closed angle 中文意思是什麼
closed angle
解釋
銳角-
Drift angle position closed loop control system is achieved with 80c31 as controller, step motor as transact organ and absoluteness coder as measure organ. a large number of dada are obtained in all kinds space circumstance experiments
設計和實現了以80c31作為偏流角控制器，以步進電機為執行元件，以絕對式編碼器作為偏流角測量元件的偏流角位置閉環控制系統。 -
After analysing several kinds of light - weighting structures through ansys, hexagonal speculum structure is confirmed. in the aspect of the controling of speculum, the paper adopts the brushless dc motor which is partial assembled to drive the point speculum and the inductosyn as angle measuring component is selected, the ad2s80a the system is used to get directly angle and angular velocity. double closed - loop speed and position control is designed, as the pid control is the well - developed algorithm, which can achieve stable rotation and precise position control
在指向反射鏡的擺動控制方面，採用低速性能好的分裝式直流力矩電機作為指向反射鏡的驅動電機，並採用感應同步器作為角度測量元件，運用軸角轉換器ad2s80a進行角度和速度的輸出，採用技術成熟的pid控制方案，進行速度和位置雙閉環控制，以實現指向反射鏡轉動速度的平穩性和位置的精確性。 -
A linear filter is adopted in the system to obviate the measurement of angle acceleration and to achieve the closed - loop speed control
系統實現時，構造了一個線性濾波器以避免轉子角加速度的測量，同時實現了轉速的閉環跟蹤。 -
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。 -
Analysis indicates the " low pressure closed reticular flow region " results in the non - equilibrium of pressure along the primary jet ' s orifice. to obtain as large vectoring angle as possible, the optimal ranges of angles, frequencies, velocity amplitudes, and distances from the microjet actuator to the primary jet exit were discussed. the relationship between the vectoring angle of the primary jet and the phase - difference of two adjacent actuators was analyzed
分析了「拉」模型單作動器模式下，微射流作動器的入射角度、驅動頻率、速度幅值及與主射流間的距離對主射流偏轉程度的影響，並確定了作動器工作參數的最佳范圍;分析了「拉」模型雙作動器模式下，不同的相位差對主流偏轉程度的影響。 -
Conical seating at an angle to flow is self aligning, tight and always closed in a no - flow situation. even in vertical ( flow - up ) pipe runs, this valve provides exceptionally tight shutoff
圓錐形閥座與流向具有一定的角度，能夠自行調整，在無流體狀態下能夠始終緊密關閉。甚至在垂直（流向朝上）管道上，這種閥門具有特別緊密地關閉特性。 -
Through small signal stability analysis and transient stability simulation in a typical hvdc system ( epri 36 ), the results show that some characters of closed - loop system on the basis of associated feedback control, such as angle stability, voltage accuracy and small signal stability, are better than those of avr + pss
通過一個典型交直流電力系統（ epri - 36系統）的小干擾穩定計算和暫態模擬表明，關聯測量分散勵磁控制下的閉環系統在功角穩定性、電壓調節精度以及小干擾穩定性方面均優于常規勵磁附加pss 。 -
Near the studied area, the fossil microtine show a sequence from the early pleistocene to the mid - late pleistocene : allophaiomys ( qi ) ? redromys ( q ) ? icrotus ( q2 - i ) - on their molars, the 5th dentine isthmus is5 show a closed trend from broad to narrow and made the salient angle tend to gradual increase. in the area, the 6th dentine isthmus is6 of the microtus show a trend from broad to narrow gradually
在研究區及其附近，更新世以來，田鼠類的演替順序為： allophaiomys ? ? predromys ? ? microtus ，其第5齒峽is5相應的由寬變窄，趨于封閉，使封閉的褶角趨于增多；研究區內microtusoeconomus的第6齒峽is6有逐步變小的趨勢。 -
