shift angle 中文意思是什麼

shift angle 解釋
位差角
  • shift : vt 1 變動;改變;搬移;移動;轉移;變換;替換;更換。2 推卸;轉嫁。3 消除;撤除。4 【語言學】變換...
  • angle : n 【英史】盎格魯人〈cf Angles〉。n 1 角,隅,角落;棱,嬗角。2 【數學】角,角位,角的度數。3 【機...
  1. This shift of barycenter is proportional to the tilt angle and is a function of the tank area and tank spacing.

    重心的偏移量與傾斜角成正比,並且是容器面積和容器之間距離的函數。
  2. The relative phase shift between s - and p - light is a function of the incident angle, and changes highly with the incident angle in the vicinity of the critical angle

    S光與p光的相對相位差是入射角的函數,當入射角在臨界角附近變化時,相對相位差會隨著入射角高靈敏度變化。
  3. 1 m 0. 5, the phase - shifted angle 6 is controlled in term of sine law which makes the magnitude of resonant voltage track a reference sine voltage, and the resonant voltage is rectified, filtered, inverted and then the better sine - voltage output is obtained, theoretical analysis and experimental results show that for the resistive load and inductive load, the switches of leading leg of the phase - shift - controlled circuit are always turned on at zvs, and ones of lagging leg are turned on at zvs ( < 0 ) or turned off at zcs ( ( > 0 ), moreover, all switches in the low - frequency inverter are always turned on and off at zvs, the measured circuit efficiency for rated load reaches up to 88 %

    從功率單向流動角度出發,提出了一種lcc諧振型恆頻移相單相高頻鏈逆變電路拓撲,在調制系數0 . 1 m 0 . 5情況下,控制移相角按正弦規律變化,使諧振電壓脈沖列的幅值追蹤參考正弦電壓信號,經過整流、濾波、低頻逆變,從而獲得正弦度較好的輸出電壓。理論分析和實驗結果證明對于阻性負載或阻感性負載,移相全橋具有超前橋臂零電壓開通,滯后橋臂或者零電壓開通( _ 0 )或者零電流關斷( _ 0 )的軟開關特性,而低頻逆變器的各個開關均實現零電壓條件下的開通與關斷。
  4. Beam deflection produces boresight error ( bse ) which is defined as angle shift between viewing direction and true direction. boresight error slope ( bses ) is defined as the ratio of angle shift to the tracing angle of the antenna

    波束偏移的主要後果是產生瞄準誤差,使目標的視在位置與真實位置有一個角度差,這個角度差就是天線罩的瞄準誤差。
  5. In the terms of interpolation, the image reconstructed from nearest interpolation or linear interpolation has good edge but serious noise ; reconstruction from 4 * 4cubic interpolation or three b - spline or three - order lagrange interpolations has better local character. 2 x 2cubic interpolations which has both better edge and local character is the ideal interpolation, the following is the basic principle during reconstruction : ( 1 ) the more width of interpolation, the more number of summation and the more order of interpolation polynomial, the higher of density resolution ; ( 2 ) the more of interpolation polynomial and width of interpolation, the more of reconstruction time simultaneously, aimed at eliminating the effects of noise contained in projection data, in this paper, author analysis cause and effects of common artifacts. importantly, discusses convolution back - projection reconstruction algorithm with a shift axis of rotation has been derived for correcting images that acquired with a divergence axis of rotation using the fan beam geometry with an angle - equaled detector

    在ct圖像重建時,選擇有限帶寬窗有較好的空間解析度,三角形窗有較好的密度解析度,選擇餘弦窗則使得空間解析度與密度解析度的折衷;從窗函數的頻譜角度來講,可以用於圖像重建的一個良好的卷積窗函數應該具備以下條件: ( ? )小的3db帶寬b ,即最小的主瓣寬度; ( ? )最小的旁瓣最大峰值a ; ( ? )最大的旁瓣峰值衰減速度d ;就內插函數而言,臨近點內插與線性內插重建圖像噪聲大,但有較好的邊緣與細節; 4 4三次內插、三次b -樣條與四次拉格朗日多項式內插圖像平滑,局部特性較好。
  6. For missile, either strategical or tractical, the most important thing is to attack the target accurately. this depends upon the accurate location of the larget by the missile radar. for protecting radar antenna from external environment and for air - dynamical requirement, a radome is used to enclose the antenna. but the radome interferes in the orientation of the antenna, degradaties its perfor - mance, decreases the power reaching the target, and most importantly, it produces so called boresight error ( bse ) that is, makes the antenna shows a slightly different direction of the target from its true direction, the boresight error is define as the angle shifted, and the boresight error slope ( bses ) is defined as the ratio of angle shift to the tracing angle of the radar antenna. to predict the boresight error and boresight error slope is an unavoiding chief task in designing radome and in its operation

    在戰略和戰術雷達制導導彈中,一項重要的工作就是對目標的準確跟蹤,這取決于導彈雷達對目標的準確定位。為了保護雷達天線不受外界環境的影響,天線罩被應用進來,但天線罩在保護天線不受外界惡劣環境影響的同時對天線電磁輻射產生某些干擾,使天線的電氣性能降低,影響天線的功率傳輸,更重要的是產生瞄準誤差。它使目標的視在位置與真實位置有一個角度差,這個角度差就是天線罩的瞄準誤差。
  7. Due to the complexity of the structure and control of cycloconverter - type three - phase hf link inverter for soft - switching based on phase - shift - controlled full - bridge mode, a simple and optimized vvvf control strategy is proposed. this control strategy includes : produced pwm by space voltage vector ( svm ) and equivalent carrier frequency fe = 1 / te are introduced into the pdm control of the cycloconverter ; softened equivalent pwm wave is generated at the notches of hf voltage pulses ; the harmonious control between regulating pulse width by phase - shifted angle and regulating voltage of equivalent pwm is to minimize the harmonics content of output voltage of the inverter

