addition, a theorem for the convergence of detection of target contrail by this algorithm is given and proved so as to afford a solid guarantee for practical applications of the algorithm proposed in this paper. finally, some simulation results with 1000 frames from 10 typical images in complex background show that moving point targets with snr not lower than 1. 5 can be detected effectively
基於運動點目標在鄰幀差分圖像中所具有的近鄰反相特徵，即運動點目標的兩個位置相鄰近、灰度值一正一負，提出一種在復雜背景下，基於紅外序列圖像的運動點目標檢測演算法.本演算法利用該特徵在鄰幀差分圖像中檢測反相點對，進而構造反相點對矢量圖，最後依據累積反相點對矢量圖中多矢量首位相接的連續性檢測出運動的點目標.文中給出並證明應用本演算法能以概率1檢測到運動點目標的收斂性定理.對典型復雜背景下10幅1000幀圖像的模擬結果表明，當信噪比大於或等於1 . 5時，可以有效檢測出運動點目標To measure the distance of heavenly objects close to us, we can use a method called " parallax ", a simple visual phenomenon that was well understood by ancient greek more than two thousand years ago and was then used to estimate the earth s radius
要量度鄰近天體的距離，我們可採用視差法parallax 。古希臘天文學家在二千多年前已提出視差法的基本原理，並藉此測定地球的半徑。When the discount coefficient is 1 and all weights of the nearest neighbor sample points are the same, the k - nn classification method based on evidence reasoning model will become the k - nn classification method based on evidence theory
並且當折扣系數為1 ，且給定所有最近鄰樣本點權重相等時，基於證據推理模型的k - nn分類方法就成為基於證據理論的k - nn分類方法。Because the traditional collaborative filtering recommendation has certain insufficiency such as recommendation precision, the data processing efficiency, this article proposes a collaborative filtering method based on cluster and project forecast in coordination. after the users and the commodities are carried into gathers, the people of the same kind and the commodity of the same sort should be constructed the
由於傳統協同過濾推薦在推薦精度、數據處理效率都有一定的不足，文中提出一種基於聚類和項目預測的協同過濾方法，把用戶、商品進行聚類后，將同屬一類的用戶、商品構建用戶? ?商品子矩陣，在該矩陣基礎上進行最近鄰查詢，從而計算用戶對未評分項目的預測評分。Applying theory to three different types of interaction matrix - whole range, nearest neighbor and stochastic interaction, their synchronization time are gotten
其次把定理應用於三種不同類型的相互作用矩陣全程相互作用，最近鄰相互作用和隨機相互作用，並且得到了它們的同步時間。In section 4. 2 we analyze its main idea and algorithm in detail, two relevant theorems included ; section 4. 3 provides plenty instances so to explain its nonlinear dimension reduction ability, section 4. 4 propose a combined method that integrates the advantage of various methods. in section 4. 5 we analyze some significant problems in lle, including the locality of manifold representation, the choice of the neighborhood, the intrinsic dimension estimation and the parametric representation of mapping. in section 4. 6 we design an algorithm for estimating the intrinsic dimension in the base of locally linear approximation and discuss the choice of its parameters
第四章是本文的重點內容，研究一種全新的非線性降維方法? ?局部線性嵌入方法，對它的思想和演算法進行了詳細的分析，給出演算法兩個相關定理的證明；第三節對比主成分分析，通過實例說明局部線性嵌入方法的非線性降維特徵；第四節在此基礎上提出了旨在結合兩者優勢的組合降維方法；第五節提出了局部線性嵌入方法中存在的若干關鍵性問題，包括流形的局部性、鄰點的選擇、本徵維數的估計和降維映射的表示，第六節基於局部線性近似的思想提出了一種本徵維數的估計方法，設計了實用演算法，結合實例對演算法中參數的選取進行了討論；最後一節提出了一種基於局部線性重構的圖形分類和識別方法，將其應用於手寫體數字的圖像分類識別實驗，實驗得到的分類準確率達96 . 67 。For hong kong in particular, given that our financial markets are more sensitive than those of other jurisdictions to the change because of our proximity to and economic dependence on the mainland, it is very encouraging that it has turned out to be a non - event. our exchange rate remains stable and our interest rates close to those of the us dollar
香港方面，基於地理上毗鄰內地及對內地經濟的倚賴，我們的金融市場對這項改革的反應會較其他地區敏感，但迄今市場表現平靜，港元匯率維持穩定，利率亦貼近同期美元利率，實在令人鼓舞。The first of its kind in hong kong and perhaps the region, the teaching hotel of cuhk will be built on a site adjacent to the university train station, overlooking the scenic tolo harbour
為進一步結合理論與實務，香港中文大學決定與新世界發展有限公司合作，興建全港也是鄰近地區的首間教學酒店。分享友人