計算機誤差 的英文怎麼說

中文拼音 [suànchā]
計算機誤差 英文
computer error
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
  • : machineengine
  • : 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...
  • 計算機 : computer; calculator; calculating machine; computing machinery; electronic wizard; processor; pro...
  • 計算 : 1 (求得未知數) count; compute; calculate; reckon; enumerate 2 (考慮; 籌劃) consideration; pla...
  • 誤差 : error
  1. Image coordinate and galvanometer pendular angle are kept in the computer according to the f9 field lens characteristic, enter pupil excursion and f6 characteristic error are ignored, that the image of laser scanning point move acceding to unlinearity relation is deduced theoretically. for deducing the distortion, error compensation is considered in the software

    像點坐標與振鏡擺角按f物鏡特性的線性關系存儲在,在忽略了入瞳漂移和f特性后,從理論上推導出二維垂直振鏡分佈中激光束掃描點的像點按照復雜的非線性關系運動,為了減少幾何畸變,在軟體設中給出補償。
  2. It is pointed out that the image resolution is in proportion to the size of the ccd chip and in inverse proportion to the recording distance

    從理論上分析了產生這些的原因,同時作了模擬與數值分析。
  3. Abstract : in fourier transform profilometry, because of the nonlinear relationship between the irradiant incident upon a ccd dete ctor andthe voltage it outputs, it will cause phase evaluation errors. here, we ex plain the errorsource by theoretical deducing, then make a simulation. at last, a method to decrease thiserror is put forward

    文摘:在傅里葉變換輪廓術中,由於ccd探測器光電響應的非線性,將在測量中引入高次項,從而對相位的求解造成較大,通過理論的推導定性地解釋了的來由,並用進行了模擬,最後提出了減小的方法。
  4. He was still so little - known that even with his world championship achievement here at the olympics, computer statistics erroneously listed him as having done badly competing in two women s events, the uneven bars and the balance beam

    即使是奧運會的冠軍,他的名氣仍然很小.地把他列為在高低杠、平衡木這兩項女子項目中表現很的選手
  5. In this system, the movement of the step - electromotor is controlled by computer, and then the dial pointer is drove by the step - electromotor. at the same time, these images of the analog instrument are took by high precision ccd video, and then these images will be processed by the computer, using some image - processing algorithms such as image segmentations, threshold identification, image binarization, areas labeling, dial center - point identification, useful areas identification & abstracting, and areas thinning, etc. followed this, the dial pointer of the “ circle ” is able to be located. at last, the dial pointer position will be recognized by the computer

    本系統由控制步進電動的運動,進而驅動指針式儀表表針的運動,並且通過高精度ccd攝像實時獲取表盤圖像數據,同時進行表盤圖像的相關處理,包括圖像分割,閾值確定,圖像二值化,區域標記演法,圓心擬合,有效區域識別提取,區域細化等,最終快速識別出表盤指針所處位置;最後,根據國家指針式儀表類檢定規程所制定的演出該儀表的相關,檢定指針式儀表的各種精度,通過這些數據判斷該儀表是否合格,列印該儀表的檢定結果報表。
  6. 4. the thrust measurement device was calibrated, and the accuracy was 2 % fs. at the same time the signal of thrust measurement was input to the computer. e - type chromel - constantan thermocouple was used to measure the temperature of mpt, and the accuracy was 5 % fs. the vacuum measurement was realized by using zdf - 5427m vacuometer, and the accuracy was 3 % fs

    ( 4 )對推力測量系統進行了標定並實現了採集,推力測量系統最大相對為2 fs ;溫度測量目前還只限於對mpt諧振腔壁溫的測量,使用e型鎳鉻?康銅熱電偶即可較容易實現,其測量精度為5 fs ;真空測量採用zdf - 5427m微型復合真空,其由熱偶和熱陰極電離復合而成,該真空測量控制精度為3 fs 。
  7. In hardware designing, the feasibility to use a / d acquisition board, signal conditioning board and the relay output board which are more professional at present to construct the hardware of the computer control system was explored, the algorithm pid was used to advance the respond to error and stability of the whole system, through selecting proper a / d, d / a, di / do board cards, a special computer control system was constructed. in software designing, the language borland c + + was

