時距圖 的英文怎麼說
中文拼音 [shíjùtú]
時距圖
英文
time space graph-
Charted with them, and guangzhou time units was preliminarily analyzed as well. secondly, the author introduced the way and the signification of temporal position analyse with examples. thirdly, taking on - the - spot survey method as a practical tool, the author obtained data of temporal distance between each time unit at the verge of different urban districts and the central time unit of the city
論文以廣州市為實證研究的對象,對廣州的市區范圍進行了時間單元的劃分並繪制出了時間單元圖,同時對廣州的時間單元滿意率進行了簡單的分析;接著以實例介紹了時間區位分析的方法和意義;然後利用實際測量法,在不同時間段測得廣州市時間中心到城建連片區各邊界點的時間距離,繪制出時間廓線,得出廣州市城建連片區的時間形態現狀及時間形態的日變化規律。By literature consultation and from the perspective of biomechanics and anatomy, the article studied hamstring movement characteristics of soccer player while rush running of short distance with emg, and analyzed potential factors ( musculature of the pelvis and thigh ) of hamstring injury, furthermore, suggest active advice and recommendations for the prevention
摘要運用文獻資料法從生物力學和解剖學的角度結合肌電圖對足球運動員短距離沖刺跑時?繩肌活動的特點進行了研究,分析了?繩肌損傷的主要原因,並對足球運動員比賽中預防?繩肌損傷提出合理化建議。We illustrate the wavelet package analysis that can obtain the time - frequency distribution figure of noise signal, which can be used to define gray - image. through image - average, we can get the standard time - frequency distribution images of different main bearing gap. based on that, a main bearing wear fault diagnosis model using image matching is set up
然後對圖像進行平均,得到主軸承在不同間隙狀態下的「標準」時頻分布圖,建立了柴油機主軸承間隙圖像匹配的故障診斷模型,匹配時所用的參數為兩幅圖像之間的歐氏距離。As house republicans attempt to limit further political damage five weeks before the november 7th congressional election, they face mounting calls for speaker hastert to step down
當前距離11月7日國會大選還有五周,國會共和黨人正試圖控制政局,不讓事態進一步惡化,同時他們還面臨著一浪高過一浪、要求議長哈斯特德下臺的呼聲。Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively
本文對大圓環直線感應電機進行了深入細致研究,內容包括: ( 1 )本文採用有限長行波面電流作用於有限長鐵芯上的模型,引用了氣隙磁場一維解,研究了單層繞組磁場,奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較,簡單介紹了二維解; ( 2 )用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析,並分析了結果; ( 3 )用軟體進行了額定電壓下的瞬態分析,得到了轉矩,位移,轉速隨時間變化曲線圖,利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較,採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證,由實驗測得了三相電流波形,並與計算結果進行了比較,對其不對稱性進行了定性分析。Real - time matching algorithm for radar image with electronic chart based on hausdorff distance
距離的雷達圖像與電子海圖實時匹配演算法In the application of mini - micro - robot visual perception, there is a need for fish - eye lenses for capturing wide field of view for navigation. though fish - eye lenses provide a wide field of view ( 180 ), they introduce significant distortion in images and the acquired images are quite warped, which makes conventional camera calibration algorithms no longer work well. this paper presents an accurate calibration framework for fish - eye lens ( a high distortion lens ) camera stereo vision system. the accurate calibration model is formulated with radial distortion, decentering distortion and thin prism distortion based on the fisheye deformation model. using fish - eye and non - linear camera model, the author employs levenberg - marquardt method to realize precise non - linear calibration for wide - view - scene dense depth image recovery
魚眼鏡頭成像立體視覺系統在微小型機器人視覺導航和近距離大視場物體識別與定位中有著廣泛的應用.盡管魚眼鏡頭攝像機具有很大的視場角(接近180 ) ,但同時也引入嚴重的圖像變形,常規的攝像機標定方法無法使用.該文提出一種標定魚眼鏡頭攝像機立體視覺系統的方法.在魚眼鏡頭變形模型的基礎上,通過考慮魚眼鏡頭成像的徑向變形、偏心變形和薄棱鏡變形,建立了魚眼鏡頭成像的精確成像模型,然後,利用非線性迭代演算法,精確求解攝像機外部參數、內部參數.實驗表明,使用該方法得到的立體視覺系統參數滿足精確恢復大場景稠密深度圖的要求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。The results of the experiments indicate that the main performance of the ladar prototype matches the design requirement theoretically. the ladar prototype has many advantages, such as high imaging speed, high image resolution, high ranging precision and high quality intensity image, which can be obtained simultaneously
實驗結果表明,所研製的成像激光雷達的主要性能指標與理論設計基本一致,具有成像速率高、圖像解析度高、測距精度高以及可同時獲得高精度強度圖像等優點。Based on the study of the fore going ' s, this thesis regards time - cell, time - center and time - distance as the basic elements of urban time structure. secondly, carry out three constructing principles - - " spatial scale " maps " time distance ", maintain basic spatial structures, extrude main time structures. thirdly, summarize four expressing forms of urban time structure of which isotime curve, isotime circle, time contour and time network
