radar direction 中文意思是什麼
radar direction
解釋
雷達方向-
The conventional sphere model of earth and circle model of orbit are discarded, and the ellipsoid model and the ellipse model are selected for further research, which achieves a method to determine the target position through the antenna pointing direction. and the spaceborne sar system design and simulation software is brought forth. this software accomplishes sar system coefficients design for antenna area, pulse repetition frequency, signal bandwidth, downlink data rate, radar transmitter power and satellite platform yaw steering
本文從星載雷達的星地幾何關系入手，舍棄傳統星載合成孔徑雷達研究中的球地球模型和圓軌道模型，研究了在地球橢球模型和橢圓軌道模型下由雷達天線確定目標坐標的方法，並在此基礎上研製了星載合成孔徑雷達系統設計與模擬軟體，完成雷達系統天線尺寸、脈沖重復頻率、信號帶寬、雷達信號數據率、雷達發射功率、衛星平臺的偏航牽引等幾個方面的系統參數設計以及雷達多普勒特性、雷達系統模糊、雷達定位及精度的分析，最後完成雷達回波信號的模擬。 -
The numerical simulation equations of the border curves in term of and as well as the matching rules and the frequency dependence of microwave electromagnetic parameters of a broad - band homogeneous absorbing coating with a finite value of reflection loss are available. these results pointed out the direction to develop rams ". according to the radar - absorbing model, the optimized design of rams with thin - layer, light - weight, broadband and strong - absorbing is available by the simple genetic algorithms, which can effectively conduct the research work of rams to the detail. small but completely, the electromagnetic parameter ' s databases of rams that based on actual microwave absorbers have been set up, the object function has been constructed which conform to the involved goals, the adaptive coding measure is taken which extends the coding length dynamically adapting to the condition of the number of actual absorbers or the precision of thickness and absorber - volume - percentage, the decoding technique is initiated which satisfies light - weight and strong - absorbing as well as thin - layer and broadband by adopting of tracing variable restricting conditions dynamically to control total thickness. when decoding, the variable restricting conditions of thickness are dynamically traced, so gain the radar absorbing coatings of light - weight multiple - layer single - ingredient. similary, of thickness and absorber - volume - percentage, of light - weight multiple - layer multiple - ingredient. also, the rams ' demand to radar - absorb performance as frequency is met making use of the penalty function
作為遺傳演算法的具體實施：根據本實驗室近來研製的吸波材料，建立了吸波材料的相關數據庫；構造了能真實體現「薄、輕、寬、強」優化目標的目標函數；根據材料的實際數量以及塗層厚度精度要求、吸收劑體積分數精度要求，建立了能動態擴展相應碼長的自適應編碼方法；首創了通過動態跟蹤變量的約束條件來控制塗層總厚度的解碼技術，以此實現了在不弱化寬頻、高強的吸波性能目標的同時，兼顧到薄層、輕質的使用性能要求；在解碼時通過動態跟蹤厚度變量的約束條件，實現了多層單組分吸波塗層對重量輕的要求；通過動態跟蹤厚度變量的約束條件和吸收劑體積分數的約束條件，實現了多層多組分吸波塗層對重量輕的要求；使用權重系數變化法，實現了吸波塗層的分頻段吸波性能要求。 -
Airthmetic of video display on airborne radar in steady north direction
機載雷達正北穩定下視頻顯示演算法 -
Because the adjustment of antenna beam direction is in a very small range, so the effection on antenna sidelobe and beamwidth can be omitted, that is to say, it will not make any effection on other performances of the radar system
由於對天線波束指向的調整在很小的范圍內，故對天線的副瓣及波瓣寬度指標的影響可忽略，從而不會影響到雷達系統的基他性能。 -
Exploitation of high resolution radar techniques has always been the direction of radar research and development on both military and civil applications
提高雷達的距離分辨力一直是雷達技術研究與發展的方向。 -
The text introduces the theory of the radar antenna " s scan wave by adopting the method of using wave width to describe antenna radiate direction fig
本文介紹了雷達天線的掃描波束理論，採用了用波束寬度描述天線輻射方向圖的方法。 -
The predictive function control is one of the most novel direction in this area, and it applies in the fast - processes initially, such as robot ' s arm control and radar tracking control, now it applies also in the slow - processes, such as fitful reaction temperature control, etc. the theory and application of the predictive control are studied in this paper
而預測函數控制是預測控制領域中最新的研究方向之一，近年來，預測函數控制的應用已從最初的快速過程，如工業機器人的手臂控制、雷達跟蹤控制等發展到慢速過程，如間歇反應過程的溫度跟蹤控制等，而且，在國內的應用也已呈逐步發展之趨勢。 -
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。 -
Radar follows the balloons to learn the speed and direction of high - altitude winds
