測量的平差法 的英文怎麼說

中文拼音 [liángdepíngchā]
測量的平差法 英文
method of adjustment
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : 4次方是 The fourth power of 2 is direction
  • : Ⅰ形容詞1 (沒有高低凹凸 不頃斜) flat; level; even; smooth 2 (高度相同; 不相上下) on the same l...
  • : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  • 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
  1. The methods of direct measurement with low precision such as frequency and time interval methods and the methods of indirect measurement with high precision such as beat frequency method, dual mixer time difference method and frequency difference multiplying method are supported on the platform. the fundamentals of each method are studied. the quantization error is analysed and the illustration is given for each method

    臺支持直接頻率和時兩種較低精度以及雙混頻時拍頻率和頻倍增高精度簡接,本文研究了各種原理,對各種化誤作了分析,並給出具體實例。
  2. The method that measuring horzontal component of the earth magnetic field with digital quantometer is introdnces, the computational formule are given, systematic error are discussed, the advantages of the this method with tangent galvanometer measuring horizontal component of the earth magnetic field are simply expounded

    摘要介紹了用數字沖擊電流計地磁場水,給出了計算公式,對系統誤進行了討論,簡述了該方與用正切電流計地磁場水優點。
  3. Methods : fifty paired embalmed cadaveric humeri ( twenty - five pairs : fourteen from male donors and eleven from female donors ) were scanned in medial - lateral ( ml ) and anterior - posterior ( ap ) position according to the humeral retroversion by ct. images of the humeri in the transverse planes at the lowest border of neck ( lbn ), 20mm and 40mm distal of lbn ( lbn - 20 、 lbn - 40 ), isthmus, head - neck anterior - posterior ( hn - ap ) were obtained. sixty - one extracortical and intracortical parameters were measured exactly by image analytic computer software that included offset, head position, head - shaft angle, head to tuberosity height ( ht ), head thickness, curvature radius, articular surface arc ( sa ), neck diameter, isthmus position, proximal and distal border of isthmus, maximum coronal and sagittal diameter of medullary canal and thickness of cortical bone in four planes, including lbn, lbn - 20, lbn - 40 and isthmus

    : 50根成對防腐肱骨(男14對,女11對)按肱骨頭扭轉角置於冠狀位和矢狀位,行肱骨全長,頭頸矢狀面,解剖頸下緣及其下20mm 、 40mm ,髓腔狹窄部四面ct掃描,由ct軟體冠、矢狀位髓腔內外參數共61項,包括頭心?干軸距,頭位置,頭干角,頭?結節高度,頭厚度,頭半徑,關節面張角,解剖頸直徑,髓腔狹窄部位置,解剖頸下緣及其下20mm 、 40mm和狹窄部四個面髓腔最大冠、矢狀徑,皮質骨厚度等。
  4. According to the engineering practice, the theoretical basis and method that survey directly the horizontal distance and height difference by the total station system as fourth grade and below fourth grade control network are put forward instead of surveying slant distance and zenith distance

    摘要根據工程實踐,提出了用全站儀直接距、高來代替斜距、天頂距作四等及四等以下控制網理論依據和方,並以張河灣抽水蓄能電站施工控制網為例進行了比較計算。
  5. Then, the article describes the mathematic model of block adjustment with independent model andundle block adjustment which both supported by gps data. at last, takeing the digital aerial triangulation system of the red star digital photogrammetry system as the testing platform, we required some conclusions significative to actual generation

    在此基礎上,建立gps數據支持獨立模型和光束區域網數學模型。並以紅星數字攝影系統中數字空三子系統為臺進行試驗,獲得若干對實際生產有指導意義結論。
  6. Secondly, in phase unwrapping to overcome the spread of wrong point, changing the patch of unwrapping phase is done to improve the correctness of it. then, the relation between the unwrapping phase and the height of reconstructed object is discussed detailedly. the data processing, algorithm analysis and reconstructing object are done for the collecting fringe image which are all based on matlab language, in all these achievements, the improvement and innovation aspect are following : a ) in order to stabilize the interference fringe, a new equivalent shifting object method is presented by using fringe stabilizing device to stabilize the interference fringe though moving object and ccd camera which fixed on a precise moving platform together, the experimental result shows the fringe drift is less than a / 20 in five minutes, and the equivalent phase shifting precision is x / 100

