測平精度 的英文怎麼說

中文拼音 [cèpíngjīngdù]
測平精度 英文
levelling accuracy
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 平 : 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...
  • 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
  1. At present, the check standard of rotating laser has not come into being, and the manufacturers and users still use the traditional i angle method of gradienter which have long - distance, low precision and in the stage of eyeballing

    目前激光掃平儀檢定的專業標準尚未形成，生產廠家對激光掃平儀的檢測方法還在沿用傳統水準儀?角檢測法，檢測的距離大，檢測的精度較低，處於人工目視階段。
  2. Measurement precision contribute to improving the security class and economic of boiler running and automatic level of whole plant. the smart measurement instrument of the boiler ’ s air flow designed in the thesis and the instrument can make the degree of accuracy get to. firstly, the thesis build the “ velocity - area ” method which is on basis of “ log - tchebycheff ” on the analyzing of basic measure method of boiler ’ s air flow. secondly, model86 averaging pitot tube was selected the right model of flow transducer which can pickoff the differential pressure and static pressure. modelc264 which made in setra system corp. u. s. a was selected as ultra low differential pressure transmitter. a good flow of boiler ’ s air was calculated by offsetting pressure and temperature. finally, numeroscope was designed with z80cpu and other chips

    精確的監測有助於提高鍋爐燃燒的安全型、經濟性，也有助於提高電廠的整體自動化水平。本文設計的智能化鍋爐風量測量裝置能夠實現對鍋爐送風的精確測量，精度可達。本文首先研究鍋爐送風矩形大管道測量理論，提出在流來流量測量測點布置基於「對數-切比雪夫」法的速度-面積法。
  3. Being added an anti - phase compensating winding, this device, which is placed between high voltage line and first insulator, makes the synthesized magnetic field in magnetic core reach a dynamic balance, and thus solves the problems from remanence and assures the measurement accuracy

    其漏電流傳感器增加一個反相的補償線圈，使得電流傳感器磁芯內的合成磁場達到動態平衡，解決了由於剩磁而帶來的問題，保證了測量精度。
  4. 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。
  5. The result fully proves that by this kind of supervision technology, not only can the survey precision be inspected accurately and supervision cost be cut down, but also can the equitableness and justness of supervision for dredging projects be guaranteed, and unwanted dispute avoided

    實踐證明，採用這種監理技術，不但能較好地檢測疏浚單位的測量精度，節省監理費用，而且還保證了疏浚工程驗收工作的公正公平，避免了不必要的爭議。
  6. The improvement system is made up of the pressure sensor, flow sensor, displacement sensor, electro - hydraulic proportional flow control valve, power amplifier, data gathering board and computer. the platform can carry out testing the hydraulic parameters, processing the tested data, saving the processed data and drawing, adjusting the pressure automatically

    改造后的測控系統主要由壓力傳感器、流量傳感器、位移傳感器、比例節流閥、功率放大器、數據採集卡和計算機組成。改造后的實驗臺具有自動採集實驗數據、自動處理實驗數據、自動保存實驗數據、自動調節液壓系統負載壓力等功能，大大提高了實驗臺的工作效率、測試精度和智能化水平。
  7. 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，常用的標桿法測量精度和瞬態性較差，接觸式測量的五輪儀法用於田間松軟、不平的地況誤差較大。
  8. Based on rain drop size distribution ( dsd ) data measured in qingdao, guangzhou and xinxiang, the radar reflectivity factor z for spherical rain drops, the radar reflectivity factor zh and differential reflectivity zdr for oblate ellipsoid rain drops have been calculated. the relation of reflectivity and rainfall rate for conventional meteorological radar and the relation of reflectivity, differential reflectivity and rainfall rate for multiparameter radar are regressed, the performance difference of two kinds of radar for measuring rainfall and difference for measuring rainfall in different regions are also discussed

    基於我國青島、廣州和新鄉地區雨滴尺寸分佈數據，計算了球形雨滴雷達反射因子，橢球形雨滴雷達水平極化反射因子和差分反射率，回歸給出了這些地區的常規氣象雷達反射因子與降雨率的經驗關系和多參數雷達水下極化雷達反射因子、差分反射率和降雨率關系，並對其測雨精度和地區差異進行了比較。
  9. In this dissertation, we studied the tcra1101plus total station position system, which introduced the principle and characters of the instrument ' s closed loop tracking system. also we explained the cause of prism ' s position error and brought forward mathematic model to correct, moreover, the good results has been drawn form the expenriments. the kinetic survey system have been realized, which the sampling rate attain more than 5hz and the position precision can be less than 2mm on condition that targeted - point moving slowly at the velocity below 2cm / s. having finished the survey system to examine whether the fine - tuning stewart platform in good status, we have finished mensurating the position reference of the fine - tuning stewart platform and the offset of the prism

