The non - linearity errors in the heterodyne interferometry is investigated 外差式激光干涉儀非線性誤差分析研究。
4 . the compensation technology for non - linearity errors in heterodyne interferometry is studied 外差式激光干涉儀非線性誤差補(bǔ)償技術(shù)研究。
A weighing transducer for micro - electronic balance was developed according to the formula and it ' s linearity error is within 0 . 01 % fs 應(yīng)用該公式設(shè)計、研制了一種微型電子秤用傳感器,其非線性度優(yōu)于0 . 01 % fs 。
Through this friendly interface user can measure potentiometer , compute the no - linearity error , show the amending curve timely 用戶可以通過友好的人機(jī)交互界面進(jìn)行電位計自動測量和修刻加工操作、自動計算非線性誤差,并還可以實(shí)時顯示修刻曲線。
A algorithm for using the minimum zone to evaluate the space linearity error based on the principle of coordinate transformation is introduced , and the mathematical model and calculation example are given in this paper 摘要介紹了一種用基于坐標(biāo)變換原理的最小區(qū)域法評定空間直線度誤差的算法,并且給出了數(shù)學(xué)模型和計算實(shí)例。
Finally , do a lot of experiments to make a great improvement on the system and examine the validity of the amending arithmetic . the experiments show that the potentiometer no - linearity error decrease obviously and meet the demand of potentiometer production 實(shí)驗(yàn)表明,修刻后電位計的非線性誤差有明顯減小,證明所提出的修刻算法的正確性,驗(yàn)證了修刻方案和裝置的可行性。
No - linearity error is the leading technical criteria to scale a potentiometer and decides how precisely potentiometer works . in this dissertation , a potentiometer auto - measuring and amending computer control system is given through the analysis of auto - measuring and amending technique , the trimming process and its functional requirement to system 本論文對精密電位計的非線性誤差自動檢測修刻技術(shù)進(jìn)行了詳細(xì)的研究,并結(jié)合電位計修刻工藝的特點(diǎn)及其對系統(tǒng)的功能要求,設(shè)計了基于工控機(jī)的電位計自動修刻設(shè)備。
Least square method is used to eliminate linearity errors of system as result of asymmetric illumination and fitting . averaging method of neighborhood and medium filtering method are used to effectively overcome thermionic noise as result of courses of image transferring , gathering and quantization and so on 對由于光照不均以及安裝等存在的系統(tǒng)線性誤差,采用最小二乘法線性擬合加以消除;對由于圖像采集、傳輸、量化過程中產(chǎn)生的熱電子噪聲,利用了鄰域平均和加權(quán)中值濾波方法來有效地減小。
The approaches of linearity error and roundness error evaluating are presented , among which the least square method is emphasized . the conclusion that only when the little error assumption or little departure assumption are fulfilled the general least square algorithms are the suitable least square solution is provided 重點(diǎn)研究了圓度誤差評定的最小二乘方法,指出只有滿足“小誤差假設(shè)”和“小偏差假設(shè)” ,最小二乘通用算法的評定結(jié)果才是嚴(yán)格意義上的最小二乘解。