高度誤差 的英文怎麼說
中文拼音 [gāodùwùchā]
高度誤差
英文
altitude error- 高 : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 誤 : 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 : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
- 高度 : altitudeheightelevation
- 誤差 : error
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The model of the itr between a1n and cu is built by using the acoustic mismatch model, amm and diffuse mismatch model, dmm. because there is a limit of roughness and temperature in amm and dmm, the data of the theory model that is directly built by amm and dmm is far from the experimental data. accordingly, with dmm and traditionary methods, the mathematics model is posed by contrast and analyses of the experiment data
由於聲失配理論和散聲失配理論對溫度和粗糙度有很嚴格的要求,所以直接建模所得的理論數據與實驗數據有很大的差距,本文採用聲失配理論與傳統研究方法相結合,通過與實驗數據的分析擬合,提出了修正的數學模型,預測誤差有了大幅度的提高。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
該平臺支持直接頻率和時差法兩種較低精度的測量方法以及雙混頻時差法、差拍頻率法和頻差倍增法高精度的簡接測量方法,本文研究了各種測量方法的原理,對各種測量方法的量化誤差作了分析,並給出具體的實例。The gravity analysis is carried out especially for the synthetic fused silica and calcium fluoride used in 193nm lithographic objective as well as the optical elements with structural sizes of ( 200mm ~ ( 300mm. large numbers of analysis data for surface shape error are obtained by using algor finite element analysis software. then these data are plotted into curves and comparison analysis will be carried out, finally the measures and schemes for reducing gravity deformation are proposed
因此,本論文重點對大口徑光學系統在高精度光學鏡頭裝校中,因重力變形進行了詳細的分析研究,特別針對193nm光刻物鏡系統所使用的材料sytheticfusedsilica和caleiumfluoride以及用到的結構尺寸200mm ~ 300mm光學零件進行了重力變形分析,使用algor有限元分析軟體獲得了大量的面形誤差分析數據,然後將這些數據繪成曲線進行對比分析,最後提出了減小重力變形的措施與方案,並進行了實驗,驗證了分析結果是正確的,減小重力變形的方法是有效的。Stop altitude squawk, difference 1000feet
停止高度應答,高度誤差1000英尺。This paper introduces the ball lapping model of spring - loading lap tools for the four shafts ball - lapping machine and explains the small tendence mechanism of the ball roundness error using the effets of cutting high points and homogenization lapping error
摘要從建立四軸球體研磨機彈簧加壓球體研磨的力學模型入手,運用高點切削作用機制和誤差均勻化效應,解釋了球體圓度誤差趨小化研磨機理。In the second chapter, we firstly present a circuit of 8 - bit, 80mhz samples / s thermometer - decoded dac with hierarchical symmetrical switching sequences which will compensate gradient error, on the basis of 8 - bit dac, we then present high frequency, high definition 12 - bit, 80mhz samples / s current - steering dac
第二章:提出了具有梯度誤差補償的高速8位、 80mhz溫度計碼數模轉換器,並在此基礎上進一步提出了高速、高精度12位、 80mhz采樣率電流舵結構數模轉換器。In this paper, by analyzing the measuring of instantaneous speed, it was found that the main error is come from the angular measuring error, and then the method to decrease the error is given and the measurement precision is improved greatly
摘要通過分析柴油機飛輪瞬時轉速的測量誤差,指出角度誤差是飛輪瞬時轉速的主要誤差來源,從而提出了減少誤差的方法,提高了瞬時轉速的測量精度。The mean grey value of ice is 154 using simulation of gauss error function
採用高斯誤差函數擬合,計算得到冰的平均灰度值為154 。This method has four parts : data acquisition, image processing, pixel number extraction and coverage calculation., based on the precision assessment, the error is very small, and it has advantages such as objectivity, consistency and high precision, compared with visual estimation methods
精度評價表明,該方法測定的綠色植被蓋度誤差很小,與目視估測方法比較,它具有客觀、一致和精度高的優點。The pid parameters is transmitted to field equipments by hart data frames to make the systems work smoothly. high precision sensors, if working temperature varies between great ranges, will be affected badly
由於傳感器實際工作環境的溫度變化幅度是很大的,對于高精度的傳感器,溫度誤差已成為提高其性能指標的嚴重障礙。By contrast with some foreign countries, such as usa, uk and so on, those countries had carried out new iso standard for a period of time, so they have developed special implements to measure those five errors, like 6d / lms created in usa. those implements have greatly improved the testing efficiency of machining center ' s geometric accuracy
