指向器 的英文怎麼說

中文拼音 [zhǐxiàng]
指向器 英文
direct indicator
  • : 指構詞成分。
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 指向 : directing; sensing; sense of orientation
  1. A radio receiver and directional antenna used as a system to determine the angular direction of incoming radio signals

    無線方探測一種無線電接收和天線系統,用來確定收到的無線電信號的角方
  2. 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

    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反射鏡的驅動電機,並採用感應同步作為角度測量元件,運用軸角轉換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,以實現反射鏡轉動速度的平穩性和位置的精確性。
  3. Request prices within the range luminous signs, sign plates of acrylic glass and additionally on advertising - plates, acrylic glass processing, letter book as well as further on plates can be enquired with breyer gmbh by email

    是一家知名的、誠信的生產商和服務商,該公司提供新型的、專門的產品,例如字母、活字、鉛字,數字印刷,交通導設施,路線、路標、路牌,銘牌,絲網印刷,廣告商品,廣告銘牌,廣告板。
  4. For a heap, a row locator is a pointer to the row

    對于堆,行定位行的針。
  5. The machine ' s moored at one end, points into the direction of the oncoming waves

    一端被固定,並波傳播來的方
  6. First, it was taken that a discuss about the effects of geometry parameters of each piezocrystal on direction parameters ( main lobe width, side lobe amplitude, elimination of grating lobes ), amplitude of ultrasonic pressure, element viberation pattern, mutual radiation among elements, efficient test regions, ability to keep accurate and near - field distance and so on. based on the direction of ultrasonic field in ulpa deduced by ourselves. in addition, on the base of integrating all kinds of factors, it was put forward that the principle and method for optimized design of geometry parameters of piezocrystals in ulpa transducer, and its design programme and interface were compiled

    首先在推導超聲相控線陣換能聲場的性的基礎上,就各個晶片幾何參數對標(主瓣寬度、旁瓣幅度、消除柵瓣) 、聲壓幅值、陣元振動模式、陣元間互輻射、有效檢測區域、精確控制能力、近場長度等方面的影響進行了論述,並在綜合各方面影響的基礎上,提出了晶片幾何參數優化設計的原則和方法,編寫了設計程序和界面。
  7. General specifications of marine rate - of - turn indicators

    船用航變化率通用技術條件
  8. Extend a finger to press the lever down to shift into higher gears, and uncurl a finger or two from the bar to bat the lever upwards to shift into smaller gears

    伸出手下壓剎把,於是變速氣上加檔,用一個或兩個手上撬剎把,變速下變,把鏈條挪到較小的飛片上(大小飛皆應如此) 。
  9. Once correct flow rate setting has been established, slide memory screw counter - clockwise towards closed side of indicator plate until memory stop ring hits indicator plate

    一旦確定正確的流量設置,則將記憶螺絲朝著板的關閉位置逆時針方旋轉,直到記憶止動環觸到板為止。
  10. Road vehicles - direction - of - motion stereotypes for automotive hand controls

    道路車輛.汽車手控裝置的轉
  11. This paper investigates the pressure sensitivity of an interferometric fiber - optic hydrophone element with a concentric mandrel including an enhanced sensitivity layer based on the theory of elastic mechanics and finite element method ( fem ) and then investigates its harmonic frequency and vertical directional property using fem, and verifies all the results derived from theoretic analysis at last

    本文分別基於彈性力學的理論和有限元的方法對含彈性增敏層的同軸干涉型光纖水聽基元的聲壓靈敏度進行研究,並基於有限元的方法對其諧振頻率和垂直性進行分析,最後用實驗對各項分析結果進行了驗證。
  12. 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跟蹤系統高精度軌跡跟蹤控制奠定了堅實的基礎。
  13. A large planar microphone array, which consists of 111 microphones, was successfully applied to obtain a two - dimensional mapping of the sound sources on a landing aircraft. the focus of study in this paper is on the landing gear noise source. the spectra, directivities and sound pressure levels of flap side - edge noise of 7 narrow - board commercial aircraft and 7 wide - board commercial aircraft are presented. it is found that the landing gear noise spectrum is broadband with some single tones in some cases. the directivity of the total sound pressure level of a landing gear noise resembles that of a horizontal dipole. the level differences between the various aircraft landing gears are larger than those expected from the airspeed differences. it is thus expected that the louder noise emission of the landing gears can be reduced by redesigning

    應用由111個傳聲組成的平面傳聲陣列對當前流行的民用客機進場著陸過程中的機體噪聲源進行了實驗測量,本文對七架窄體客機和七架寬體客機的起落架噪聲進行了分析,得到了起落架噪聲的頻譜特性、特性和聲級變化.研究發現,起落架噪聲的頻譜是由寬頻隨機噪聲與一些較為明顯的單音噪聲源組成,起落架噪聲的性類似於一個水平放置的偶極子.不同飛機起落架噪聲的聲級相差較大,這說明可以通過重新結構設計降低起落架噪聲。
  14. This line sets an http proxy for the soap client, pointing it to port 8888 on the local machine

    這一行為soap請求設置了一個http代理,將其本地機的埠8888 。
  15. For sound pickup, acoustic processing aims at the design of transducers or transducer arrays to achieve a durable directionality ( beam steering and width control ) as well as noise resistance

    對于拾音,聲學處理的目標是設計耐用的性(束調整和寬度控制)及抗噪聲換能或換能陣列。
  16. In linux, all the segment registers point to the same range of segment addresses - in other words, each uses same set of linear addresses

    在linux中,所有的段寄存相同的段地址范圍換言之,每個段寄存都使用相同的線性地址。
  17. Golden pocket - watch case with meissen porcelain plate decorated with the canaletto view on dresden and the goddes saxonia, river god points to the ruins of the church of our lady " frauenkirche

    金懷表外殼帶麥森瓷,圖案為德累斯頓河邊景色,薩克森女神及河神的聖母大教堂廢墟
  18. Magnetic compass is one of directional navigation instrument in ship fitting, the deviation of magnetic compass will influence the navigational safety of ship

    摘要磁羅經是船舶裝備的主要性航海儀之一,磁羅經自差的大小將直接影響船舶的航行安全。
  19. 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。
  20. Complete manipulation and access to scalar and complex types including dynamic allocation of pointer types

    包含指向器類型動態分配在內的標量和復合類型完全處理及接入;
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