然後，用雷達跟蹤氣球就可以得到有關高空風風速和風向的數據。 -
This paper introduces several methods retrieving wind direction from hf radar echo doppler spectrum and analyses the feature of those methods
本論文介紹了現有的從高頻雷達回波多普勒譜中提取風向的幾種方法，分析了這幾種方法的不足之處。 -
To receive energy transmitted in a steered beam by any of the three scanning methods, the applied frequency, time, or phase relationships are maintained at each element, which has the effect of making the radar sensitive to energy from the direction of transmission
仍然以每個單元接收通過三種掃描方法? ?頻率，時間，相位關系控制波束發射的能量，這使雷達對發射方向的能量敏感。 -
High - resolution multi - source direction finding is always a hot research area in array signal processing. the breakthrough of this technique is greatly meaningful in many research fields such as sonar, radar, communication, biomedical engineering, geology and so on
陣列處理的高分辨技術一直是國內外十分關注的研究熱點，其中高分辨多目標定向技術是國內外集中力量研究的重點，該項技術的突破對聲納、雷達、地質勘探、生物醫學工程及水中兵器均有重要意義。 -
Operations guide : cs and actually somewhat similar, upper right a radar map, to tell you which direction visual excitement while there, infinite ammunition, visual excitement while targeting only tried to shoot, it shot up to date, to be careful of is, as long as it is encountered, you freezing
操作指南：其實和cs有點似，右上角有個雷達地圖，告訴你哪個方向會出現人偶，彈藥無限，只須瞄準人偶拚命地射，直到射死它為止，要小心的是，只要被它碰到，你就掛掉 -
Based on analyzing the mechanism of direction finding triangulation location and location accuracy for two - ship passive locating, the acquisition probability model of anti ship missile terminal guidance radar is presented for two - ship passive locating : and the effects of the key factors to the probability are analyzed, and then the primary factors are pointed not by analyzing the results in different conditions
摘要首先簡要介紹了無源定位技術，然後著重分析了雙艦無源測向交叉定位以及其誤差產生的機理，在此基礎上，給出了雙艦無源定位情況下實施超視距攻擊時，反艦導彈末制導雷達開機時刻對目標的捕捉概率模型，並通過模擬分析雙艦距離。 -
A single correction method is provided, that is, based on the height finding value of the primary radar and the height finding value of the secondary radar, the paper calculates the adjustment quantity of the antenna beam direction, micro - adjusts the arrary of antenna, and so that it improves the accuracy of height finding
並提出了一種簡單易行的修正方法，即根據一次雷達的測高值和二次雷達的測高值計算出天線波束指向的調整量，對天線陣面波束指向進行微調，從而提高了測高精度。 -
Since a phased array radar can direct the radar beam in any direction without inertia, it can perform adaptive sampling of target trajectories
相控陣雷達可以在任何方向無慣性改變雷達照射方向，這使得它能進行變速率的采樣。 -
In this dissertation, the mathematic model of optically controlled phased linearity array is established by basic theory of phased array radar. the problems of instantaneous bandwidth of ocpar and subarray number are researched, the relationship between the excursion of the direction pattern and subarray number, main lobe stretched - out of the direction pattern and bandwidth, side - lobe level of the direction pattern and subarray number, pulse compression and bandwidth, pulse compression and subarray number is analyzed. after corresponding simulations are done, a summary of advantages of ocpar compared with the traditional phased array radar is presented
針對x波段信號，仔細研究了光控相控陣的瞬時帶寬問題和子陣數問題，分析了光控相控陣列方向圖偏移與信號帶寬及子陣數的關系，光控相控陣列方向圖主瓣展寬與帶寬的關系，方向圖旁瓣電平與子陣數的關系，脈沖壓縮與信號帶寬及子陣數的關系，完成了相應的模擬，通過與普通相控陣的對比，總結出了光控相控陣相對于傳統相控陣的巨大優勢。 -
The complex resonance frequency underlying in late - time scattering components of a conducting target is independent of waveform and polarization of the incident wave, as well as the direction of the target relative to radar. it is a unique aspect independent quantity so far used to characterize target physical structure and component
目標的后時響應中包含的自然諧振頻率成分（極點） ，不依賴于雷達發射電磁波波形、和其極化形式，與目標對雷達的取向無關，具有目標姿態不敏感性。 -
The vertical section of the radar picture along the direction of the approach path marked a - b in figure 10, together with the winds experienced by the plane, is given in figure 11
圖11展示雷達圖中沿降落航線的垂直切面圖10中的a至b以及航機遇到的風向和風速。 -
The vertical section of the radar picture along the direction of the approach path ( marked a - b in figure 10 ), together with the winds experienced by the plane, is given in figure 11
圖11展示雷達圖中沿降落航線的垂直切面（圖10中的a至b ）以及航機遇到的風向和風速。
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