extended precision 中文意思是什麼
extended precision
解釋
擴增精確度-
It can be used not only to change the fire precision of the base bleed projectile, but also to improve the effect of reduction drag and expansion range. the calculating model of the secondary expansive pressure of the burning gas is constructed by means of analysis of the experimental resuits, it has been confirmed that the new base bleed unit can be designed, with the secondary expansive principle of the burning gas pressure. the engineering project of a hybrid base - bleed - rocket high - level efficient extended - range projectile is designed, with the secondary expansive principle of the burning gas pressure, the feasibility and the true worth of its engineering applications is validated in theory
本文提出了底排燃氣壓力不隨外部壓力變化，既可改善底部彈射擊精度又可提高減阻效果的二次擴張原理，建立了底排燃氣二次擴張壓力的計算模型，並通過採用二次擴張原理的新型底排裝置與傳統底排裝置的對比試驗，驗證了新型底排裝置結構實現的可行性；完成了基於底排燃氣二次擴張高效增程原理的底排?火箭復合高效增程彈方案設計及其有關計算，從理論上驗證了其工程應用的可行性和實際價值。 -
In addition, we have an availability of cad designing, cnc machines center manufacture and tri - coordinates measuring in the process of mold manufacturing. our molds have feature with high precision, extended service life, short lead time, competitive cost, prompt betimes and excellent after service
公司現擁有自主研發並注冊成功國際發明專利的高效節能環保安全型模具開合模抽插芯與螺紋轉動脫模同步機構，該裝置已在全國同行業內成為第一品牌。 -
Featuring large dirt loading capacity, high flow rate, extended service and precision filtration, cppm150 series can be broadly used in e - coating, paint filtration, industrial process water treatment, drinking water purification applications
Cppm150系列熔噴濾芯具有容納雜質能力高，流量大，服務壽命長和過濾精度高等特點，在電泳漆過濾，油漆過濾，工業循環水處理以及飲用水凈化等方面可以得到廣泛的應用。 -
To identify the model parameters of controlled esvrst system on line, the recursive extended least square with variety forgetting factor is used, which makes the control system possess anti - disturb ability obviously and unchangeable precision of stochastic waveform reappearance
本文提出了用變遺忘因子的增廣最小二乘遞推演算法在線識別電液伺服汽車道路模擬試驗臺被控系統的模型參數，使控制系統在實現波形再現時具有顯著的抗干擾能力和穩定的波形再現精度。 -
The new adrc technique was concluded from the related references in recent years, and the adrc theory was systemically introduced, which included tracking - differentiator ( td ), extended state observer ( eso ), nonlinear pid, nonlinear feedback ( nf ) and active disturbance rejection controller ( adrc ), and etc. the author first designs a pd attitude control system, indicating : using pd attitude control, the time of small satellite gesture capture is long and the precision of control is low
從近幾年有關文獻中總結了自抗擾控制新技術，系統介紹了自抗擾控制理論，其中包括跟蹤微分器（ td ） 、擴張狀態觀測器（ eso ） 、非線性pid 、非線性反饋（ nf ）和自抗擾控制器（ adrc ）等。設計了主動磁控小衛星pd姿態控制系統。指出採用pd姿態控制，微小衛星姿態捕獲時間較長，姿態控制精度較低。 -
Toothing of chain wheels for use with extended - pitch precision roller chains as specified in din 8181 ; profile dimensions
按din 8181規定用於長鏈節滾子鏈的鏈輪齒連接.齒廓尺 -
Based on extended kalman filter ( ekf ) algorithm, an traditional attitude determination scheme using star sensors and gyros was studied, and proved not able to achieve the required precision. so a new idea called instrument - in - loop was presented what using the attitude information contained in the payload ' s data for the control loop. the simulation proved that the instrument - in - loop method can greatly improve the precision of attitude determination with low cost
建立了svom衛星各種姿態敏感器的測量模型，研究了基於推廣卡爾曼濾波演算法的「星敏感器+光纖陀螺」定姿方案，指出了其無法滿足svom衛星的定姿精度要求，並提出了instrument - in - loop的思想，即利用衛星有效載荷測量數據中蘊含的高精度姿態信息來濾波定姿，從而在避免使用昂貴的星敏感器的同時大大提高了系統的定姿精度。 -
Many external function modules are extended based on the precision measurement such as the sd card, real - time clock, lcd and so on, these parts enrich the system functions, give the users convenience, make the instrument suitable in many occasion where high precision temperature measurement is required
