position error 中文意思是什麼
position error
解釋
點位誤 差-
This paper analyses emphatically the position error and manufacture error of critical - angle prism the position error and aberration of object lens the position error and manufacture error of the polarization beam splitter the position error of the detector, and come out their relations
著重分析了臨界角棱鏡位置誤差與製造誤差；物鏡的位置誤差與像差；偏振分束棱鏡的位置誤差與製造誤差；探測器的位置誤差等對離焦誤差信號的影響，並給出了理論曲線。 -
Virtual axis machine tool ( vamt ) is characterized by the simple structure, high rigidity, large load handling capacity, and non - accumulation of position error. as the supplement of series machine tool ( smt ), vamt has become the focus of research in machine tool, and plentiful research achievements have been acquired in mechanics, kinematics, dynamics, but few in kinematic control
虛擬軸機床具有結構簡單、剛度大、承載能力強、位置誤差不積累等特點，在應用上與串聯機床成互補關系，現已成為機床領域的研究熱點，並在機構學、運動學和動力學研究上取得了大量成果，而對運動控制的研究非常少。 -
Measuring position error of irregular molding box cover with tri - coordinate measuring machine
關節式坐標測量機關節軸晃動導致測量誤差的分析及建模 -
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。 -
When the signal of gps is lost for five minutes, the position error is about 1400 meters, its velocity error is about 15m / s and its attitude angle error is about 10 degree
在gps信號丟失5分鐘時，位置誤差大約為1400米，速度誤差大約為15米/秒，姿態角誤差大約為10度。 -
Position error analysis of drive rod hinges on a kind of 3 - dof parallel machine tools
並聯機床驅動桿鉸鏈位置誤差分析 -
Tape position error
磁帶放音裝置 -
To solve the poor precision problems of dataglove angle outputs, this paper builds human hand kinematic model and fingertip position error model, and gets the precise parameters of human hand model by the parameters identification based on fingertip positions closed loop method
本文針對數據手套關節角度輸出精度低等缺點，建立了人手的運動學模型和各指尖位置的誤差模型。基於指尖位置閉環的方法完成了人手模型的參數識別，提高了人手模型幾何參數的精度，得到了較精確的人手手指指尖位置。 -
Flux position & error in flux magnitude and error in torque are used as fuzzy state variables. fuzzy logic is used for choosing the switching state. a fuzzy logic controller can choose the switching states according to a set of fuzzy rules based on both specialists " experience and knowledge, which improves the response performance of the system effectively during start - up and change in load
作為本文的一個創新點，針對普通的直接轉矩控制在給定轉矩躍變時反應較慢的缺點，提出了一種模糊控制器，把磁鏈位置、磁鏈誤差和轉矩誤差作為模糊輸入變量，應用模糊邏輯來確定逆變器的開關狀態，該模糊控制器根據一套基於專家經驗和知識的模糊規則來選擇開關狀態，從而有效地提高了系統在啟動和負載突變時的響應速度。 -
Wireless localization and tracking is a hot research topic, several theorestic and applied results have been in recent years. this paper addressed two problems : 1. how to mitigate position error caused by non - line - of - sight ( nlos ) propogation when we use range - based tracking algorithm in cellular networks
本文探討了其中的兩個問題: 1 .在跟蹤蜂窩移動通信網路中移動終端的運動軌跡時，如何利用粒子濾波器減弱非直達波傳播對濾波跟蹤演算法精度的顯著影響 -
By using the method of error analysis of mbs, the identification equation of geometric error parameters is derived and according to the condition that the rank of coefficient matrix of error measurement equation group must be full, we can get 18 terms geometric error of 3 - axis nc machine tools and three displacement error and three position error
應用誤差辨識軟體，解得各測量點的十八個誤差參數，即每個運動方向的三個位移誤差和三個位置誤差，再根據實際情況獲得三項垂直度誤差，得到了所有的21項誤差。 -
At the same time, the author gave out the formula to calculate the system position error because the three axis of the simulator are not uprightness each other
本文還分析了系統的機械精度，給出了由於三個框架軸不垂直造成的系統位置誤差計算公式。 -
The finite element modeling of nc machining position error and its measure and compensation
加工位置誤差模型及其測量和補償方法研究 -
Because the ins error equation is unstable, some initial states error will cause error floating and error accumulating, if the filter observations were only position error, kalman filter will converge very slowly, and some states error ( such as yaw error ) will be great. since the milemeter altimeter and piloting could only output position information, this paper put forward a method, firstly estimateing states and then kalman filtering, to improve filtering effect. simulation proved that this method could effectively reduce the system states error, quicken filtering convergence and improve filtering precision
由於慣導系統（ lsins ）的誤差方程是發散的，某些初始狀態的誤差會引起誤差的漂移和積累，當觀測量只有位置誤差時，卡爾曼濾波的收斂速度很慢，某些狀態（如方位角）誤差很大，而以上除慣導外的其它導航傳感器直接提供的只是位置信息，為了改善濾波器性能，本文根據里程計等傳感器的特點，提出了首先對狀態做出估計，然後在狀態估計的基礎上，進行卡爾曼濾波的方法。 -
Fully autonomous layered star identification algorithm, which divides the detected stars to lbs and lds, gives priority to lbs in making star triangle and identification, so can find the matching star quickly. it takes the maximum matching reliability and expanding index at the edge of na to reduce the influence of position error, magnitude error and fake star, so have high identification correct rate. it can be used for full and local sky star identification
全天自主分層星識別演算法，採用分層的方法，以局域亮星為主構造和識別觀測星三角形，減少了待識別的觀測星三角形數量，具有較高的識別速度；採用最大匹配可信度和索引的邊緣擴充方法，可以在一定程度上解決位置誤差、星等誤差和偽星干擾等問題，具有較高的識別準確率；既可以進行全天自主星識別，又可以進行局部星識別。 -
Introduce the development method of an utility type irradiational measure board, and apply it to the work of radiotherapy irradiation, thereby get a ture diagraph data of body position error margin, effectively improve the accuracy of body position in the radiotherapy. it is an effective way to strenghthen the radiotherapy quality management and quality control
介紹一種實用型標尺板的研製方法，並將其應用在放療射野照相工作中，從而得到了擺位誤差的真實測量數據，有效地提高了放療擺位中體位驗證的精度，是加強放療質量管理和質量控制的有效手段。 -
Using the information of digital - map database still can compensate the position error in a scope. among them on the digital map platform, roads message database of harbin city was established which was developed by our self lab. utilization map matching algorithm shows the vehicle track on the correct road
利用數字地圖數據庫的信息還可以在一定范圍內對定位誤差進行修正補償，在我們實驗室自主開發的電子地圖平臺上，以哈爾濱市地圖為模型建立道路信息數據庫，利用地圖匹配演算法將車輛位置顯示在正確的道路上，如果數據庫相當精確，這一技術能改進定位模塊的精度。 -
Auto measuring the position error of proportional spacing circles of part with the dmis programs by cmm
程序實現分度圓位置度的自動測量 -
To determine the shock and position error of an aircraft from supersonic speed to the stall area
全速度范圍內確定飛機氣動激波修正量 -
Moreover, in order to improve laser trim table ' s position accuracy, it reduces laser trim table ' s position error through the method of slope correction
為了提高光刻平臺的定位精度，通過在控制中採用斜率校正法，減小了光刻平臺的定位誤差，解決了光刻平臺的定位精度問題。
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