測圖精度 的英文怎麼說
中文拼音 [cètújīngdù]
測圖精度
英文
mapping accuracy- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 圖 : Ⅰ名詞1 (繪畫表現出的形象; 圖畫) picture; chart; drawing; map 2 (計劃) plan; scheme; attempt 3...
- 精 : Ⅰ形容詞1 (經過提煉或挑選的) refined; picked; choice 2 (完美;最好) perfect; excellent 3 (細)...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 精度 : precision; accuracy; degree of accuracy; precision accuracy; trueness
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Based on the principles to respect believable and higher precise paleomagnetic data of blocks and to pay attention to the similarity of paleo - biogeography and the coordination of tectonic evolution, the paleomagnetic data of chinese continental blocks and adjacent areas for paleozoic and triassic were collected, the chinese continental blocks were laid up on the reconstruction of global paleo - continents with similar scale
摘要在尊重比較可靠的、測試精度較高的地塊古地磁數據,重視生物古地理與地質構造演化史的相似性和協調性等原則的基礎上,筆者編制了中國大陸及鄰區各陸塊古生代和三疊紀的古地磁數據表,並採用類似的比例尺,將中國各陸塊放到相應的全球古大陸復原圖上去。Our experiments show that the photogrammetry with digital camera has a better precision and the large scale topographic map and orthograph can be produced with it
試驗證明利用數碼相機進行攝影測量精度很高,能夠用來測制大比例尺地形圖和正射影像圖。This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions
首先對加速度計及其測試技術的發展歷史和現狀,液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹,然後確定了以二元調寬脈沖再平衡測試迴路為設計方案,並從控制理論的角度進行了分析,著重研究了系統中各部分的傳遞函數,利用系統開環傳遞函數分析了系統的穩定性,同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題,並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路,驗證了電路的正確性,最後按照測試系統的要求,採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具,利用該圖形化編程語言完成了測試系統軟體部分的設計,實現了測試功能。After the temperature measurement system is scaled by the black body furnace, we use least square method and neural network to calculate the temperature respectively according to the images taken from both the black body furnace and the common coal furnace. through comparison the calculation data with the result of thermocouple, an improved method of neural network is proposed. this method is more practical and precise
根據標定結果,本文用最小二乘和神經網路兩種方法分別對黑體爐和普通煤爐的圖像進行了溫度計算;通過比較熱電偶輸出的溫度值和計算的結果,提出了一種改進的神經網路方法,該方法更適用於工程實際,其測溫精度較高。Because the elevation data we have acquired through gps is too variable to satisfy the mapping accuracy requirement the elevation value is solved by the water lever observation in the hydrology station and datum horizon correction of sounding observation
由於gps的rtk模式測量所獲取的高程精度不能滿足測圖精度要求,因此其高程值是通過測量水深值、結合其統一到基準面的改正數、根據相關水文部門各水位站提供的水位觀測資料綜合計算獲得。The main contribution of this paper is that it offers the software to analyze the detection performance and the combat efficiency of radar system taking advantage of visual c + + 6. 0. the software has very well graphics visualize output interfaces. the software can be used to expediently compare the detection performance of radar in existence, calculate and compare the max range and the detection precision of different radar under varying complex environment, calculate the radar detection probability and the radar false alarm probability. some new analyzing module can be added in this software easily
論文的主要貢獻是利用visualc + +設計了「機載火控雷達性能分析與效能評估軟體」 ,該軟體具有良好的人機交互性和圖形化形象化的輸出界面,可以方便的分析對比現有國內外機載雷達系統的檢測性能,對比不同雷達系統在各種復雜環境下的最大發現距離,計算不同雷達系統在各種復雜環境下的測量精度,以及計算雷達的檢測概率和虛警概率等參數,並且可以方便地添加新的分析模塊,進一步增加軟體的功能。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。Aerial photograph is original resource of the photogrammetry and the revision of topography maps, image quality directly affects the precision of mapping, work efficiency, economy index and the reliability of image interpretation. so it is necessary to take some techniques to insure image quality
航攝像片是攝影測量和修編地圖的原始資料,它的質量對于成圖精度、工作效率、經濟指標以及判讀的可靠性有著決定性的影響,所以在航空攝影及攝影處理的各個工序中應創造出一切條件,使得航攝像片具備良好的質量,滿足攝影測量的需要。Revolutionary longwave image quality longwave 8 to 9m performance provides superb high definition image quality, ultra precise
圖像性能提供極其精確的測量精度,低的大氣衰減率和高解析度的The distributed plc system of the floodgate ' s opening measuring presented by the paper has many advantages such as high reliable operation, high measuring precision, having the network communication function, convenient installation and correction, etc. this thesis further studies the key device for the floodgate ' s opening measuring, the rotary encoder, selects the absolute rotary encoder adopting the binary cyclic code, studies the method for transforming the cyclic code to the binary data and according to the transforming formula designs the ladder diagram program
