漂行誤差 的英文怎麼說

中文拼音 [biāohángchā]
漂行誤差 英文
floating error of mine
  • : 漂動詞[方言] (事情、帳目等落空) fail; end in failure
  • : 行Ⅰ名詞1 (行列) line; row 2 (排行) seniority among brothers and sisters:你行幾? 我行三。where...
  • : Ⅰ名詞(錯誤) mistake; error Ⅱ動詞1 (弄錯) mistake; misunderstand 2 (耽誤) miss 3 (使受損害...
  • : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
  • 誤差 : error
  1. 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測量術的發展、應用現狀、研究熱點及未來發展趨勢的基礎上,簡要介紹了傅立葉變換和相移位相輪廓測量術的基本原理,對兩種測量方法存在的問題及詳細分析和比較;針對位相解包裹錯點的傳播問題,作者通過改變解包裹路徑來提高位相解包裹的正確性;分析討論從解包裹位相( x , y )到再現物體的高度h ( x , y )物理量之間的關系,研究相應的演算法,利用matlab平臺,對實際採集的條紋圖像進處理和輪廓重構,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的移抖動對相移的影響,提出了一種用條紋穩定器穩定干涉條紋,用精密移動平臺使物體和ccd攝像頭同步移動實現等效相移的方法,建立了相應的測量系統,系統的條紋穩定可以達到。
  2. Based on analysis of the iso - rigidity of the gyro assembly, the requirement for making the joints match each other is offered, which has a guiding significance for joints assembly and selection. based on analysis of rigidity and drift error for the dynamically tuned gyro, a cross model including an inner and an outer flexible hinges is established

    在對動力調諧陀螺剛度和分析的基礎上,建立了由內外撓性接頭裝配所形成的十字型鉸鏈模型,並利用偽剛度理論對該模型進了分析,得出了內外撓性接頭兩鉸鏈的相對位置關系對十字型鉸鏈模型的影響曲線。
  3. Taking intercontinental ballistic missiles as objects under research, and based on the analysis of the influence of accelerometer measurement error and gyroscope excursion error on the apparent acceleration, the error transfer model of the inertial system in a midcourse guidance segment for velocity and location is given, and the pure inertial navigation guidance error is computed with the given imu error coefficient deviations

    摘要針對洲際彈道導彈,在分析加速度計測量和陀螺對導彈視加速度影響的基礎上,給出了中制導段慣性系統對速度和位置的傳遞模型,對給定的慣組系數偏了純慣性導航制導計算。
  4. Abstract : the attitude error performance of electrostatic gyro should be understood and the relevant error equations must be set up in order to ensure the navigation precision of esgm. the relation between the navigation errors and the attitude errors of gyro was derived by use of spherical triangle. the simulation results show that the temporal performances of the longitudinal and distance errors which come from the initial alignment errors are periodically variational. they also show that the longitudinal and distance errors resulted from gyro drifts are not convergent in time. thus, the effects of initial alignment errors and gyro drifts can not be neglected and must be estimated and compensated

    文摘:為了保證靜電監控器的導航定位精度,需要了解靜電陀螺的姿態特性,建立相應的方程.本文採用球面三角形原理推導了導航定位與陀螺姿態的關系式.模擬結果表明,由初始定向引起的經度和距離的時間特性是周期變化的;由陀螺移引起的經度和距離是隨時間發散的.因此,初始定向和陀螺移的影響不能忽略,必須對其進估計和補償
  5. In order to improve the quality of the voltage signals, this paper has adopted the scheme of three phases and six organs in signal - generator part, which can eliminate the errors caused by the assembly warp and the zero shift of organs. this paper also has analyzed the distribution and varying rules of the magnetic field in the signal - generator part, then based on the conclusion of the analysis improved the structure of signal - generator, which could completely eliminate the noise signal caused by the roughness of the face on the magnetic steel ring. the improvement not only met the requirement of this study, but established the theory foundation for the super - high precision magnetic encoder in future research

    因此,為提高原始電壓信號的質量,本文採用三相六元件的信號發生方案,通過分處理濾除了由於裝配偏和零點移帶來的信號;本文對編碼器信號發生結構進了磁場分析,依據磁場分析的結論對編碼器常用的信號發生結構進了改進,改進后的結構利用積分原理在理論上能夠完全消除信號中由磁鋼環表面粗糙度引起的信號噪聲,進一步提高了信號質量,此結構不僅滿足了本課題的需要,而且為今後研製超高精度的磁電式編碼器奠定了理論基礎。
  6. At the same time, the method of disposal phase shift of ct by compensation is introduced. then the analysis and statistic of electrical power quality, the control scheme and compensating amount of capacitor for reactive power compensation are analyzed respectively. and in the paper, the control with a / y and the switch with ac contactor and solid state switch is valid measure not only for improving operate level economically and amending electrical power quality but also for avoiding of replacing switch frequently and decrease economic loss

