| 1. | Beam riding systems use a target tracker whose purpose is to maintain the antenna boresight pointing at the centre of the reflecting area of the target . 波束制导系统使用一个目标跟踪装置,它的目的是保持天线视轴指向目标反射的中心。 |
| 2. | Boresight misalignment calibration of integrated dgps imu system 系统视准轴误差检校 |
| 3. | Optical axes boresight instrument for multispectral optical system 多光谱光学系统光轴平行性组合测试装置 |
| 4. | Boresight fixture assembly 校靶装置 |
| 5. | To ensure the reliability of tracking the target , signal attenuation and boresight error must be predicted accurately 要保证导弹跟踪目标的准确性,必须预测在给定扫描角下的信号衰减和瞄准误差。 |
| 6. | If the reference element has a phase of zero , compute the phase applied to element five when the beam is scanned 40o above the boresight axis 如果参考单元的相位是零,计算第五单元当扫描视轴线以上40度的相位。 |
| 7. | For quick truning to target of air - to - air missile ( aam ) for short range dogfight in large off - boresight it is necessary to study the agile turn control law 摘要为了使近距格斗空空导弹在大离轴角发射时能快速地转向目标,需要研究快速转弯控制律。 |
| 8. | Based on unsymmetrical heat environment , boresight error , boresight error slope and transmission coefficient of a specific shape radome have been calculated with indirect ray method 在不对称热环境的基础上,采用间接射线法计算天线罩瞄准误差、瞄准误差斜率及功率传输系数。 |
| 9. | Similarly , to position the beam below the boresight axis requires the use of a negative angle . this yields a negative and equation ( 7 - 4 ) again yields the applied phase of each element 同样的,要使波束低于视轴线要求负的角度。增量就是负的,式( 7 - 4 )仍可用于计算每个单元的增量。 |
| 10. | Based on the simulation results , a cobra antenna constituted by four reflectors is designed , the antenna produces a radiation pattern with a boresight peak , and the antenna gain reachs to 28 . 4db 通过数值仿真,设计了一种由四块反射面组成的cobra天线,天线在轴向上辐射场最强,增益达到28 . 4db 。 |