本論文研製的分散式plc閘門開度測量系統具有工作可靠、測量精度高、具有聯網通信功能、安裝和校正方便等特點。本論文深入研究了閘門開度檢測的關鍵器件? ?旋轉編碼器,選用了採用二進制循環碼編碼的絕對式旋轉編碼器,研究了將二進制循環碼轉換為二進制數的方法,根據轉換公式設計了plc的梯形圖轉換程序。The history and present situation of electric measuring instrument and features of intelligent meters are introduced in this paper. a brand - new scheme of intelligent electric parameter meter is proposed by the author after combining the features of intelligent meters and practical demand for electric measuring in 300mw generator units. general design, realization of hardware circuit comparison and analysis of errors of different algorisms are discussed in detail
本論文介紹了電測儀表的發展歷史與現狀,以及新興智能儀表的特點;結合智能化儀表特點和300mw發電機組電參數測試的實際需要,首次提出了一種智能型發電機組電參數綜合測試儀的研究方案;詳細敘述了該智能型綜合測試儀的總體設計,硬體電路實現,各種演算法的比較的誤差分析;以及軟體框圖設計,針對影響測量精度的因素進行了分析,並制定了改進措施。By this, the error of observation will be reduced. the precision requirement of angles measurement is 0. 1 arc second. angles measurement can be substituted by translation measurement between images in detectors
根據觀測精度的要求這一夾角的測量精度必須控制在0 . 1角秒內,夾角測量可轉化為探測器上圖像平移量測量。In addition, the paper gives the calibration method of the measurement system, implements the sub - pixel orientation to the image edge, analyses all kinds of factors that affect the measurement precision and gives the solution
另外,文中也給出了本測量系統的標定方法,對圖像邊緣實現了亞象元定位,分析了影響測量精度的各種因素並給出了處理辦法。Optical triangulation method was used to measure geometrical dimension parameters by laser displacement sensor scanning. both laser displacement sensor scanning and image processing technology were used to measure failure parameters. the detecting results of parameters of wheel set met the requirements of vehicle maintaining
輪對尺寸參數是利用基於激光三角法測量原理的激光位移傳感器來檢測,踏面缺陷參數的測量是利用激光位移傳感器和圖像處理相結合的方法來檢測,其測量精度達到車輛段修要求的技術指標。Successive - frame particle match approach was implemented to ensure high measurement precision
實現了實時圖像序列的逐幀粒子匹配方法以保證測速精度。Based on the mathematic model of oct, it is proved that oct is of the open loop characteristic, which for the first time explained the reason why oct itself can not meet the demand of precision used in practice. since it is impossible for oct itself to realize a close loop structure, the only way to improve the precision of oct is with the help of the new independent variables
從模型化分析出發,在基於光學電流傳感原理的oct的完整數學模型和系統特性方框圖的基礎上證明了oct的開環機理,首次從理論上解釋了外界因素導致光學電流傳感的測量精度始終達不到實用化要求的原因在於oct具有開環系統特性,而且,從oct本身是不可能實現閉環結構的。With a view to the difficulty and precision of surface reconstruction from a single image, the reconstruction from monocular multiple images is developed in the paper
為了提高曲面測量精度,本文還開展了基於單目多幅圖像的曲面重構工作。In this paper, based on the detailed analysis of the measurement principle and the measurement method of the wide range pulse convert circuit board, the hardware circuit of the measurement system is designed, and the software flow hart of the measurement system is drawn in detail. the emphasis is to present the method to improve the system measurement precision by plenty of experiments
本論文在詳細分析了大量程脈沖變換電路板測試原理、測試方法的基礎上,設計了測試系統硬體電路,較詳細地畫出了測試系統軟體流程圖,重點是通過大量實驗總結出提高系統測量精度的方法。This paper mainly accomplished the following research : summarize the classify and application fields of four - probe testing technology ; take the square four - probe testing technology study by using the advantage of rymaszewski method in auto - eliminating the portrait wandering influence to induct ry method to square - probe testing method ; deeply study the influence of probe wandering to progressed ry method testing result ; complete the design of testing panel and testing circuit, realize the auto - testing of mono crystal wafer ; discuss the image enhancement and threshold selection problem in image identify, and finally accomplish the identify of probe pinpoint. the main new view points of the research : 1. it is the first time for applying image manipulation and analysis technique to the sheet resistance measurement, and achieving the auto - location function of the probe
為此,本文開展了以下研究工作:綜述了四探針技術的分類以及應用范圍;對方形四探針測試技術進行了研究,利用rymaszewski法自動消除探針縱向游移影響的優點,將它應用於方形探針測試法中,並對探針游移對改進rymaszewski法測試結果的影響進行了深入探討,提出了用圖像識別技術監測測試進行的方法;完成了測試系統的測試平臺以及測試電路的設計,研製出具有圖像識別功能的斜置式方形探針分析儀一臺,實現了矽片電阻率測試的自動化;對圖像識別過程中涉及到的圖像增強和閾值選擇問題進行了論述,最終實現了對探針針尖的圖像識別以及探針測試結構的自動調整,保證了方形探針測試儀的測試精度。The result shows that the value of void fraction is reliable and can reflect the real status. in this paper the error source is analyzed and discussed and the approach of how to advance measure precision is proposed, which has significant fact meaning
文中還對採用圖像處理計算摻氣濃度過程中出現的誤差可能來源及提高測量精度的途徑進行了分析和探討,這對于提高摻氣濃度的計算精度具有重要意義。分享友人