beam radar 中文意思是什麼
beam radar
解釋
v形波束雷達-
There are not only beam - slanting but also large blind zone near the zenith in the two - axes radar used in the present
現有的艦載兩軸雷達由於受到船搖的影響，不僅波束傾斜，而且天頂附近有很大的跟蹤盲區。 -
Chapter 3 studies the false target jamming. jamming signal generation formula is proposed by the investigation of simultaneous ground echoes of two different point targets in radar beam. comprehensive research about the characteristics of jamming signal is made, and raw data is used in simulation
第三章對虛假圖像干擾進行了研究，通過對雷達波束內兩個不同的點目標在同一時刻的回波信號進行的分析比較，推導了干擾信號的生成公式，對干擾信號的特徵作了詳細的分析，並結合實測數據做了模擬實驗。 -
A radar beam picks out the moving target and stays with it all the time.
雷達波束能辨認出活動的目標，並一直跟蹤該目標。 -
To compensate centimeter wave ' s shorting comings such as broad beam and short effective range, a transponder is added in the back of target automotive. this secondary radar measures range in the way of transponding
為了彌補厘米波波束大、作用距離不如毫米波的缺點，系統在目標車輛的尾部增加了一級轉發器，以雙機應答的方式測量車距。 -
Firstly, the methods to restrain the effect of ship swing are studied for two - axes shipbome radar. two different methods based on ship rectangular frame and inertial frame are proposed separately according to consistence of radar base angle and beam angle
本文首先研究了艦載兩軸雷達系統抑制船搖的方案，對雷達天線轉角和波束轉角一致和不一致的情況，分別提出了基於甲板坐標系穩定和基於大地坐標系穩定的不同方法。 -
Considering the characters of 3 - axes coordinate system that is not included in ship rectangular frame or inertial frame, compensation conditions are deduced through studying the effects of ship - swing. the paper studies how to transfer line velocity and acceleration in the inertial frame to angular velocity and acceleration which correspond each axis, then gives the computer function scheme. servo control scheme which can overcome ship swing and realize moving - target accurate tracking is designed according to inconsistency of radar base angle and beam angle
針對三軸軸系既非甲板坐標系又非大地坐標系的特點，既研究了船搖對正交三軸雷達系統的影響，推導實現船搖不變性的補償條件，又研究了將目標在大地坐標系中的線速度和線加速度濾波值折算到各軸對應的角速度和角加速度值的計算關系，並作出了計算機功能框圖。 -
In actual radar antenna design several thousand elements could be used to obtain a high - gain antenna with a beam width of less than two degrees
實際的雷達天線設計為擁有數千個單元能夠獲得高增益使波束寬度小於2度。 -
The phase shifter, as a important component in transmit / receive ( t / r ) module of phased array radar, steer the electronic beam for inertialess scanning
移相器是相控陣雷達發射/接收（ t / r ）組件的重要組成部分，用來控制雷達波束的無慣性電掃描。 -
Optimal antenna radiation pattern integration for multi - beam forming in high frequency radar
高頻雷達多波束最優天線方向圖綜合 -
The missile "rides" the beam; that is, it follows the radar signal until it hits the target.
導彈就駕馭著該波束，即跟著雷達信號直到擊中目標為止。 -
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。 -
This thesis emphasizes on the research of the theory and experiments of the laser beam propagation in the atmosphere, which are of great importance in the areas of laser radar, laser missile - guidance and communication
激光束在大氣中傳播的理論及實驗研究，對于激光雷達、激光制導及通信等領域有重要意義。大氣中的湍流對激光束的影響占突出地位，本文著重研究湍流對大氣中傳輸激光的影響。 -
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。 -
Laser - diode end - pumped solid - state laser has many advantages, including high efficiency, good beam quality, high frequency stability, narrow line width, long lifetime, compact configuration, convenient for using et al. especially, single - frequency solid - state laser sources are required for many fields of fundamental research and scientific application, such as gravity - wave detection, coherent laser radar, coherent communication and fiber sensing
激光二極體泵浦的固體激光器具有全固態、小型化、效率高、使用方便等優點而受大家的廣泛關注，尤其是實現單頻運轉的全固態激光器以其優良的頻率特性和輸出功率穩定性可廣泛應用在相干信息處理、頻率計量、量子光學、引力波測量和量子信息等研究領域。 -
Partial adaptive digital beam forming has the potential for improved time - energy management, and reduced life - cycle costs, and reduced complexity of adbf system, especially in large array antenna used thousands of sensors. this dissertation was part of the national ' s array radar project
對于大型空時自適應陣列天線，採用部分自適應技術（ padbf ） ，可以降低陣列自適應演算法的復雜性，產生較快的自適應響應，同時也可極大的降低系統硬體成本。 -
A selecting method of phase shifters ' digit of phased array radar beam control system
相控陣雷達波控系統移相器位數的選取 -
That enables use to be made of what was previously just irritating noise ? the part of a radar beam that is reflected not from raindrops, but from fixed objects such as buildings
這種方法使運用那些原先被認為只是由惱人的噪聲組成的東西成為可能? ?這一部分的雷達波不是從雨滴反射來得，而是來自諸如建築物那樣的固定物體。 -
Since the distance from any given radar to each of these reflective surfaces ( which may be as much as 50km, or 30 miles, away ) is known precisely, the time it takes a beam to get there and back is a measure of how much water vapour it contains
因為可以精確獲取某一雷達到這些反射物體中的任一表面的距離（可能有50公里，即30英里遠） ，人們便可以通過雷達波往返兩地所需的時間測得反射物的水蒸氣含量。 -
( 2 ) if not considering blind space and targets are uniformly distributed, detectionperformance are close for the three kinds of line when speed - ratio is less than 1, and cross - toline will achieve higher enter - cover - probability when speed - ratio is more than 1. if takingblind space into account, for case of balance - beam radar, cross - away line can get higherstrict - enter - cover - probability. but for fear that probablely - enter - cover target distribution comesbehind the patrol line, the three factors should be limited if taking cross line
若考慮盲區的影響，對平衡木構型的雷達而言，交叉同向航線的嚴格覆蓋率較大;但為了使區域縱深不反向至我方空域，採用交叉航線時航線橫比、航線縱比、速度比的取值范圍要受到限制，否則雷達動態性能將大打折扣。 -
Millimeter wave single pole multiple throw switch is one of the most important device in multi - channel system, widely applied to multi - beam radar, phase array radar system, electronic warfare system, and so on
毫米波單刀多擲開關是毫米波多通道轉換的重要部件，廣泛應用於多波束雷達、相控陣雷達、電子對抗技術等方面。
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