    論文在全面闡述了光學三維輪廓位相發展、應用現狀、研究熱點及未來發展趨勢基礎上,簡要介紹了傅立葉變換和相移位相輪廓基本原理,對兩種存在問題及誤進行詳細分析和比較;針對位相解包裹錯誤點傳播問題,作者通過改變解包裹路徑來提高位相解包裹正確性;分析討論從解包裹位相( x , y )到再現物體高度h ( x , y )物理之間關系,研究相應演算,利用matlab臺,對實際採集條紋圖像進行處理和輪廓重構,其中改進及創新工作主要表現在以下兩個方面: ( a )針對干涉型結構光場干涉條紋出現漂移抖動對相移影響,提出了一種用條紋穩定器穩定干涉條紋,用精密移動臺使物體和ccd攝像頭同步移動實現等效相移,建立了相應系統,系統條紋穩定可以達到。
  7. Based on the analysis of the characteristics of the raw mix slurry preparing process in alumina sintering production process, firstly, a mechanism model based on material balance principle was established as the master - rule model for the quality prediction ; secondly, considering the problem that the alkali liquor composition was unstable and its real - time measurement was difficult, a nn ( neural networks ) prediction model for the prediction of the alkali liquor composition was set up and nesting - integrated with the mechanism model ; finally, using the gray theory for the information mining from the errors of the mechanism model, a gm ( 1, 1 ) compensation model was put forward and parallel - connection - integrated with the mechanism model, achieving a raw mix slurry quality prediction model

    摘要針對燒結氧化鋁生產過程中生料漿配料工藝特點,根據物料原理建立機理模型,作為生料漿質主規律模型;針對堿液成分波動大且難以實時檢問題,對堿液成分含建立了神經網路預模型,並和機理模型進行嵌套集成;利用灰色理論對機理模型數據進行信息挖掘,建立了gm ( 1 , 1 )補償模型,並與機理模型進行並聯集成,獲得生料漿質模型。
  8. On the other side, measuring errors of grounding resistance and solution of current voltage electrodes reversing has been compared with horizontal two layers and vertical delaminating ( three layers soil )

    比較分析了電流電壓極反向布置、在水雙層和垂直分層或三層土壤結構中接地電阻和解決辦
  9. Then the periodic properties of geocenter motion in the x, y, z components are summarized. considering the statistical precision of the gps observations, the geometrical distribution of gps stations and their physical stablility, a new method to determine the parameters of geocenter motion is studied and analyzed. in order to have a better understanding of its effect on the height datum origin, the rule of geocenter motion in the horizontal and vertical components are also analyzed and some useful conclusions are drawn

    提出了將譜分析與抗估計相結合譜分析方,並用該方分析了地心運動時間序列主要周期特性;為合理地確定地心運動參數,詳細研究與分析了一種新定權方對求解地心運動參數作用,該方充分利用了gps觀統計精度、點位幾何分佈以及物理穩定性;為了明確地心運動導致高程基準變化,分析了地心運動對地面點和垂直分影響規律。
  10. However, the accuracy and instantaneity of the most used mark post measurement method are not good and the errors of five - wheel measure device with contacting measurement principle are serious when it is used in soft and undulated surface field

    但是,常用標桿精度和瞬態性較,接觸式五輪儀用於田間松軟、不地況誤較大。
  11. On the base of the relativity and the data self - sealing characteristics of circular division measurement, an arbitrary measurement system on circular division and dihedral is built, and the processing method of the dynamic data zero average and the balancing based on self - sealing nature reference are also built

    在圓分度相對性和數據自封閉特徵基礎上,建立了基於圓分度和二面角任意角系統,和基於自封閉自然基準動態誤數據零均值處理和處理方
  12. Now the 2d precision of spatial points is very great, but because by usual correlation fitting method we can transfer gps ellipsoidal height into normal height of the local geoid is considered as mathematical curve plane, it is not conform the fact of mountainous districts so the precision of elevation is so small that it is not satisfied with the requirement of leveling

    目前,地面點面位置確定精度已相當高,但高程精度始終未能達到水準要求,因為將gps大地高轉化為水準正常高擬合推估方是將局部大地水準面視為數學曲面,常常與實際情況異較大(特別在西部山區異更大) 。
  13. Consequently, the paper investigates the following aspects about the network adjustment theory and practice for airborne gravimetry, m oreover, some questions correlated with solving the adjustment problem are discussed in detail. 1. based on actualities of airborne gravimetry, two practical methods of searching crossovers are proposed, i