    在硬體設上,探索採用目前較為專業化的a / d轉換卡、信號調理板和繼電器輸出板構成控制系統硬體結構的可行性,並採用pid控制以提高系統對的響應和整個系統的穩定性,通過選用適當的a / d 、 d / a 、 di / do等板卡,構成一個很有特色的控制系統。
  8. Combining with the modem electronics and computer technology, the calibration data are processed. and then the calibration result is displayed and printed. so that to calibration efficiency is improved ; man - made error is eliminated ; the calibration accuracy is enhanced

    論文採用專門開發的專用扭矩傳感器,結合現代電子技術和技術,將檢定結果進行數據處理,然後顯示並列印出檢定結果,目的是提高檢定速度,而且消除人為讀數,提高檢定準確度。
  9. Based on the principle analysis of the vehicle driving wandering and the computer simulation validation, the vehicle driving wandering caused by the variation of these parameters such as camber angle, toe angle, caster moment arm, scrub radius, parallelism between front axle and rear axle, is analyzed and discussed

    摘要通過對汽車行駛跑偏的理分析,並應用模擬進行驗證,對由於尺寸所引起的外傾角、前束角、主銷拖距、主銷偏置距、前後軸平行度等參數的變化對汽車行駛跑偏的影響進行深入的分析和探討。
  10. In addition, the beamforming techniques for cdma systems are discussed emphatically. the algorithm based on code filtering is deduced in detail theoretically, and the performances such as convergence and bit error rate ( ber ) are simulated. meanwhile, we improve a decision - projected algorithm based on least - mean - square ( lms ) error

    論文重點討論了cdma系統的波束形成技術,在理論上詳盡地推導了基於擴頻碼濾波的波束形成演法,對其收斂性、碼率等進行了模擬;針對基於最小均方( lms )的一種判決映射演法進行了改進。
  11. This paper first begin with the connotation of virtual instrument technology, study and discuss the criterion and the working theory of usb deeply. on the principle of usb1. 1criterion, using usb interface chip usbn9604 and low consumption mirochip c8051f231, we designed the available interface of usb bus and its controlling software, turn the communicating function based usb bus between computer and testing device. second based on the developed interface of usb bus, using microchip pic16c62 and a mount of relays, we designed the multiswitching scanner and its controlling software to complete the funtion of accesses swithing in testing system. third calling the api function inside the windows using vb programming language, communicat with the impelling program of selected hid, achieve the function of testing instrument with usb interface, complete the development of upside software faced testing. at last, based on the deep studying of pcb testing method, used the developed multiswithing scanner and software faced testing, combinated with necessary testing instrument, we constructed the pcb testing system and analized the testing result simply

    論文首先從虛擬儀器的技術內涵出發,深入研究和討論了通用串列總線usb規范及工作原理,並依據usb1 . 1規范,採用usb介面晶元usbn9604和低功耗微處理器c8051f231設開發了通用的usb總線介面及其控制固件,實現了通用與測試設備之間基於usb總線的通信功能;其次,在所開發的usb總線介面的基礎上,使用微處理器pic16c62和多路繼電器開關,設開發出實現測試系統中測試通道切換功能的多路通道掃描器及其控制固件;再次,採用vb語言編程,調用windows內部api函數,與選定hid類驅動程序進行通信,實現usb總線介面測試儀器功能,完成面向測試的上層軟體開發;最後,在深入研究印刷電路板測試方法的基礎上,利用已開發的多路通道掃描器和面向測試軟體,結合必要測試儀器組建印刷電路板測試系統,並對測試結果進行了簡要的分析。
  12. In the paper, with system energy balance method and heat conductive equations , on tne basis of short time heat transfer modeling established the long time modeling, considering heat interference in thermal well group. this paper used the finit element method for element division and computer analysis, and provided the operation temperature figure. acquired computation values agreed well with experimental results, the most difference between them was 5. 13 %

    本文採用系統能量平衡結合熱傳導方程,在淺埋套管式換熱器短期傳熱模型基礎上建立了長期傳熱模型,並考慮了管群熱干擾對模型的影響。並運用有限單元法軟體編程進行離散和分析,得出模擬溫度場,其模擬值與實測的均值基本相符,兩者最大小於5 . 13 % ,表明該模型具有一定的合理性和實用意義。
  13. The detection of interest points is the basis of kinds of computer vision applications, such as : camera calibration, 3d reconstruction, image matching, video retrieval, motion estimation, etc. in this paper, three impersonal criteria : delocalization, false - detection rate, and repeatability are presented to evaluate the performance of an interest points detection algorithm

    興趣點檢測是許多視覺應用的基礎,如:攝像定標、三維重建、圖像匹配、視頻檢索、運動估等。本文首先給出了一個評價興趣點檢測演法性能的客觀標準,這個標準包括以下三個準則:點位置偏檢率及重復度。
  14. At present most methods employ digital computations and certain correction techniques that minimize instrumental errors.