    西安理工大學博士學位論文針對這種前級移相全橋軟開關周波變流型三相高頻鏈逆變器結構和控制的復雜性,提出了一種實現簡單而整體優化的vvvf控制策略:將空間電壓矢量產生p姍的方法svm和等效載波頻率fe = 1 / te引入到周波變流器的pdm控制;按高頻電壓脈沖前後沿軟化等效p翎波;用移相調節高頻脈沖寬度和等效p姍調壓協調控制逆變器輸出電壓,在滿足輸出電壓條件下使諧波最小。
  8. In view of characteristics of seismic data of gobi - sand dune areas, this paper, through various data - processing means such as quality control, high - pass filltering, dip angle filltering, field static correction, surface consistency deconvolution, precise velocity analysis, denoising before stack, multiple iterative operation of residual static correction, denoising after stack and modification after shift, has raised the data quality of seismic profiles in low signal - to - noise ratio areas and managed to form the seismic data - processing technique for such complex areas as gobi, foreland and dune

    摘要針對戈壁、沙丘地區地震資料的特點,通過對原始資料進行質量控制、高通濾波、傾角濾波、野外靜校正、地表一致性反褶積、精細速度分析、疊前去噪、剩餘靜校正多次迭代、疊後去噪和偏後修飾等處理,提高了低信噪比地區地震剖面的資料質量,摸索出了一套戈壁、山前、沙丘等復雜地區地震資料處理技術。
  9. Since early 1990 ' s, industrial production has migrated to the era of knowledge - oriented economy, and information industry has gradually dominated the modern economy. with the objective to fast gain market share and achieve high return rate, global manufactures start to shift from mono - production to hybrid - production with multi - angle operation. this shift has made many enterprises feel that the existing mrpii cannot satisfy their demand for highly efficient production and operation by taking advantage of all market resources, and that they are in great need of a mis, which can well support and manage the hybrid manufacturing environment and satisfy the enterprises " demand for multi - angle operation

    90年代初期,工業生產開始向知識經濟時代過渡,信息產業日益成為現代經濟的主導,全球製造業為了達到快速占領市場、取得高回報率的目標,也紛紛從單一的生產方式向混合型生產發展,以實現多角化經營,這使得許多企業都感到原有的mrp已無法滿足自己利用一切市場資源,進行快速高效生產的經營需求,迫切需要一種能很好地支持和管理混合製造環境,滿足企業多角化經營需求的企業管理信息系統, erp系統正是在這種情況下成了業界的重點研究對象。
  10. The previous discussion addressed the theory required to compute the relative phase shift between adjacent radiating elements in order to position the beam of an array - type antenna to a specific angle off of the antenna boresight axis

    前面的討論中給出了計算使陣列天線的波束相對天線視軸線偏移一個給定角度所需的相鄰單元間相對相移的理論。
  11. Angle shift can reduce in light coupling efficiency. therefore, the angle shift is an important factor for light coupling efficiency when pws is corrected by lh for laser diode packaging

    角度的偏移也會影響到激光二極體的光通量效率,所以在利用激光錘校正激光二極體封裝焊後偏移的過程,要充分考慮橫向角度的偏移。
  12. Small - angle measurement based on total internal reflection effect is a high - precision method. the s - and p - polarized components in reflection beam has different phase shift when total reflection occurs, which could be used to measure the incident angle

    光學內反射法測量光束微小偏轉角是一種高精度的測角方法,它主要是利用光束在發生全反射時反射光中的s光和p光產生的相位差不同這一特點進行測角的。
  13. Blade angle shift

    葉片轉位
  14. The harmonic standard of 18kv side ( sfc ) and sookv are deduced from principle of design of chinese harmonic standard. in chapter three six - pulse and twelve - pulse sfc and the relation of control angle and phase - shift angle of the converter are analyzed. harmonics model of pumped storage power station are established by saber simulation program

    第二章通過分析國內外諧波限制標準,闡述了國家諧波限制指標的制定原則及推導;針對大型抽水蓄能電站及sfc裝置的特殊性,對其諧波限制指標進行討論,討論推導出了sfc裝置18kv側和抽水蓄能電站網側500kv的諧波限制指標。
  15. The exclusive konica minolta anti - shake system uses an extremely sensitive angle - speed sensor and a smooth impact drive mechanism ( sidm ) to precisely shift the ccd to compensate for camera movement on both the vertical and horizontal axis. unlike after - the - fact, digital correction systems, it does not degrade image quality. and unlike lens - mounted optical systems, it provides effective camera - shake protection with a wide range of telephoto, wide - angle, macro and standard lenses

    Dynax7d的ccd移位機制有別於一般只能在拍攝后才作出補償的數碼修正系統,它並不會降低影像質素;且能兼容任何的dynax鏡頭,包括遠攝鏡、廣角鏡、微距鏡及標準鏡頭,比只安裝在鏡頭光學系統的防手震功能提供更全面的保護。
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