理論探討部分基於前人的研究成果初步確定時間單元/時間細胞、時間中心/時間基點和時間距離為城市時間結構的基本組成要素;提出時間結構構築的三原則: 「空間尺度」映射「時間距離」 、維持空間關系之基本格局、突出表達主幹時間關系;時間結構的表達則從時間結構的形態方面總結出等時線、等時圈、時間廓線圖和網路圖等表達形式;最後提出城市時間譜概念來評價城市時間結構的優劣。Data used in this work are north pacific ssta, 160 stations precipitation of china, and ncep reanalysis data. main results are as follow : ( 1 ) it is found that a apparent transition of north pacific ssta in later 1970 ' s : eastern and middle - equatorial pacific ssta turns from cold to warm with area extending, and mid - latitude pacific ( west wind drift zone ) turns from warm to cold. during this transition of ssta, different characters also appear in el nino and la nina : before 1976, la nina happens more frequently, and its duration is longer, el nino zone develops from negative ssta in the early stage ; after 1976, el nino happens a little bit frequent and longer with more intensity than before, el nino zone develops from positive ssta in the early stage ; the course of ssta variation has an enso cycle of 2 - 6 years, annual oscillation of 8 - 9 years, and decadal variation of about 22 years
本文採用1950 - 1999年北太平洋海表溫度( sst ) 、中國160站夏季降水和ncep再分析的歐亞500hpa高度場等資料,利用eof 、 svd 、小波分析、合成分析和相關分析等方法,在分析北太平洋海溫時空分佈特徵的基礎上,著重探討了海溫異常及其年代際變化對我國東部降水的影響,並對降水、高度場和海溫三者之間的關系進行了分析,以試圖尋找三者異常之間可能的聯系,主要結論如下: ( 1 ) 1976年前後,北太平洋海溫經歷了一次明顯的轉變,赤道中、東太平洋厄爾尼諾海區由冷轉暖,暖水范圍增大,中緯度西風漂流區海溫由暖轉冷;在這樣的年代際背景下,厄爾尼諾、拉尼娜事件在不同的時期也有不同的特徵:在76年前,拉尼娜事件發生頻率高,持續時間長,事件起始於負海溫距平;而76年後,則是厄爾尼諾事件發生頻率略高,持續時間長,強度增大,事件起始於正海溫距平。Luminous range diagram for obtaining the range at which a light can be seen allowing for its power and the prevailing visibility
光達距離圖供只考慮燈標強度和當時能見度確定能看見燈光的最大距離。Is a long desert strip more than 2, 680 km long running from north to south, it is interrupted by rivers running down from the
當您計畫到秘魯旅遊時,由於版圖的寬廣,距離亦需列入考慮因素之一。Firstly, the system is divided into many modules according to different point of view ; secondly, to the hardware equipment - vidicon, lenses, revolver, shield and decode device, their principle of work has been explained ; thirdly, according to image identification experience and other indexes of the system, the focus of the lenses and relative aperture are calculated, and the type of the camera is confirmed, at the same time, the energy of infrared lamp is also computed in the thesis ; at the same time, synthesis control box is devised
首先,按照角度的不同,將系統劃分成許多模塊。其次,對硬體設備? ?攝像機,鏡頭,雲臺,防護罩,解碼器等的工作原理進行了闡述,再次,以人的成像辨認的經驗判據為依據,結合系統的其它指標,設計計算出鏡頭的焦距f 、相對孔徑d ,同時確定攝像機的型號,並計算出紅外燈光源。最後,對綜合控制箱進行設計,指出了設計的意義,實現的功能,並附上了綜合控制箱的外形圖。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。As we know, correct identification of the psf parameters permits fast high resolution restoration of the blurred image. using the method, we can quickly restore the blurred image on line, and when the noise of the image is bigger, it can perform very well to identifity the blurred distance
當確切知道模糊系統的點擴散函數時,就可以快速有效地恢復模糊圖像,使用本文方法,可以滿足適時性圖像處理的需要,並且不需要事先知道相機的系統參數,在圖像噪聲較大的情況下,也可以很好的確定出來模糊距離。Secondly, combining practical survey method and time - resistance mathematic model, the author obtained average time distance from every time - cell to fictitious time center, isotime curve figure ( by arc view 3d analyze ) and temporal shape
然後利用實際測量法和理論公式法計算出深圳特區各時間單元的平均時間距離,並用arcview中的3d分析模塊自動生成等時線圖。It is possible for the terminal activity faults to penetrate to the quaternary, but their scale is generally small and the penetrating distance is short, therefore, they can not induce earthquakes on a large scale. the remote sense images of last thirty years in daqing region show that the linear tectonics have not changed remarkbly, in the meantime, the earthquake timing figure shows that the probability of the faults inducing earthquakes, which ms is no less than 5, is little, though some terminal active faults have penetrated to the quaternary
晚期活動斷裂有可能斷至第四系,但規模小,延伸的距離短,不會引發大規模地震,遙感解譯分析表明, 30多年來衛星遙感影像顯示的大型線性構造並無明顯變化;另外結合大慶地區地震時序圖認為,晚期活動斷裂即使斷至第四系,其活動引發5級以上地震的可能性也極小。The accident on monday was " very regrettable ", greenpeace said in a joint statement with the tubbataha national marine park, but it laid some of the blame on maritime charts showing its ship was 1. 5 miles 2. 4 km from the reef
在事發時,此圖顯示該船與那座珊瑚礁尚有1 . 5英里2 . 4公里的距離。該海洋公園所在地區已被聯合國有關機構認定為世界自然遺產。Image compression technology must be combined with real time transmissions to provide an efficient method. the remote transmission of image for robot current situation can be realized
同時,將圖像壓縮技術和實時傳輸技術結合起來,提供了一個有效的方法,使得可以在internet上實現機器人現場圖像的遠距離傳輸。分享友人