有效基線 的英文怎麼說
中文拼音 [yǒuxiàojīxiàn]
有效基線
英文
virtual base-
The procedure functions in the compare between partial image of dynamic collection and corresponding image of the airscape. in chapter 5, basing on the analysis of correlative theory of digital image, we introduce the improved fasted - down algorithm and simulative anneal algorithm, which applies to nn calculation, an d bring forward the unique and effective means, correlative original value evaluation. basing on the combination of correlative arithmetic, a stable, high - speed and exact correlative arithmetic is formed, which makes it possible to apply computer vision detection of single - needle quilting in industrial production
本文展開研究並取得一定成效：構建了基於pci總線的微機實時圖像採集系統；在採集的布料總圖（鳥瞰圖）的基礎上，通過數字圖像的數字濾波、圖像增強、邊緣檢測等處理，提取布料圖像的邊緣，對輪廓的矢量化的象素點進行搜索，得到相應的圖案矢量圖，從而確定絎縫的加工軌跡，生成加工指令；在進給加工過程中，主計算機對動態局部圖像與總圖（鳥瞰圖）的對應部分進行圖像相關的匹配計算，應用數字圖像理論，結合神經網路計算的改進最速下降法和模擬退火演算法，提出獨特而有效的相關迭代初始值賦值方法，形成穩定、高速和準確的相關運算，實現單針絎縫視覺測量和自動控制。We put forward an algorithm for self - discrimination of island relation and an automatic intersected method of the region machining unit, which can judge the relationship among any plane obturate contour line effectively and swiftly. we also study the tool path generation technology of two - dimensional machining, basso - relievo machining, three - dimensional lifting - pen machining. meanwhile, we put forward an optimize approach of tool path, which improve the efficiency of engraving
研究了圖像的刀具路徑生成技術與軌跡規劃問題，提出了基於射線的島嶼關系自動判斷和區域加工單元的自動分割方法，有效、快速地判斷了平面任意封閉輪廓線之間的關系，研究了平面任意區域填充加工、浮雕加工、三維提筆加工的刀具路徑生成的技術，提出了刀具路徑優化方法，提高了雕刻加工的質量和效率。The research status of the world diesel exhaust aftertreatment technology is summarized systemicallyo at the same time, the development status and problems about oxygenation catalysis converter and particulate filter are analyzed on the basis of mentioned informations, we bring up a diesel exhaust cleanse system, that adopts the technique course of catalysis conversion combining particulate collection and regeneration the system collects exhaust particulate by means of efficacious filtering material it can oxidize ho co and macromolecule solvable organic via catalyst and diesel oil additive enhanced temperature will partly oxidize collected particulate and ultimately achieve the aim of exhaust reduction, after processing system frame design and trial matching, it ' s detected that the system can surely cleanse gas exhaust and particulate in addition, gas - ejected combustion - supporting regeneration for diesel particulate filter is also researched, we have rudimentarily designed the software and hardware of the g as - ejected combustion - supporting system having processed a series of trials, we discover the rules of the system credibly working these rules demonstrate the right direction for researching gas - ejected combustion - supporting regeneration technology
本文系統地介紹了國內外柴油機排氣后處理技術的研究現狀，分析了氧化催化轉化器和微粒捕集器的發展現狀及存在的問題，以此為基礎，提出了一種柴油機排氣凈化系統，該系統採用催化轉化與微粒捕集及再生相結合的技術路線，通過過濾材料的有效過濾，將排氣中的微粒進行收集，藉助于催化劑和柴油添加劑使排氣中hc 、 co及高分子可溶性有機物氧化，產生的高溫使得收集到的微粒部分氧化，從而達到降低排放的效果。通過系統結構設計和試驗匹配，實現了對氣體排放物和微粒的凈化。同時，論文中還進行了柴油機微粒捕集器噴氣助燃再生的研究，初步設計了噴氣助燃系統，進行了控制系統軟、硬體的開發，通過正交試驗，摸索出了噴氣助燃系統可靠工作的一般規律，為噴氣助燃再生技術的開發提供了方向。To ensure the security of gi inspection, no approving method has been developed by far to drive the capsule endoscope but utilizing the natural peristalsis of gi tract. the uncontrollability of the capsule endoscope brings on some limitations in its functional extension in inspection, medication and surgery, such as temperature and ph measuring, medicament spraying, sampling, on - line sample analyzing, laser incising and rf cauterizing