而國外美英等國先於我國執行iso的新標準,他們已經研製了直線度誤差綜合檢測儀,如美國的api公司研製的6d lms激光干涉儀可同時檢測除傾斜一項的其他四項誤差,使檢測時間從2 ? 3天減為半天,極大地提高了生產效率。Standard method for measurement of volume, rim diameter allowance, hight allowance, weight allowance and size of defects of domestic ceramic ware
日用陶瓷的容積口徑誤差高度誤差重量誤差缺陷尺寸的測定方法After comparing the detecting result and the actual height of metal parts, it showed that the detecting error was in the nature figuration error range of one welding seam
經與實驗獲得的實際金屬結構高度數據對比,得到金屬結構高度檢測的誤差在單道焊縫的自然成形的高度誤差范圍內的結果。Then this paper introduced the main method in multi - sensor integrated navigation - kalman filtering method, and a two - level optimization multi - sensor information fusion structure - combined filter which was originated by carlson and kerr, based on the structure of combined filter, it studied the method of navigating by the multi - sensor navigation system integrated by ins milemeter altimeter and piloting, then analyzed the effect of several filters. simulation proved that when altimeter were integrated, the height error was reduced a lot, and the combined filter is more effective than one - level kalman filter
然後,介紹了組合導航中的關鍵技術? ?卡爾曼濾波方法,以及一種二級最優多傳感器融合結構? ? carlson , kerr等人提出的聯合濾波器,並以聯合濾波器的結構為基礎研究了車載捷聯慣導系統與里程計、氣壓高度計、地標組合導航的方法,比較了幾種組合方法的效果。模擬結果表明,引入氣壓高度計可以有效的減小高度誤差,二級聯合濾波器的效果優於一級結構的卡爾曼濾波器。By use plc, system can complete function as follow : this auto - control system be applicable to the temperature and smoke and dust the deal the variety quick, control the process is difficult with the operation is ; by the temperature controlor can automatically follow to the wet tower " exit temperature, error in the ? 3 v including ; by to automatically spray fog to lower the electric resistance, with the function for full the electricity equipment accepting the dust ; because of adopting feedback closed loop, and come to a to respond to the speed quick, constant temprature control the accuracy is high ; because of adopting the sensors, and make the system circumstance to leak water quick ; system have many control parameter can set exit control temperature and adjust value low limit by key ; can communication with remote computer and have remote control
通過使用plc ,使該自控系統可以完成如下功能:適用於溫度及煙塵量變化快、控制過程難以操作的場合;通過溫控表自動跟蹤增濕塔出口溫度,誤差達到3以內;通過自動噴霧來降低粉塵比電阻,以此充分發揮電收塵器的作用;由於採取了閉環反饋迴路,達到了響應速度快,恆溫控制精度高;通過使用各種檢測傳感器,使得異常情況泄水快;該自控系統具有多套控制參數,增濕塔出口控制溫度及調節閥下限值可通過按鍵設定;可與上位機通訊,具有「現控遠控」功能。5. the methods of temperature - correcting on copper cylinders and copper spheres are discussed. the method of unitive temperature - correcting on plastic pressue - measuring elements is put forward for the first time. large quantities of quasi - dynamic calibration tests in different temperatures are carried out on the dropper - hammer hydraulic dynamic pressure calibration device and the unitive temperature - correcting formula which accords with the traditional correcting method is got
在落錘液壓動標裝置上組織了多批次的銅柱、銅球高低溫準動態校準試驗,探討了建立溫度誤差統一修正公式的可行性,建立了測壓銅球,測壓銅柱符合我國傳統修正方法的溫度統一誤差修正公式。Study on effect of altitude error on position precision of double - star positioning system
高程誤差對雙星定位系統定位精度的影響研究To improve the volumetric accuracy of machine tools, it is necessary that squareness and straightness errors of machine tools are measured, compensated and calibrated
摘要為了改善機床的幾何精度,達到高精度的三維空間定位,必須對它的垂直度誤差與直線度誤差進行測量與校正。The third, according to the analyzing result above the experiments were carried out and it proved that the voltage follow compensator has the characteristics of high accuracy and error indirection
第三,根據上述分析結果,建立了相應的物理實驗環境,並通過物理實驗驗證,電壓跟蹤式補償器具有補償精度高和誤差單相的特點。The linear errors and high order errors of a sensor ( especially piezoresistive sensor ) can be corrected by using this system
該系統可以補償傳感器(特別是硅壓阻傳感器)溫度誤差的線性部分和高階非線性部分。分享友人