    在此基礎上研製了多臺儀器在線控制高頻采樣動態跟蹤測量系統，采樣率大於5hz ，在跟蹤小於2cm / s低速運動目標時，測量精度好於2mm ；完成對饋源二次精調系統的檢測，包括對二次精調平臺位置基準的標定和觀測棱鏡偏心差的測定；設計不同動態測量實驗，對全站儀動態跟蹤的誤差來源和特點進行了分析；從實驗角度，對全站儀的測量時滯及其穩定性進行了測試分析，給出了定量的結果；比較了全站儀和計算機的內部時間系統，發現兩者存在較大差異。
  10. Mae of hourly load prediction reduced to 65. 07kwh and eep reduced to 2. 60 %. this kind of model has not been reported by literature. a cost - minimum model for ice storage system is established and numerical calculation is carried out

    建立了空調逐時負荷的24小時提前預測多點輸出動態模型，更進一步提高了負荷預測的精度，使得逐時負荷預測平均絕對誤差降低到了65 . 07kwh ，期望相對誤差降低到了2 . 60 。
  11. 2. the condition of prs tracking the stronger source between dual sources is given quantitatively, this condition is of great value to designing a real prs. 3

    定量地給出了在一定的置信水平和測角精度的要求下，為分辨出兩點源doa ， prs應滿足的條件。
  12. Finally, a kind of noncoherent - integration monopulse radar angle measuring algorithm based on square amplitude weighting method is developed, the computer simulation proves that this algorithm is prior to the common noncoherent - integration angle measuring method under all kinds of snr conditions

    最後提出一種基於幅度平方加權的單脈沖雷達非相參積累測角演算法，模擬表明在各種信噪比條件下這種方法的測角精度都優于常規的非相參積累測角方法。
  13. Travel time is the key point of system, its measure quality decides the survey precision of the stress. time to digital convertor ( tdc ) was applied to accomplish the precision time interval measurement. at the same time, one transmitter - two receivers probe arrangement and zero - crossing detecting method were also applied to reduce the errors in measurement

    傳播聲時是整個測量系統中的關鍵量，其測量水平決定應力的測量精度，對此本文採用時間-數字轉換器（ timetodigitalconvertor ， tdc ）完成高精度時間間隔測量，在實現過程中又分別採用「單端發射-雙端接收」的探頭布局模式和「過零檢測」手段來降低系統檢測誤差。
  14. With two autocollimations and a big flat mirror, the precision of the parallelization tester can be better evaluated

    利用兩個精度為0 . 1 "的自準直平行光管和一塊平面反射鏡檢測平行度測試儀精度。
  15. 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。
  16. Based on analyzing the error source, a method is proposed in this paper which uses oversampling and average filter to improve the system ’ s stability and accuracy

    通過分析誤差來源，提出了採用過采樣及平均值濾波的方法提高測量精度及穩定性。
  17. Speckle is caused by object ' s micro - structure, with more less - correlated random structure co - interference in the imaging field, the speckle can be depressed greatly

    採用面內多幀平均和動態採集方式可以有效的抑制散斑噪聲，綜合利用這兩種方式可以更好的提高測量精度。
  18. In the first part of this paper, the theory of laser range and dds technology was introduced, the factors of influencing range precision were also analysed. at the same time, put forward in the paper, with using the fpga embedded technology, the wideband and high resolution sin modulating signals can be generated easily, then analysed the noise of the dds ; in the second part, the theory of phase measurement based on fft was analysed. in the phase range system, by using the fft operation, the resolution and sensibility of phase measurement can be enhanced ; then some circuits were designed and come true, also simulated and validated ; in last part, the improvement of the phase range system was brought forward, summarized and expected

    論文首先闡述了激光測距和調制信號源的基本原理，分析了影響測距精度的因素，指出應用dds技術可以實現寬帶、高精度的調制信號輸出，說明了引起dds輸出信號雜散的原因和解決的辦法;同時分析了應用fft運算實現信號相位提取的基本原理及設計方法，採用這種檢相技術，可以極大地提高測相精度與靈敏度;然後提出了基於fpga嵌入式系統的相位式激光測距機的整體設計，並就各部分進行了詳細的分析與設計;接著介紹了激光測距系統的外圍電路和基於quartusii集成軟體平臺的部分硬體電路的設計，並對其中的設計進行了模擬和驗證;最後總結提出了對系統今後的進一步改進和完善的思路。
  19. The mass characteristic parameters of hslrfo include mass, mass center, centroid, lateral misalignment of mass center, rotary inertia, dynamic balance, etc. since the lateral misalignment of mass center is the most important mass characteristic parameter, the demand for the measuring precision of this parameter is very stringent

    高速遠程飛行物體的質量特性參數有質量、質心、形心、質心橫偏量、轉動慣量、動平衡等內容，其中最重要的是質心橫偏量，因此，在測量中，對質心橫偏量的測量精度有著更高的要求。
  20. Tn order to eliminatc the error caused hylight power drift of incident light, we adopt the method of the ration of scattering light to measure the concentration of protein in milk. that is to measure 90 " scattering light intensity and 0 " transmitting light intensity in the light incident plane. the ratio of them is to be used to express measured optical parameter

    由於牛乳蛋白質的測量精度要求很高，為了消除因入射光的光功率漂移而引起的誤差，我們採用散透比法來測量牛乳蛋白質的含量，即在光的入射平面內同時90處的散射光光強is和測量0處的透射光光強it ，用它們的比值來表徵測試牛乳蛋白質含量的光學參量。
分享友人
分享到 Line

分享到臉書