儀器在實現精密測量的基礎上擴展了sd卡，實時時鐘，液晶顯示屏等外部功能模塊，豐富了系統功能，方便了用戶使用，使該儀器廣泛適用於對溫度需要高精度測量的場合。 -
Extended precision floating point
浮點擴增精確度 -
In order to improve its performance, extended precision techniques and a high - efficiency implementation scheme of geigle algorithm are employed
為了提高性能，本文引入了nlms演算法的擴展精度實現和geigle演算法的高效實現。 -
Stopwatch tool for time measuring. contains a counter - up, a counter - down and a reminder. centiseconds precision for the counter - up and extended capabilities
用來計時的秒錶工具，包括一個計時器，一個倒計時器和一個提醒功能。正計時器可以精確到厘秒並附帶其它延展功能。 -
The multiresolution method is extended and applied to random vibration control system, thus a multiresolution random vibration control algorithm is created, which provides a satisfied solution to the poor control precision problem at low frequency that was pointed out and remained unsettled for many years. the control algorithm has been successfully implemented on dactron ' s shaker control system, showing great improvement in low frequency control precision, with a little more computation resource consumed. high resolution octave analysis is another successful application of multiresolution spectrum estimation theory
在多抽樣率信號處理理論和多分辨譜估計理論的基礎上，本文進而將多解析度思想推廣到隨機振動控制理論中，提出了多分辨隨機振動控制演算法，解決了振動控制界多年來懸而未決的低頻控制精度問題，並在dactron公司laser ~ （ tm ）和comet ~ （ tm ）等多種振動控制產品中得到了成功的應用，在計算量增加不大的前提下取得了令人滿意的控制效果。 -
( 2 ) a method of regarding the target speed constraints as additional measures and addsing it to measure equation is presented, the constraints intensity is decided by noise variance. it can improve the location precision of the modified gain extended kalman filter
2給出一種把運動目標（敵艦艇）的航速約束當作增加的測量值加入到測量方程的方法，約束的強度由約束條件的噪聲方差確定，可提高修正增益推廣卡爾曼濾波定位演算法的定位精度。 -
The factors include ultrasonic wave frequence, condition temperature, ultrasonic converter instrinisic system error, hareware extended time, electricity noise and sonic noise in the spot, city power defmcient pressure and exceeded pressure, city power peak and pour. we adopt the following compensation schemes of error in the system. about ultrasonic wave frequence ' s effect to measurement precision, we can choose appropriate frequence according to the measured distance
在空氣和液壓缸中影響測距精度的主要因素包括：超聲波的頻率、環境溫度、超聲換能器本身的系統誤差（即探頭固定誤差） 、硬體時間延遲、工作現場的電噪聲和聲噪聲、市電的過壓、介壓噪聲以及市電的尖峰和浪涌噪聲，在本系統中採取了以下幾種誤差的補償方案： ?對于超聲波的頻率對測量精度的影響，只能根據測距的距離選擇合適的超聲頻率。 -
A state space model for parts of non - linear oscillation systems is put forward, and the concealed analytical solution for the systems is deduced. a numerical calculation method is presented and the calculation precision is improved greatly through using iterative method. finally the presented numerical method is extended to solve differential equations with complex stiffness matrix
導出了一類非線性振動系統的狀態空間模型，在此模型中給出了非線性振動系統的隱式解析解，提出了相應的數值計算方法，並利用迭代法有效地提高了計算精度，最後將該數值方法推廣應用到復剛度振動方程的數值求解計算中。 -
The major research works are divided into five sections, including warship bearings - only tracking maneuver research, warship bearings - only tracking research, multi - warships passive data association research, multi - warships passive location research and the engineering implementation of bearings - only passive location systems. the detailed research works are outlined as follows : ( 1 ) a method of evasion factor matrix is presented, which can add the possible patrol zone of targets ( enemy ' s warships ) according to intelligence, and the land and island information provided by electronic chart to the modified gain extended kalman filter, and modifies state equation. it can improve the location precision of the modified gain extended kalman filter
研究內容共分五個方面，分別是單艦純方位無源定位機動研究、單艦純方位無源定位跟蹤研究、多艦無源數據關聯研究、多艦純方位無源定位研究以及艦艇純方位無源定位系統的工程實現，主要完成了如下的工作： 1提出一種規避因子矩陣的方法，把根據情報獲得的目標（敵艦艇）可能活動區域，以及電子海圖提供的陸地島礁信息加入修正增益推廣卡爾曼濾波器中，對目標狀態方程進行修正處理，可提高修正增益推廣卡爾曼濾波定位演算法的定位精度。
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