    然後對現有的演算法進了詳細的分析、比較,篩選出既能滿足硬體要求又可降低投資、保證精度、簡化軟體的方案,確定了準同步采樣的方案,並通過對準同步采樣的分析,提出了一種從45開始采樣,從而提高精度的采樣數據處理辦法,同時,對于電流互感器相位移提出了一種補償辦法,接著對裝置中電能質量分析與統計以及無功補償中電容器的補償量、投切原則也作了相應分析,其中對于無功補償採用y混合接線,並利用交流接觸器和固態開關共同投切電容,不但提高了經濟運水平、改善了電能質量,而且有效的避免了頻繁更換開關,減少了經濟損失;最後,設計了裝置的硬體電路並繪制了相應的軟體流程圖。
  7. Specific issues examined are : compensation for the variation of the stator resistance, the offset error of the dc bus voltage, the voltage error generated by the forward voltage drop the dead time of the switches, improvement of the steady state performance, and the speed sensorless control for the pmsm dtc drive system are of major concern in this thesis

    定子電阻變化,直流母線電壓移,開關器件反向相電壓降、逆變器死區時間引起的電壓的補償,提高系統穩態運性能以及永磁同步電機直接轉矩控制的無速度傳感器運方案等問題都是本文研究的重點。轉矩的快速響應是直接轉矩控制演算法的一個卓越的性能。
  8. The time base drift deduced by the change of temperature is discussed particularly and the compensation method of it is analyzed. finally, we also studied frequency band extension under time base distortion condition by simulation. the results show that the compensation of time base distortion can reduce the error of signal and then increase the accuracy of frequency band extension

    首先,介紹時基失真的相關概念及其對測量信號的影響;其次,對時基失真特性測量的不同方法進了理論分析和比較,並對分析信號法進了模擬研究;再次,對時基失真的補償方法進分析和模擬研究;並專門對溫度變化引起的時基移及其補償方法進了簡要分析;最後,對時基失真條件下的頻帶展寬技術的模擬表明時基失真的補償可以減小信號的,因而提高頻帶展寬的精度。
  9. The zero creep and other error source has been analysed. thereafter disposal and error compensation about horizon has been lodged, demonstrated the feasibility by practical application

    對horizon零點移及其他源進了分析,並由此提出了其後置處理與補償方法,並通過模擬驗證了其可性。
  10. The system was simulated in four kinds of conditions. the effect of gyro drift and accelerometer bias on the evaluation error of misalignment angles and attitude error was analyzed

    並且分四種情況對系統進了模擬,分析了加速計零偏和陀螺移對失準角估計和姿態的影響。
  11. Because the ins error equation is unstable, some initial states error will cause error floating and error accumulating, if the filter observations were only position error, kalman filter will converge very slowly, and some states error ( such as yaw error ) will be great. since the milemeter altimeter and piloting could only output position information, this paper put forward a method, firstly estimateing states and then kalman filtering, to improve filtering effect. simulation proved that this method could effectively reduce the system states error, quicken filtering convergence and improve filtering precision

    由於慣導系統( lsins )的方程是發散的,某些初始狀態的會引起移和積累,當觀測量只有位置時,卡爾曼濾波的收斂速度很慢,某些狀態(如方位角)很大,而以上除慣導外的其它導航傳感器直接提供的只是位置信息,為了改善濾波器性能,本文根據里程計等傳感器的特點,提出了首先對狀態做出估計,然後在狀態估計的基礎上,進卡爾曼濾波的方法。
  12. The system error is mainly determined by sensor error and initial alignment error by analyzing the error transfer characteristic of the sins system. after compensating the sensor error, the precision of the whole system almost remains the initial alignment process. it should include of gyroscope and speedmeter to compensate the error

    通過對sins系統的傳播特性分析可以發現,系統的主要由傳感器和初始對準決定,在對傳感器補償之後,整個系統的精度幾乎就保持在初始對準的精度上;另外,在初始對準過程中還包含陀螺和加速度計的測和定標工作,以便進補償。
  13. Different vibration characteristics between the two models are discussed. geometry mismatch in a turbine blade root, which arose in manufacturing process or caused by wearing out during service, leads to contact conditions changed in fir - tree attachments

    汽輪機葉根製造尺寸或運磨損造成的尺寸改變會導致葉根與輪盤接觸狀態變化,進而引起葉片固有頻率發生移,並有可能接近共振頻率而導致葉片事故。
  14. On the basis of deep research of its working principal, basic algorithm and error spread character, the gyro constant drift, acceleration zero error and constant initiation error of static pedestal strapdown inertial navigation system are quantitatively analyzed. furthermore with the medium precision inertial navigation device as the simulation object, we made some mathematical simulation

    詳細研究了捷聯式慣性導航系統的工作原理、基本演算法和傳播特性;對靜基座條件下捷聯慣導系統中陀螺常值移、加速度計常值零位和常值初始條件引起的系統了定量分析;以中等精度的慣性器件構成捷聯慣導系統作為模擬對象,進了數字模擬。
  15. Secondly, introduces the configuration and characteristics of new real - time operating systcm - vxworks and analyzes tomado which was the development environment of vxworks. by analyzing hardware configuraion and substance of inertial navigation, i set up uniform model of the system which involves of five work mannrs and inertial aligrunent of inertial navigation. then the uniform model is validated by computer simulation

    接著,通過對慣性導航系統的硬體結構和慣導系統基本工作原理進分析的基礎上,建立了包括五種工作狀態、初始對準等在內的慣性導航系統的統一數學模型,在此基礎上,對慣性導航系統的統一數學模型進了計算機模擬驗證,分析了慣導系統特性,模擬並驗證了陀螺移和加速度計零位對慣導系統的影響。
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