測量網平差 的英文怎麼說

中文拼音 [liángwǎngpíngchā]
測量網平差 英文
network 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
  • : Ⅰ名詞1 (捕魚捉鳥的器具) net 2 (像網的東西) thing which looks like a net 3 (像網一樣的組織或...
  • : 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...
  • 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
  1. 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的理論依據和方法,並以張河灣抽水蓄能電站施工控制為例進行了比較計算。
  2. 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數據支持的獨立模型法和光束法區域的數學模型。並以紅星數字攝影系統中的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的結論。
  3. 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

    摘要針對燒結法氧化鋁生產過程中生料漿配料工藝的特點,根據物料衡的原理建立機理模型,作為生料漿質的主規律模型;針對堿液成分波動大且難以實時檢的問題,對堿液成分含建立了神經路預模型,並和機理模型進行嵌套集成;利用灰色理論對機理模型的偏數據進行信息挖掘,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。
  4. Based on an analysis of the sources of errors in airborne gravity measurements, an error model is studied to constructed mathematically which can characterize the change of systematic errors, with which the network adjustment is carried out and the model parameters are determined simultaneously. and finally, the compensation of systematic errors is realized

    航空重力就是在分析、總結航空重力的主要誤源基礎上,研究建立反映航空重力觀系統誤變化規律的誤模型,根據交叉點不符值條件,求解各線上重力觀值系統誤改正數,然後對各線上所有重力觀值進行改正(補償) 。
  5. Two practical applications prove their efficiency. 3. using knowledge of adjustment with additional systematic parameters, based on an analysis of the sources of errors in airborne gravity measurements, an error model is studied to constructed mathematically which can characterize the change of systematic errors and with which three kinds of new crossover adjustment models are presented

    3 、根據附加系統參數的理論,在分析、總結航空重力的主要誤源基礎上,研究建立了反映航空重力系統誤變化規律的誤模型,並根據三種不同的情況建立了相應的模型。
  6. As we know, the ill - conditioning problem is present in data processing of geodesy networks adjustment, gps ( global positioning system ) fast orientation, geodesy inversion and distortional inspecting networks. moreover, its damage is serious

    病態性在常規大地測量網平差、 gps快速定位、大地反演以及變形監的數據處理中是大存在的,其危害性十分嚴重。
  7. Generally, the ill - conditioning problem not only exists in global positioning system ( gps ) data processing, surveying adjustment, observation deformation analysis and geodesy inversion, etc, but also its ill effects are very serious

    在gps數據處理、工程式控制制、形變觀分析、大地反演等數據處理領域,系統的病態性問題是常見的,並且病態性的危害作用非常嚴重。
  8. Therefore, aiming at the existent static and dynamic error of fcs sensor, the sensor characteristic compensation subunit is designed in the environment of labview using vi technique. the sensor signal disposal platform is also developed to realize the time domain measurement, frequency domain analysis, long - distance transfer and network release, etc. firstly, the static characteristic and nonlinear error of the sensor are analyzed

    為此,本文針對飛控系統傳感器存在的靜態和動態誤,利用虛擬儀器技術在labview環境下設計了傳感器性能補償環節,開發了傳感器信號處理臺,對信號進行時域、頻譜分析、小波消噪、遠程傳輸和路發布等。
  9. We write the program which used for fighting errors in absolute positioning. we also write the program which used for linear combinating in absolute positioning. from analyzing for the measurement of outer, we can conclude that we can use m estimation to estimate parameter in gps absolute positioning. lt has application value. using it, we can obstain the stable positioning result and remove the outer. in this paper, we calculate the data which from the baseline space of the gps calibration space. we also draw some conclusion using broadcast ephemeredes and smoothing pseudoranges. the positionging precision is in 1 - 2 meter

    編制了gps絕對定位中抗估計程序和應用線性組合進行單點定位的程序。通過對粗級的分析,得出在gps觀存在粗時, m估計是有其應用價值的,它使定位結果較為穩定,減弱和剔除了粗的影響。應用線性組合程序對gps綜合檢定場數據基線點進行計算,得出用廣播星歷和滑后的偽距可以給出較好的結果,點位精度在1 ? 2米。
  10. This thesis analyzed various error resources in gps surveying and advanced appropriate correction measures ; it introduced theory and method that estimate parameter in reliability study, and then, deduced adjustment mathematic model of gps network ; based on analyzing characteristics of reliability study of gps network and outlier analysis, it carried profoundly out study on issue about reliability of gps network, deduced and summarized target of reliability of gps network, including redundant observation component of gps baseline vector and inside & outside reliability index, advanced a theory about reliability of gps network based on correlative analysis, and summarized methods that improve reliability of gps network ; it worked out a software of reliability analysis about gps observation, which made reliability analysis automatic and convenient

    論文分析了gps中的各種誤來源,提出了相應的改正措施;介紹了可靠性研究中參數估計的理論和方法,進而推導出gps的數學模型;在分析了gps可靠性研究和粗分析特點的基礎上,對gps控制可靠性問題進行了深入的研究,推導總結出了gps可靠性指標,包括gps基線向的多餘觀、內部可靠性和外部可靠性指標,提出了基於相關分析的gps控制可靠性理論,總結出了提高gps控制可靠性的措施;編制出了gps觀數據可靠性分析軟體,使可靠性分析自動方便。
  11. The network adjustment is one of key techniques for airborne gravimetry, it is also an important component in this paper