    為此,本文從以下幾個方面對航空重力線網理論與方及相關內容進行研究,並得出若干初步結論: 1 、結合航空重力實際情況,提出了兩種實用交叉點搜索方,即跳躍搜索和圖形輔助搜索
  14. Aees employs the multi - staged digital filter algorithm to reduce random error. meanwile, the system correct zero deviation through linear opreation. the instrument, from hardware aspect increases the feature of anti - interference by the way of reasonable layout, sepration of digital and analogue

    系統採用了中值濾波和滑動均濾波相結合多級數字濾波演算來減小隨機誤,並以精密基準電壓作為比較信號輸入,由智能系統通過線性運算,實時地修正、校準數據,減小系統零漂,實現自動定標並提高精度。
  15. Abstract : according to the characteristics of road surveying, the author introduces the method of coordinate adjustment of the total station coordinate traverse on the principle of coordinate transformation

    文摘:根據線路特點,對全站儀坐標導線計算進行研究,提出了一種利用坐標轉換原理直接對全站儀所坐標進行計算
  16. In order to reduce the adverse influence of nlos error to location performance, this algorithm firstly makes initial mobile position estimation by mean tdoa / toa measurements, then estimates nlos error within tdoa / toa measurements by parameters of tip 1 channel model, smoothes and reconstructs tdoa / toa measurements, and finally utilizes two step wls computation. the application of this algorithm under different cellular environments is also discussed and its effectiveness is demonstrated by simulation results. finally, the basic location method, location method implementation, network architecture, signaling protocol and interface, and location procedures of wcdma network mobile location are analyzed

    百臼主回大學槽士扭允生攀幢伍丈第v頁接著,通過對tdo咖a值誤分析,本文提出了一種首先利用tdo咖a值對移動臺位置進行初始估計,並利用tipi通道模型參數估計出thoafl 』 oa值中nlos誤大小,然後對tdo … a值進行滑與重構,再採用兩次wls計算,以降低nlos誤對定位性能不利影響定位精度提高演算,討論了這種演算在蜂窩網路不同環境條件下具體實施方,通過詳細模擬驗證了這種演算有效性。
  17. Abstract : in the way of adjustment with the first and second order term of expanded nonlinear function in consideration and the way of nonlinear adjustment in the fields of nonlinear to do the same adjustment, by comparison of its ' results, stressed on the necessity of constructing theory of adjustment & data processing in the space of nonliear functions

    文摘:用顧及一階泰勒項線性,顧及二階泰勒項線性及非線性函數空間對同一問題進行研究,在比較其效果基礎上論述了建立非線性函數空間與數據處理理論必要性。
  18. The emphasis of the research of the method of time difference measurement is how to suppress noise and interference effectively. the second part is to discuss the capacity for anti - interference of generalized cross correlation ( gcc ) algorithm. the algorithm based on high order cumulant is introduced to solve the problem, which is bad performance to suppress noise of gcc

    基於廣義穩信號模型,論文第二部分討論了廣義互相關( gcc )時演算抗加性噪聲干擾能力,針對其相關噪聲抑制能力問題,提出了基於高階累積演算,對演算適用范圍、計算復雜度等方面進行了分析。
  19. The geoid is used to be regarded as the theoretic global vertical reference. the actual national height references are regional mean sea levels determined by tide gauge station. the difference between them is apparent

    大地水準面作為全球高程理論基準面,在現實工作中,國家或者地區高程系統起算面是利用驗潮方來確定局部均海,兩者之間距是顯而易見
  20. At first, by using the feature that the excess delays of nlos propagation follow the exponential distribution, the los propagation parameters are reconstructed and the toa parameters measured from all bs are preprocessed. then, the ms ' s position is estimated by the los locating algorithm with the preprocessed data. finally, to mitigate the effect of the errors in reconstructed parameters, the estimated results are smoothed

    首先,利用非視距傳播時延服從指數分佈特點,對不同基站一次數據進行預處理,重構視距傳輸參;然後,對處理后數據採用視距定位演算估計移動臺位置;最後,對估計結果進行滑后處理,以減小重構出影響,進一步提高定位精度。
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