1) ZEM
零能脱靶量
1.
Based on the transition matrix of the state equation,the zero-effort miss(ZEM) was redefined without calculating the time-to-go.
运用该状态方程的转移矩阵,重新定义了零能脱靶量(ZEM),使其不再需要估计剩余时间,并将此作为滑模切换面,设计了一体化超扭曲二阶滑模制导律。
3) zero effort miss
零效脱靶量
1.
According to the characteristics of strap-down imaging seeker and impulse jet control system,a high performance,simple and effective terminal guidance method by using the measurement information of strap-down seeker on the basis of the concept of zero effort miss(ZEM) was presented,which utilizes angle information measurement from the seeker directly.
根据弹载捷联成像导引头和脉冲发动机控制系统的特点,设计了一种基于零效脱靶量概念的直接利用捷联导引头测量信息的末制导方法。
2.
In the line-of-sight coordinate system, the relation motion equation is given and the ignition line of impulse engines is put forward according to the concept of zero effort miss, and the correct thrust orientation is gotten.
在视线坐标系中建立了子弹相对运动方程,根据零效脱靶量的概念,给出了脉冲发动机的点火曲线,并得到发动机正确的推力方向。
3.
The pulsed proportional navigation(PPN) guidance and attitude pursuit guidance(APG) by the concept of zero effort miss(ZEM) were established,and the corresponding ignition control strategy of the pulse jet was presented.
建立基于零效脱靶量概念的两种末制导律——弹体追踪和脉冲比例导引,并给出对应的脉冲发动机点火控制方法。
4) zero effort miss
零控脱靶量
1.
A robust midcourse guidance law based on the zero effort miss is designed for the middle flying stage of exo-atmospheric intercept with the fuel-exhaustion-shutoff solid engine.
针对大气层外拦截中段采用耗尽关机固体燃料发动机的情况,设计了基于零控脱靶量的鲁棒中制导律。
2.
Firstly,a new analytic expression of zero effort miss is derived,because the difference of gravity for interceptor and ballistic missile is taken into account,so the expression has good fidelity as compared with that in the case where gravitational accelerations acting upon both vehicles are equal.
推导出计算零控脱靶量一种新的解析表达式,由于在推导过程中考虑了两飞行器间重力差影响,得出的表达式相对于将两飞行器重力差简化为零重力模型得到的解析式具有更高的精度;根据平行接近法原理利用此表达式推导出一种简单的末制导律;详细介绍了脉宽调制(PWM)式实现变推力控制的方案,仿真中在考虑发动机工程约束的情况下,利用PWM技术对提出的制导律进行验证。
3.
The perturbation correction method for Lambert interception based on differential corrector was proposed,which can compensate the large zero effort miss caused by perturbation in the initial guidance law.
提出一种基于微分改正算法的Lambert拦截摄动修正方法,在初始变轨制导段补偿轨道摄动因素对零控脱靶量的影响,以避免在末制导段进行过大的偏差修正。
5) Miss distance
脱靶量
1.
Vector miss distance measurement based on range and velocity target tracking;
距离速度跟踪在矢量脱靶量测量中的应用
2.
Measurement algorithm of scalar miss distance based on narrow pulse;
基于窄脉冲的标量脱靶量测量算法
3.
Spacecraft Miss Distance Test Method Based on a Single Radar;
一种基于单部雷达的飞行器脱靶量测试方法
6) undershoot value
脱靶量
1.
The system real-time disposes and judges video image,obtains undershoot values and relatively distortion of vessel by combining two measure results.
视频判读系统接收两组光电自准直平行光管CCD的视频信号,采用图像采集和图像处理并行工作方式,进行实时图像处理和判读,得出动态脱靶量,并对两路图像的测量结果进行叠加得出舰艇的相对变形量。
2.
Computer video judge system incepts two video signals, video collection and video disposing adopting parallel fashion, real-time disposes video image and judge, obtains undershoot values and relatively distortion of vessel by combining two meas.
计算机视频判读系统接收两组光电自准直平行光管的视频信号,采用图像采集和图像处理并行工作方式,进行实时图像处理和判读,得出动态脱靶量,并对两路图像的测量结果进行叠加得出舰艇的相对变形量。
补充资料：零息票债券；零券息债券
零息票债券；零券息债券一种以低于票面价值的价格发行的债务工具。债券不支付任何票息；它在到期日是以面值赎回的。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条