膠囊內窺鏡目前還沒有實用的主動驅動方法，只能利用消化道自然蠕動作為膠囊內窺鏡前進的動力。由於膠囊內窺鏡不可控，限制了它的功能擴展，比如壓縮空氣噴藥、吸取組織樣品、在線樣品分析、激光切割、射頻燒灼等。完善的膠囊內窺鏡系統需要在現有基礎上加入安全有效的驅動控制，可調整姿態、行進及定位，從而擴大膠囊內鏡檢查的適應癥、安全性與多功能性。On this foundation the article inducts in detail the method which is based on the relative settlement of calculating unit area end support ( qb ) force at the same time considering the feature of pedestal pile ' s " arch effect " the article introduces conception of pile effective length and finally obtain t he formula of calculating man - made pipe with bulb - shaped axial carrying capacity. the article uses marc program to calculate and analyze foundation soil ' s stress and displacement and gets the change curve chart and the proportion that is shared by king - pipe side soil friction resistance and pipe end counterforce respectively. the article inducts the structure of pedestal in detail on the basis of generalizing pedestal application cases of many countries
在此基礎上論文詳細歸納了以相對沉降為依據確定單位面積端承力q _ b的計算方法，並考慮擴底樁的「拱效應」特點引入了有效樁長的概念，最後結合公路規范推出了比較實用的人工挖孔擴底樁軸向承載力計算公式。論文運用了marc程序對地基土的應力和位移進行了有限元數值計算分析，得到了地基土的應力和位移場的變化曲線和在加載過程中樁側土摩阻力和樁端反力各自所承擔的比例；本文還在總結各國挖孔擴底樁應用情況的基礎上就擴底樁的構造進行了詳細的歸納。Through the inspecting, the author selected three methods of eradiate noise ' s feature extraction. the methods include the pedigree, e - filter, fractal. in those methods, the pedigree is based on frequency field, the e - filter is based on the energy field and the fractal is based on time field
本文作者經過考察，採用了三種前期研究中較為有效的水下目標特徵提取方法? ?基於功率譜估計的線譜特徵提取方法、基於小波分析的不同頻段內能量特徵提取方法和基於水聲信號分維特性的特徵提取方法。At first, this paper analyzes the factors of water - sand influencing water level of yellow river and the feasibility just using the factors of water - sand to study water level, and collects the corresponding data ; secondly, because there are strong nonlinear relation in the corresponding data, by meticulous theory analysis, this paper integrates basic nonlinear analysis method, theory of random analysis, method of least squares and so on. it puts forward a method which can get the high accuracy simulation of the data, perfects the multi - factor analysis of variable ( over three factors ) of the statistic ; thirdly, it applies the method to the approximation of corresponding water level process which belong to the capacity of sand of middle - high and middle - low, and get the high - accuracy simulation about the typical nonlinear relation ; at last, this paper definitudes the main influence mode that the capacity of sand. it mainly unite with other factors to work on the water level in the yellow river lower reaches ; mor eover, this paper analyzes the difficult point and the direction of improvement to realize the accuracy forecasting of the flood level of erodible - bed channel
首先，系統分析了影響黃河水位的水沙因素，及僅用水沙因素有效研究水位的可行性，並按變量對應思想採集它們的相應數據；其次，由於相應水位過程數據中含極強的非線性關系，本論文經細致的理論分析，將基本的非線性分析方法、統計建模方法、隨機分析理論、最小均方誤差原則等等數學理論及方法有機揉合，提出了能有效實現這類數據高精度擬合的分層篩選法，並改進了統計學中多因子（三個以上）方差分析法；再次，將這一方法用於黃河中高及中低含沙類洪水相應水位過程的擬合，實現了這一典型非線性關系的高精度擬合，各年汛期上下游相應洪水位過程的擬合誤差都較小；最後，明確黃河下游含沙量對水位的主要影響方式，即含沙量主要是與其它因素聯合對水位作用；另外分析了要實現變動河床洪水位過程準確預報的困難所在及改進方向。The road system, which provides only for the bus operation is researched in this article. the methods of how to condemnation constructing the bus - operating road system or not is excogitated. on the basis of summarization the history methods of common public transportation network planning, put forward of the propping route design methods
