1. Beam Position Arrangement and Optimization for Phased Array Radar in Search Mode; 相控阵雷达搜索方式下波位编排与优化2) numbering [英]['nʌmbə] [美]['nʌmbɚ] 位次编排3) bit-oriented organization 按位编排4) Spots Scheduling 点位编排5) examination seat arrangement 考场座位...
Observation mission planning algorithm for space surveillance phased array radar systems; 空间探测相控阵雷达系统中的任务规划算法 2. On multi-target tracking theory and data association algorithm in phased array radar; 相控阵雷达多目标跟踪原理及数据关联算法研究 3. Beam Position Arrangement and Optimizati...
Figure 2 shows this phased array arrangement using phase shifters rather than time delay. Note that we define the boresight direction (θ = 0º) as perpendicular to the face of the antenna. A positive angle θ is defined to the right of boresight, and a negative angle is defined to the...
In addition, a 90掳 polarization rotator and a quarter-wave plate are included in the arrangement of beam deflecting devices to satisfy the polarization requirements of these devices and of the transceiver channels. In a preferred embodiment, the beam deflecting devices comprise liquid crystal cells ...
By this arrangement, upon the bumper system receiving a longitudin... SC Glasgow,DW Heatherington,BW Lyons,... 被引量: 26发表: 2006年 Energy management in multiple-beam phased array radars We have described energy management in phased array radars that can vary the transmitted energy according...
such as for a phased array radar. The numerous switching and coupling elements also introduce very high optical losses in the beamforming circuitry, requiring significant optical power input. The structure of the circuitry makes it less compact and less rugged than other types of systems discussed ...
Micro-opticalactivelyblazedgratings arearudimentaryform ofphasedarrays.Aphasedarrayisaperiodic arrangementofsubapertures eachradiatingitsownpatternintospace.Theinterferenceoftheindividualradiationpatternssimulatealargecoherentapertureinthefarfield. Thisreviewaddressesonly socalledpassivephasedarrays whichmodulatethephase distr...
Strictly radial arrangement of rods. Equidistant positioning of rods on the cylinder's generatrix, with the nuclear explosive on the axis (central line) (Figure 1.5). It can be readily shown that case (a) is unattractive for energy considerations. In case (b) for simplicity we will consider...
it is common to use much larger numbers of antenna elements. Some communications or radar receivers are known having tens of thousands of elements, each with their own associated phase delay. Such an arrangement obviously provides a much increased signal-to-noise ratio, but can lead to problems...
In this arrangement, selector networks118includes 2-way selectors to respectively share the beamformers168–174among the antenna elements in phased array antenna apertures14and16. However, in other arrangements one or more of the selectors may be a 3-way, 4-way, or N-way selectors (where N...