誤差測量環節 的英文怎麼說
中文拼音 [wùchācèliánghuánjié]
誤差測量環節
英文
error measuring element- 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...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 環 : Ⅰ名詞1 (環子) ring; hoop 2 (環節) link 3 (姓氏) a surname Ⅱ動詞(圍繞) surround; encircle;...
- 節 : 節構詞成分。
- 誤差 : error
- 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
- 環節 : 1. (互相關聯的許多事物中的一個) link 2. [動物學] (某些低等動物的環狀結構) segment; 環節動物 annelid; annulate
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Thirdly, an ideal satellite orbit is simulated, and on this foundation, we establish some typical simulation and testing circumstances. lastly, after simulation in the simulation and testing circumstances, we compare the performance of ukf and ekf. and then, based on the outdoor experiment of the vehicle, an analysis and contrast between our simulation results and commercial data process software is carried out, and the conclusion is obtained
首先在第三章提出的目標運動模型的基礎上建立了系統狀態方程;其次簡要分析了衛星導航系統中的各類誤差,建立了基於偽距觀測量的系統觀測模型;第四節利用yuma格式歷書數據模擬了未受攝動影響的衛星軌道,並在此基礎上建立了幾種典型的動態模擬測試環境;第五節為模擬分析和比較,先對ukf演算法和ekf演算法在動態模擬測試環境中進行了模擬比較,然後針對外場試驗,對非線性濾波獲得的定位結果與商業軟體進行了分析比較,並得出結論。Measuring cylinder is used on test bench of fuel injection pump all over the world, so manufacture error, sight error etc make the accuracy degree low. the thesis analyses the problem of fuel measurement system of the test bench of fuel injection pump, and the experiments and designs are done according to the problem, and the type and situation of the test bench of fuel injection pump all over the world is refered to
目前國內外噴油泵試驗臺量油系統普遍採用量筒式計量法,該方法存在量筒的製造誤差、沉積誤差、液面讀數誤差、氣泡誤差、揮發誤差以及測量人員的視覺誤差等,使得測量精度較低、耗時長,已不能滿足對汽車發動機的環保技術要求和節能要求。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差,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平臺,對信號進行時域測量、頻譜分析、小波消噪、遠程傳輸和網路發布等。Secondly, according to these models, the measuring errors of the systems are decomposed into the component errors and traced to their sources, i. e. the units within the measurement system. lastly, accuracy - loss diagnosis of each system is performed based on the decomposing and tracing results of the output errors. the units are diagnosed, which are the main factors of the accuracy loss of the whole system
在實踐上,以兩套實際的測量系統為研究對象,分別對其實際的動態測量誤差進行了建模、分解與溯源,將系統的輸出總誤差追溯到各單項誤差源? ?系統內部各組成單元所產生的誤差;而後,以誤差分解與溯源的結果為依據,分別對兩套系統進行了精度損失診斷,並分析了系統中對總的精度損失影響最大的環節,此結果可為測量系統的設計者提供系統優化設計依據。Including usign coordinate transformation method to deduce the uniform coordinate from the object coordinate to the photo coordinate, then setup the measuring error equation of apsse, this established the theory ground of usign the mont carlo method to analysis the error of apsse. there are errors from every tache of coordinate transform
由於建立機載光電跟蹤測量設備的測量誤差的位置傳遞方程是基於空間坐標變換的基礎上,從中心地平坐標繫到目標坐標系的變換涉及到幾十個環節,而每個環節都有誤差,其誤差的性質和大小直接影響對目標的定位測量。On account of the ccd camera mounted on the spatial robot end possesses rather big random measured error, for this reason, a new model of error that includes random measurement error was rebuilt, and it takes the non - geometric parametric error - backlash of transmission links into consideration
由於空間機器人末端安裝的ccd相機具有較大的隨機測量誤差,因此,重新建立了包含隨機測量噪聲在內的新的誤差模型,它考慮了機器人非幾何參數誤差傳動環節的回差。The adaptive control is adopted to trace the error, and the compensation current is adjusted according to it, so the error will always keep low
在此基礎上,引入了自適應控制的思想,跟蹤誤差的變化而進一步調節補償信號的增益,實現閉環測量,擴大量程。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。Power transformer test is simulanted in test - room, try to prove that online measure of transformer test is feasible. the test results are satisfaction. in the end, there is software design : the instrumented - test - interface is developed ; location computer entering to sample state is the same time, and after the same " log time ", it stops the data sample note. every test signal data keeping in the data note memorizer is at the same time, so it realizes data synchronization collection. some blocking design in the process of software design can apply to the other software
文章的最後,針對變壓器試驗微機測試系統對電流、電壓、功率等變量數據採集的特殊要求,分析了同步誤差的產生原因,給出了同步軟體采樣的無差條件;建立了電壓電流有效值和平均功率測量誤差的數學模型,提供了減小測量誤差的措施;應用「同步軟體采樣技術」 ,不需要增加采樣周期數,不需要硬體同步環節,較好地解決了同步誤差對測量精度的影響。分享友人