pointing error 中文意思是什麼
pointing error
解釋
瞄準誤差-
First, based on phased array antenna ' s mono - pulse goniometry and separate coordinate technology about phase control, the antenna beam pointing error formula, caused by phase quantization error, is derived from linear array and circular array to planar array and cylindrical array
首先以單脈沖相控陣天線測角原理為基本理論出發點，利用相位控制的坐標分離技術，基於線陣、圓形陣等簡單形式的相控陣天線，推導了平面陣、圓柱面陣等相控陣天線由相位量化誤差引起的波束指向誤差公式。 -
In order to increase pointing precision, the error caused by inductosyn and ad2s80a are analyzed as a focus, consequently, high precision inductosyn is used, then current iscompensated and finally the input and output differences are adjusted when
根據衛星軌道姿態，運用球面三角形找出衛星及星下點與目標點之間的關系，建立了指向反射鏡與目標點的角度關系。 -
The parameters that influence the single photon acquisition probability are the transmitter ' s tracking - pointing error, the far - field divergence angle, the link distance between transmitter and receiver and the receiver ' s antenna aperture
得到影響單光子捕獲概率的主要參量是發射機的跟瞄誤差、光束遠場發散角、發射機和接收機的鏈路距離和接收機天線孔徑。 -
The affect of error of antenna pointing in formation satellite insar system to direction picture
系統中天線指向誤差對天線方向圖的影響 -
1550nm is chosen as the work wavelength, cassegrain transmitting - receiving antenna as the optical antenna of the system through the elucidation of how to choose the work wavelength and optical antenna of comm - unication system. the structure and theoretical design parameter of apt sub - system have been presented through the discussion of the optical signal power estimation of apt sub - system, beam divergence angle, pointing error, and error signal extraction. compared with existed optical wireless communication system, the design scheme proves applicable
通過對通信系統工作波長選擇、光學天線選擇等闡述，選擇了1550nm作為系統工作波長、卡塞格倫（ cassegrain ）收發合一天線作為系統光學天線；通過對apt子系統功率測算、束散角和瞄準誤差、誤差提取信號等的討論，給出了apt子系統結構和理論設計指標，並將其與現有的光無線通信系統進行比較，說明該設計方案是可行的。 -
This paper will deeply and systemically analyze the effect of random error on the location accuracy of the artillery target - search and gun - pointing adjustment radar by using simulation method, present an approach to increase the location accuracy
本文以模擬模擬的方法深入系統地分析了隨機誤差對炮位偵察校射雷達定位精度的影響，並提出了提高定位精度的途徑。 -
Robust adaptive beamforming against pointing error
存在指向誤差時的穩健自適應波束形成演算法 -
The purposes of this technical reform are to raise the measurement accuracy of the miss - targets and to improve the system error of the axis, hence increase the space pointing accuracy of satellites. it can offer a measurement means for high accuracy measurement orbit, forecast and method research on the space targets
本項改造提高了脫靶量的測量精度和減小了軸系的系統偏差，從而提高衛星的空間定位精度，為空間目標高精度測軌預報和方法研究提供了測量手段。 -
Influence on performance of interference localization using satellite multiple - beam antenna with pointing error
衛星多波束天線指向誤差對干擾源定位性能的影響 -
As long as the pointing error is no more than 1 or 2 percent of the main mirror ' s diameter, it makes no visible difference
只要誤差在主鏡直徑的百分之一或二以內，目視是覺察不到的。 -
Secondly, the performance of the acousto - optic steering system is deteriorated as a result of the coupling because of nonlinear of quadrant detector and the pointing error introduced by satellite platform vibration. for this problem, this paper introduces the model reference adaptive control system, and presents the perfect model. the model reference adaptive controller is designed to force the output of the acousto - optic steering system following the output of the perfect model to improve the system performance
其次，針對聲光偏轉系統由於器件的非線性造成的耦合和平臺振動造成的指向誤差導致系統性能惡化問題，引入了模型參考自適應控制系統，提出了理想的模型，設計了模型參考自適應控制器，強迫性能惡化的聲光偏轉系統的輸出跟隨理想模型的輸出，使其性能改善，利用超穩定性理論確定自適應參數以保證系統的穩定性。 -
This causes the stack trace to point to the re - throw as the error location, instead of pointing to the
這會使堆棧跟蹤指向再次引發作為錯誤位置，而不是指向
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