對公交專用道進行了研究，研究了公交專用道路系統建設的現實可能，分析了設置公交專用道的條件和效益，提出了確定是否設置公交專用道的研究模型；對常規公交線網規劃進行了總結和歸納，提出了基於現有公交線網的探索式線網生成方法。Grounded on analysis to the supervisory and regulatory practice in the usa, hong kong, common wealth and some other countries or distracts, the article holds the opinion that, to realize supervision to the deeds of stock market manipulation, the special entity shall be granted comparatively abroad and flexible power to stipulate regulatory rules and executory power that can provide regulators system and means to exert its professional supervision beforehand and its regulation in time. based on the above construe, with a view of the status in quo in our country, the article concludes on possible, approaches and ways for our country to consummate our supervision and regulation of stock market manipulation
股票市場操縱行為的上述特徵使許多特定行為在不同時期、不同市場以不同形態出現，許多操縱行為與合法行為之間的界線不斷變化，基本的證券立法不可能對全部的操縱行為進行詳細規定，必須依賴監管者發揮其專業監管能力，正確處理保護投資者利益和維護市場有效性之間的，他們在2003年7月初步完成了題為（ （ whatw0rksinsecuritieslaws ） ） （ nberw0rkingpaper9882 ， july2003 ）的研究報告In course of auto - focusing, the paper takes the sum of the square of gray difference as focal distance evaluation function to decided that image is in focus or not quickly and put forward an effective auto - focus searching way based on threshold value and curve fitting. these improve speed and precision of auto - focusing
在自動聚焦過程中，論文採用了圖象的灰度差分的絕對值之和的平方作為焦距評價函數，解決了是否正確聚焦的快速判斷問題；採用了一種行之有效的基於閾值和曲線擬合的自動聚焦搜索方式，使聚焦速度和精度都得到了很大的提高。By integrating all the latest information and active form gateway technology, the project connected the wireless communicating network, telephone network and internet to realize the alete bonding of information and widening the service scope of application system based on internet, thus the farmer could get the information from internet more delicacy and effectively, which will solve the " the lastly one mile " problem of fruiter information transferring
摘要本項目綜合運用各種最新的信息技術以及主動式網關技術，將無線通訊網、固定電話網和網際網路絡連接在一起，實現信息的無縫跨接，拓寬了網際網路絡上應用系統的服務范圍，使得基層農戶能夠以靈活方便的形式獲得網際網路絡上的信息，有效的解決了果樹信息傳遞的「最後一公里問題」 。Based on the equal strain consolidation model of sand drain, and neglecting the well resistance and the vertical drainage consolidation, a layered model for the nonlinear consolidation of sand drain, which accounts for the geostatic pressure varying along depth and the relationship between the average viod ratio and the logarithm of average effective stress, is presented
摘要基於砂井等應變固結模型，考慮初始有效應力沿深度變化，忽略井阻和豎向排水固結的影響，應用平均孔隙比與平均有效應力的對數關系，建立砂井非線性徑向排水固結的分層計算模型，並求得常荷載作用下的徑向排水固結解析解。The mathematical statistics method and extrema variance clustering method can be used to visible automatic classifying and reading of logging curves. the lithofacies classifying program basing on multi - mineral model analysis presents a new method to analyze logging - facies and more accuracy and visualized logging facies section can be reached by using this method. in addition, it supplies reliable lithologic layering reference for search and evaluation of oil / gas caprock and it also made up for the high cost of core - drilling and the inaccuration between lithic fragment description and depth
採用基於「數理統計-極值方差聚類法」的面向對象可視化操作方法可有效地解決測井曲線的可視化自動分層取值問題；而基於多礦物模型分析的巖相劃分程序又提供了一種新的測井相分析方法，能得到更為準確直觀的測井相剖面，為尋找和評價油氣蓋層提供了可靠的巖性分層依據，同時彌補了鉆井取心費用高和錄井巖屑描述與深度有誤差的缺陷。On the basis of the algorithm, in this paper some different control systems are analyzed and discussed. some basic conclusions have been have been drawn, and its rationality to use the ote strategy has been verified
