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- To solve this problem,a map-matching method is introduced,which uses a digital road map to correct the position error. 應用數字化道路圖的地圖匹配演算法可以解決這一問題。
- Test results show that the DCSS has good dynamic stability and lest position error by using position-velocity closed loop control. 實驗表明,以位置、速度雙閉環控制的 全數字式直流伺服系統具有良好的動態穩定性和很高的定位精度。
- The mathematical model between position error and north seeking error is gotten through error theory and partial derivative principle. 運用誤差理論和偏導數原理,推導出轉位誤差與尋北誤差二者之間的關係模型。
- But the positioning error of INS accumulates along with time. 但慣導定位的定位誤差會隨著時間不斷積累。
- The fuzzification step categorizes the position error into five fuzzy variables, and the slope error into three fuzzy variables. 模糊化步驟把位置誤差分成5個模糊變數,而把斜率誤差分成3個模糊變數。
- It is set up a calculating model of which simplifies workpiece position error calculating within the machine tool's fixture. 得出簡化工件在機床夾具中的定位誤差的計算方法。
- If you were trying to describe how a gun-pointing servomechanism works, you might start out by saying, "Suppose I push down on the gun-barrel to create a position error. 如果你試圖去描述用於火炮瞄準的伺服機制是如何工作的,你可能會從下面這種敘述開始:「假設我把炮管下壓而產生了一個位置錯誤。
- A method of calibrating the sensors' position error, channel gain and phase uncertainties of equispaced linear array without phase delay ambiguity was presented. 摘要針對等距線性陣列天線的陣元位置誤差和通道幅度相位不一致性問題,提出了一種採用單校正源分時多方位的無相位延遲模糊校正方法。
- Element position error,mutual coupling between elements,and the difference in frequency responses of receiver channels influence directly the performance of array radar signal processing. 陣元位置誤差、陣元間互耦的影響、接收機通道的頻率響應的差異都直接影響著雷達陣列信號處理的性能。
- In this paper,artificial neural network is applied to a computer-aided the compensation and the forecasting of position error of CNC system in order to improve its manufacturing accuracy,fine experimental results are obtained. 為了提高機床數控系統的廓形加工精度,本文通過研究人工神經網路的加工誤差預報補償技術以提高計算機數控系統(CNC)的廓形加工精度,並且取得了良好的效果
- Theoretical research and computer simulation show that the new IIL can obtain higher resolution and better resist patterns as well as decrease position error of patterns out of focusing. 理論和計算模擬表明,該方法可以提高圖形對比度和分辨力,並減小因調焦誤差引起的圖形橫向位移誤差,有利於改善抗蝕劑圖形質量。
- The paper analyses difficulties and characteristics in machining bearing hole of canular forked shaft and measuring its position error;and it designs equipment for machining and measuring this hole. 提出在計算機輔助夾具設計中定位參考面的建模方法,並在此基礎上分析了定位件位置誤差對工件幾何精度的影響,為校驗和改進夾具設計提供了依據。
- The influence of random zone position error,width error,interdiffusion and roughness on the efficiency of X-ray zone plates(ZP) was analyzed by summing up the wavelets of every pair of rings. 使用振幅矢量疊加法,通過疊加X射線波帶片每一對環帶對焦點的貢獻,計算和分析了隨機環帶位置誤差、寬度誤差、擴散和粗糙度對波帶片的效率的影響。
- Due to the inherent hysteretic nonlinearity, the giant magnetostrictive actuator (GMA) can cause position error in the open-loop systems, and cause instability in the closed-loop systems. 由於內在的滯回非線性,超磁致伸縮驅動器(GMA) 會在開環系統中引起定位誤差,在閉環系統中造成系統不穩定。
- When machining a gear by using hobbing,the position errors between the tool and workpiece could occur. 滾齒加工中,滾刀與工件的相對位置會產生偏差。
- Numerical analysis and discussions of the position errors due to the joint clearances are given in the thesis. 將數值代入矩陣中,計算出因間隙而偏移的機構終點位置,討論間隙對於機構的位置誤差之影響。
- Setup error is also called patient positioning error, deriving from everyday treatment variation. 設定誤差即病人治療位置誤差;
- The goal function of kinematics is the position error as the sum of the distance at each desired time between end effecter and the precision points, which define the desired motion of the mechanism.2. 運動學優化的目標方程為在各預定時刻未端效應器與設計目標點之間的距離誤差之和。
- The wood is held in position by a clamp. 木頭用鉗夾固定住了。
- SINS/DVL integrated navigation system is usually made use of AUV,but great positioning error comes into being in long-distance voyage. AUV通常採用SINS/DVL組合導航系統導航,然而在大航程時存在很大的定位誤差。