precision tuning 中文意思是什麼
precision tuning
解釋
精密調諧-
On improving the precision of micromachined tuning fork gyroscope
音叉電容式微機械陀螺的誤差源分析與消除 -
A niched - penalty approach is used to transform this optimal kinematical design problem to an unconstrained one. a kinematic accuracy comparison of the genetic designed fine - tuning stewart platform with the quasi - newtonian designed one is made. the comparison results have shown that the kinematic accuracy of the genetic designed fine - tuning stewart platform has a much higher accuracy and a compact structure than that of the quasi - newtonian designed one, which guarantees the accomplishment of high precision trajectory tracking and reduces the disturbance of wind to the feed - supporting system
以並聯機器人jacobian矩陣的條件數為優化設計的目標函數，提出了基於遺傳演算法的並聯機器人最優運動學性能結構參數優化設計方法，採用實值遺傳演算法，對精調stewart平臺進行了優化設計，得到了最優運動學的精調stewart平臺結構參數，為實現新一代大射電望遠鏡饋源指向跟蹤系統高精度軌跡跟蹤控制奠定了堅實的基礎。 -
The singularity of the optimal designed fine - tuning stewart platform is analyzed using this new genetic singularity analysis method. the results have shown that the fine - tuning stewart platform is singularity - free, which has laid a solid base for the high precision trajectory tracking of the ska
採用實值遺傳演算法對優化的精調stewart平臺進行了奇異性分析，證明了所設計的精調stewart平臺在工作空間內不會發生奇異。 -
To make full use of the karst formation in guizhou province of china, a large spherical radio telescope array of the arecibo telescope was proposed in china in 1995. therefore, a completely new design project that integrating mechatronics and optics technologies with several large span cables is proposed to drive the feed - supporting system to realize the high precision positioning. for the high requirement of trajectory tracking of the feed - supporting system with large span cables, the feasibility of stewart platform served as a fine - tuning platform and the accomplishment of the high precision tracking are considered in details in this paper
本文依託新一代大射電望遠機電光一體化創新設計方案，針對饋源指向跟蹤系統高精度軌跡跟蹤要求，以精調stewart平臺為研究對象，進行了6自曲度並聯機器人的運動學優化設計、動力學分析與奇異性分析，設計了強魯棒性自抗擾控制器實現高精度軌跡跟蹤控制；提出了新一代大射電望遠鏡饋源指向跟蹤系統軌跡跟蹤獨立控制策略、軌跡規劃策略和控制模型； 50米縮比模型實驗驗證了軌跡跟蹤控制策略與方法的工程有效姓和可行性。 -
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。 -
At the same time we based on the high precision tuning mechanism and computer controlling feed - back technology to design pid controller. so, we finished design of closed - circuit controlling system and achieved the goal of sampling and feedback
同時，本文在高精度的調諧機構的基礎上，利用計算機控制反饋技術，設計了速度式pid控制器，完成了閉環反饋控制系統的設計，實現了輸出參量光信號採集和反饋的目的。 -
A quartz tuning fork gyro uses a double - ended tuning fork to sense the angle rate. it is widely applied in low precision inertia measure field, because of its tiny bulk, low power consumption and high reliability
音叉式石英微陀螺是一種以雙端音叉作為角速度敏感元件的振動式微機械陀螺，它具有體積小、功耗低、可靠性高等優點，在低精度慣性測量領域中有廣泛的應用。 -
By use of a micro - displacement set we realized a very high precision tuning. the experimental results verified the theoretical predication. the realized tuning ranges of the two ofbg are 6. 320nm and 5. 762nm respectively
同時，建立了ofbg調諧測試裝置，實現了ofbg的高精度線性調諧，兩根光柵分別實現調諧范圍6 . 320nm和5 . 762nm ，調諧裝置具有很好的重復性。 -
The tapped line input output block with compact structures and flexible design method, was studied by many designers in the sixties and seventies of last century. but it is because the weak precision, hard tuning and long design period of traditional equivalent circuit method influences the development and wide use of this block
抽頭式輸入輸出單元，以其緊湊的結構形式，靈活的設計方法，早在上世紀六七十年代就被許多人員研究，但是由於等效電路法分析該單元的精度較差、調試難度大、研製周期長等原因，影響了抽頭式微波濾波器的廣泛應用。 -
( 1 ) the got by experiment may contain thermal contributing by electrons and this part is not can be ignored. ( 2 ) got by thermal dynamic experimental data under normal temperature and pressure can be a standard for various theoretical models, but its precision should be analysis carefully before to use. ( 3 ) the method of using the migault ' s formular associate tuning up parameter to express which often be used is not very reasonable
本文第3章就gr neisen物態方程研究了三方面問題：第一方面，在分析了幾種不同定義的gr neisen系數的區別與聯系的基礎上指出， （ 1 ）在沖擊壓縮區，直接依據實驗數據獲得的往往包含不可忽略的電子熱貢獻； （ 2 ）常態熱力學可作為檢驗gr neisen系數理論模型的一個標準，但應注意該實驗測量值的精度（包括由於實際材料中存在的「非三項式物態方程因素」的影響） ，而所總結的在周期表上所具有較明顯的規律性，可作為對該值精確程度判斷的參考； （ 3 ）指出一種以調節參數的migault公式描述的常用方法的基礎與實際情況並不相符。 -
The control object that characterize the phase lag resemble resistance furnace adopt intelligent pid control. the control parameter is self - tuning, not artificially tune off line. furthermore, it heightens the automatization degree of system and the control precision
針對電阻爐這樣的具有滯后特性的控制對象採用了智能pid控制器， pid的控制器的參數由系統自整定，而不是離線後由人工整定，提高了系統的自動化程度，而且控制精度也有很大的提高。 -
We discuss how to select crystal, the type of phase matching and tuning precision, which offers some theoretical references to the design for tunable opo. 2. the device of surelite opo and mirage3000b are analyzed, and some experimental results of the output wave and energy are obtained and discussed
對兩種參量振蕩器sureliteopo和mirage3000b的結構做了剖析，詳細地研究了其中的關鍵技術，對其輸出波形、脈寬以及輸出能量等特性進行了實驗研究，並做了理論分析。
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