    目前大多數方法是採用電子,同時配合一定的校正技術,以減少儀器
  15. Adding momentum item while correcting weight and limiting range of input value reduce error and improve diagnosis correctness greatly. while normalizing the input value, a new way is put forward that normalization is performed item by item according to its sort. in this way error training can avoid going into the flat field that is caused by existing of 0 or 1 of the input value

    本文首先分析了故障診斷和神經網路的基本理論,並在此基礎上提出了神經網路對于變壓器故障診斷系統的適用性;文中將bp神經網路演法用實現;並針對其本身存在的一些缺點提出了一系列改進措施,通過在修正權值的時候增加動量項,並且限制輸入值范圍來減小、提高系統的診斷正確率;在對輸入數據進行歸一化處理的時候,採取按類逐項歸一化的方法,避免了輸入數據出現0或者1而使訓練進入平坦區。
  16. Firstly, the mathematical method, wavelet transform of random error processing and kalman filtering algorithm of system error estimation, is designated ; the process of development of wavelet transform and its present research is recommended ; and, the definition and development situation of real - time data processing and post - flight data processing of trajectory measurement data is summarized briefly

    首先指出了應用的數學方法,即處理隨的小波變換方法和估系統的kalman濾波演法;介紹了小波變換方法的發展過程和國內外的研究現狀;綜述了彈道測量數據的實時數據處理和事後數據處理的概念和發展狀況。
  17. With the thorough research on these and computer ability increasing quickly, people are paying more and more attention to relational numerical study. the mostly discussion is how to numerical simulate, concering error estimate in long - time, the existence of approximate attractor, well - posedness of solution and numerical solution and dimension estimate and so on, now there are much study [ 5 ], [ 15 ]. spectral method is important numerical method, but it is very hard so that research is a less

    隨著對它研究的深入和能力的迅速提高,與之相關的數值研究也越來越被人們關注,這方面討論的主要是對原系統如何進行數值模擬的問題,涉及到大時間,近似吸引子的存在性,穩定性,收斂性及其維數估等諸多問題,目前已有很多工作。
  18. Transformed the six - bar guide - bar mechanism realizing linear displacement in automatic instruments into a basic rotating guide - bar mechanism, established the mathematical model of velocity approaching constant by the classical approximate synthesis theory and the modern error theory, discussedthe influences of the existent region of main mechanismic parameters on kinematic and dynamic properties, analysed the theoretical transmission ratio error, advances systematic, complete steps and methods for dimensional synthesis of this mechanism with computer aided design

    將自動化儀表中實現線性輸出的六桿導桿構轉化為基礎轉動導桿構,應用經典的構近似綜合理論與現代的理論,建立了速度逼近常數的數學模型,討論了主要構參數存在區域及對運動、動力性能的影響,分析了傳動比理論,提出了系統完整的輔助尺度綜合的步驟與方法。
  19. Equations of mesh, shorting contact line, undercutting limit line, meshing limit lines and the existence conditions, angle between the direction of relative speed and the direction of contact line, induced normal curvature about every point on the contact line are established. moreover, the paper also theoretically analyzed the error of the grinded gear surface. on the basis of the theory, the computer program is worked out to automatically produce the contact line and the boundary curves of mesh. analysis of meshing circs under different parameters can be done so that we can gain the best process condition

    首先對漸開面二次包絡理論進行了深入的探討,推導出了兩次嚙合的嚙合方程式、瞬時接觸線方程式、根切界限線方程式、嚙合界限線的方程式及其存在條件,相對運動速度方向與接觸線方向的夾角及接觸線上各點的誘導法曲率;此外,還對磨齒后工件的齒面進行了理論分析;並在理論基礎上編制了相應的程序,自動生成接觸線族及嚙合界限線,對不同參數條件下的嚙合情況進行分析,可以使工藝條件達到最佳狀態;最後研究了磨齒裝置,設了磨齒的傳動系統。
  20. The hardware circuit of the master control system with the intelsosl as the cpu, the master control software withmcs - 51 collection language and error correction software with c language in the outside computer are designed

    以8031為cpu的主控制系統硬體電路。採用mcs ? 51匯編語言的主控制軟體和c語言上級計算機誤差修正軟體。
分享友人