本文以此為主線，分析討論了各種不同的控制系統，得出了一些基本的結論，初步驗證了離復位控制方法的有效性。First, it was taken that a discuss about the effects of geometry parameters of each piezocrystal on direction parameters ( main lobe width, side lobe amplitude, elimination of grating lobes ), amplitude of ultrasonic pressure, element viberation pattern, mutual radiation among elements, efficient test regions, ability to keep accurate and near - field distance and so on. based on the direction of ultrasonic field in ulpa deduced by ourselves. in addition, on the base of integrating all kinds of factors, it was put forward that the principle and method for optimized design of geometry parameters of piezocrystals in ulpa transducer, and its design programme and interface were compiled
首先在推導超聲相控線陣換能器聲場的指向性的基礎上，就各個晶片幾何參數對指向性指標（主瓣寬度、旁瓣幅度、消除柵瓣） 、聲壓幅值、陣元振動模式、陣元間互輻射、有效檢測區域、精確控制能力、近場長度等方面的影響進行了論述，並在綜合各方面影響的基礎上，提出了晶片幾何參數優化設計的原則和方法，編寫了設計程序和界面。A new fractal - based infrared image feature extraction method is presented and the detailed theoretic analysis and implement procedure of this algorithm is submitted and tested in some experiments. with the limitation of the line detection based on traditional hough transform that the information of the length and the end points of the line is unavailable, a new algorithm which makes use of the accessional strategy based on precognition information is put forward to meet the demand for more information of the line, simulation results show this method is effective. finally, the whole process of airport target recognition is presented and the result images are also given
使用分形方法提取目標的特徵，在知識指導下，提出了一種基於目標特徵模型的降維的形態學分形維數計算方法，對傳統分形方法進行了改進，從理論上推證了演算法的合理性，並對演算法進行了模擬分析；針對傳統hough變換無法獲得線段端點和長度信息的局限性，提出了一種基於目標特徵先驗知識的hough變換融合策略，通過引入目標先驗知識，可以有效地獲得直線信息；對信息多而復雜的機場目標採用基於知識的目標識別方法，使用置信度模摘要型實現不確定推理，對目標進行識別判斷，將知識貫穿于整個識別過程中，對目標進行了有效地識別。Then we present a toa / tdoa data fusion model based on mathematical statistics for radiolocation in cellular network, and fuse toa / tdoa measurements through a best linear fusion method and a mobile position based dynamic location algorithm, which shows good performance of robustness and accuracy
然後，從數理統計的角度出發，構造了一個toa和tdoa進行位置估計的數據融合模型。主要利用一種最佳線性融合策略和基於移動臺位置的動態定位演算法對toa和tdoa測量數據進行融合，有效的提高了演算法可靠性和準確度。After contrasting and analyzing the two common used measure method of discontinuity, a modified method that is elaborate method of joint surveying is put forward for the first time. rational method to get spacing of joints is researched utilizing lots of statistical results. according to the theory of minimal valid length of scanline, 5m is chose as appropriate statistical section length to obtain the successive values of those indices indicating rock mass structure, they are spacing, number and total length of joint
本文在對比分析目前兩種常用的結構面測量方法優缺點基礎上，首次提出了一種改進的結構面測量方法?節理詳細精測法，並利用大量的統計結果，研究合理的間距取值方法，根據間距無偏差測量的最小有效測線長度理論，選擇5m作為統計區間長度，獲得了節理間距、條數、總長度隨洞深的連續變化值。The experiments have shown that this method effectively simulates the intrinsic baseline decorrelation effect of insar
實驗證明，該方案的確能夠正確、有效模擬干涉sar成像固有的基線去相關效應。Because the distributed - satellite sar system can offer more baseline results, we can raise potential function further and with change or increase the new unit in the multitudinous group, we can support the special adaptation, existence ability and function promotion
分散式衛星組合還可提供更長的投影基線（有效基線）和更多的投影基線（有效基線）組合，進一步提高潛在性能，還可通過切換或增加群聚組合中的新單元，支持特有的自適應性，生存能力和功能提升。分享友人