    航空重力是航空重力的關鍵技術之一,這也是本文的主要內容。
  12. 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的理論與方法及相關內容進行研究,並得出若干初步結論: 1 、結合航空重力的實際情況,提出了兩種實用的交叉點搜索方法,即跳躍搜索法和圖形輔助搜索法。
  13. Traditional inertial mechanized - platform uses velocities to damp the system attitude to improve the precision of attitude, when the system acceleration is small. referring to the idea, this paper designeda damp kalman filter in strap - down attitude heading reference system ( ahrs ). the new method makes use of 3 - d accelerometer ' s measurements to estimate the system attitude, which is measured to compensate attitude errors. because the acceleration affected the precision of fiher directly, the fuzzy adaptive system was presented. the fuzzy logic inputs are three accelerations and the output is to control the measurement noise covariance matrix. simulations and experimental results prove that the damp algorithm can damp most of schuler oscillation and foucauh oscillation, so that to assure the filter convergence and efficiently improve the precision of strap - down ahrs

    在系統機動性不強的情況下,傳統的臺內阻尼演算法將系統本身的速度信息通過阻尼路加到系統中,達到提高姿態角精度的目的.將這種臺內阻尼的思想引入到捷聯慣性航姿系統中,在系統加速度較小的情況下,利用加速度計的輸出估計系統姿態角,通過卡爾曼濾波的形式補償系統姿態誤.由於加速度的大小直接影響濾波器精度,本文設計了模糊自適應卡爾曼濾波演算法,根據三軸加速度計的輸出調整內阻尼陣,從而避免了濾波器的發散.模擬和實驗驗證,內阻尼演算法可明顯抑制舒勒周期振蕩和傅科周期振蕩,避免了系統姿態漂移,有效提高了捷聯慣性航姿系統的精度
  14. Firstly, the square sum of estimate error is only half of it " s original square sum of measurement data, the precision of result is highly enhanced. secondly, the precise estimate data takes place of bad data. thirdly, this method estimate some data that the power system needs but the measure system do not give

    從估計結果來看,一是在不良數據不計在內的情況下,估計值的誤方和僅是原始數據誤方和的一半左右,在準確性上有較大的提高;二是用準確的估計值代替了不良數據;三是準確地估計出了一部分電調度工作需要,而又沒有進行傳送的數據。
  15. Design of object - oriented survey adjustment software and its online service

    面向對象的軟體設計與路化應用
  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值誤的分析,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誤的大小,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的的定位精度提高演算法,討論了這種演算法在蜂窩路不同環境條件下的具體實施方法,通過詳細模擬驗證了這種演算法的有效性。
  17. With the aim to study the fishing variations between the single - trap set net and the double - trap set net, catch per unit effort ( cpue ) and seasonal index derived from monthly landings at two fixed shore - nets along the coast of tang - ao in northeastern taiwan were examined for the last 10 years from 1975 to 1984

    摘要為究明改良型定置(雙落)與傳統型定置(單落)之漁獲效率及漁期異性,乃以東澳新協發定置漁場型改良前後各5年之魚種別歷月漁獲統計資料加以檢解析,結果如次: ( 1 )型改良后的總均單位努力漁獲較改良前成長3倍有餘。
  18. The experimental results show that the effect of ib is much larger than that of the noise on estimating ionospheic delay, and ib can cause ionospheric delay measurements to include systematic errors of the order of several meters. therefore, one must significantly take notice of ib and remove its negative effect, and should not casually consider ib as part of noise whenever gps data are used to fit ionospheric model or to directly calculate ionospheric delay. ( 3 ) stability of ib is studied with a refined method for separating it from ionospheric delay using multi - day gps phase - smoothed code data

    算例表明,新方法通過採用均去噪分離方法后處理相位丞于g陀的電官唇監剝及延遲改正工論與方法的研究碼數據,求出儀器偏並對需要實時處理儀器偏的觀數據進行預報改止,直接利用觀值確定電離層延遲,待估參數少、能消除儀器偏的大部分影響,具有較好的精度,可作為waas及其他gps路系統確定電離層延遲的可行的參考方案。
  19. Three characteristic features, such as average velocity of sound, deviation coefficient of sound velocity, and deviation coefficient of amplitude are extracted from four kinds of testing data which are sound velocity, amplitude, frequency and waveform in this paper. fuzzy analysis and artificial neural network are combined to form an intelligent system with similar functions to human brain to classify grc, aerated concrete, hollow brick, solid brick and concrete block. the accuracy of this system is up to 95 % in field tests

    由超聲脈沖法獲得4種檢信息聲速、波幅、頻率和波形,從中提取3個特徵均聲速、聲速的離系數和波幅的離系數,利用模糊分析方法和人工神經路相結合對grc 、加氣混凝土、空心磚、實心磚、砌塊5種墻體材料進行種類識別,形成一個智能化的、具有類似人腦功能的系統.經現場實證明,判別的準確率達95 %以上。
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