Piston ring is the important accessory of the engine and turning its contour is the key procedure to ensure the performance of piston ring it has great value in economy and society that we develop the nc machining system for outer circle of piston ring to manufacture the high quality piston ring and to replace the import machine according to piston ring contour data provlded by the cad system ， it can turn the piston ring contour by controlling the displacement of servomechanism which is controlled by the angle of servo motor it uses the theories of velocity closed loop 、 dlsplacement closed loop and feed forward control to improve the control precision of system on the basis of theories of elastic mechanics and mathematics ， the cad system can provide the accurate data required by the nc machine system according to the calculation model and the parameters of piston ring this system integrates the cad cam technology
系統根據活塞環cad系統生成的介面數據，通過伺服電機的轉角位置控制自主研製的高性能微位移進給機構產生給定的位移，以完成活塞環輪廓的仿型加工。系統採用速度、位置閉環控制及前饋控制理論，以提高系統的控制精度。活塞環cad系統以彈性力學和數學方法為基礎，根據常用的計算模型與活塞環參數自動生成數控加工系統所需的精確的介面數據，實現cad / cam一體化。 -
The closed angle produced in the welding process of two round pipelines with the same diameter can result in velocity discontinuity, which makes it sharp for such a welding process to be realized, and so the arc transition correct method is given
當焊接兩圓管的直徑相同時，施焊過程中會產生尖角，導致速度不連續，而難以在焊接過程中實現，由此確定採用圓弧過渡的修正方法。 -
The design had friend human - computer interfaces to monitor the field situation, realized the high precision temperature control with the pid - fuzzy control method, realized the high precision control for motor combining plc with closed - loop control and tension - monitor on - line of variable frequency drives, avoid the hard border and overlapping yarn by four grades stroke modification and changing winding angle incessantly
利用友好的人機交互界面，實現強大的監控管理功能；利用pid模糊控制實現熱箱溫度的精確控制；採用plc結合變頻器閉環控制和在線張力監測實現電機的高精度控制；通過四級動程修正和持續改變卷繞角，防止硬邊和疊絲。 -
Results compared with those before operation, the postoperative best corrected visual acuity and anterior chamber depth were improved, the intraocular pressure was reduced, and the closed chamber angle was partially reopened
結果術后最佳矯正視力明顯好於術前，前房深度較術前加深，眼壓低於術前，部分前房角開放。 -
Objective to investigate the therapeutic effect of phacoemulsification for primary closed - angle glaucoma complicated with cataract
摘要目的探討超聲乳化白內障吸除術對原發性閉角型青光眼的療效。 -
Methods phacoemulsification with posterior chamber foldable intraocular lens implantation was performed in 55 cases ( 58 eyes ) of acute or chronic primary closed - angle glaucoma complicated with cataract
方法收集我院2000 ~ 2004年部分慢性及急性閉角型青光眼患者55例（ 58眼） ，合併晶狀體渾濁，行超聲乳化白內障吸除聯合折疊式人工晶體植入術。 -
Conclusion phacoemulsification with posterior chamber foldable intraocular lens implantation not only improves the visual acuity but also controls the intraocular pressure, and can be a valuable method for treating primary closed - angle glaucoma with cataract
結論超聲乳化吸除術即可提高視力，又可控制眼壓，避免青光眼發作，可有效治療合併白內障的閉角型青光眼。 -
In addition to the normal control of angle - executor ， the controller combines the measuring of temperature or pressures with the control of the angle - executer to form two closed - loop
除了完成對角驅動器的一般控制外，還把對角驅動器的控制和對溫度或壓力的測量結合起來，形成兩個閉環控制迴路。 -
From the angle of the agent ' s cost which comes from the principal - agent between the investor and fund manager, the article analyses the reason of the discount of closed - end fund of our country
從投資者和基金經理之間委託代理產生的代理成本的角度，分析了我國封閉式基金折價的原因。 -
Note : when valve is full opened, the angle is 0, but full closed, the angle is 90
注：蝶閥全開時為0 ，全關時為90 。
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