脱靶

Based on the principle of grating diffraction, by using television measuring system to measure the offset between the imaging of incident laser and the optical axis to confirm the angle of incidence and the angle of diffraction of the grating, a method of measuring incident laser wavelength in far field with grating is brought up.

依据光栅衍射原理，采用电荷耦合器件CCD作为探测器，通过测量入射激光成像点在电视靶面坐标系中的脱靶量，确定光栅的入射角和衍射角，提出了一种利用固定式平面反射光栅测量远场未知方位入射激光波长的方法。

A research work to miss distance of missile under infrared decoy influence is done.

脱靶距离是飞机生存力评估的重要数据，红外诱饵弹对红外制导导弹的干扰效果也可通过脱靶距离来衡量。

The system state transition matrix is deduced, so the zero effort miss of the interceptor can he solved with numerical method under considering the earth's oblateness effect of J2. In order to make the thrust direction change smoothly and make the zero effort miss decrease quickly, the engine thrust is decomposed along the line of sight direction and perpendicular to the line of sight direction, and the distribution proportion coefficient is designed based on the required velocity gain normal to the line of the sight.

推导了系统状态转移矩阵，通过数值方法求解得到考虑地球扁率J2摄动项的拦截器零控脱靶状态，在此基础上将推力分解到视线方向和垂直视线方向，并根据垂直视线方向需要速度增量大小设计了推力分配比例系数，使得推力方向平稳变化且能快速减小系统的零控脱靶量。

The optical principium of two sets of and multi sets of CCD vertical target measurement system is introduced in this paper.

本文分别介绍了两台和多台CCD立靶测量系统的光学测量原理，给出了立靶测量脱靶量的计算方法。

Simulations show that the new method for Doppler miss distance measurement can eliminate the systematic errors of methods based on a uniform rectilinear motion model.

仿真表明，该多普勒脱靶量测量方法可消除基于匀速直线运动模型所存在的脱靶量测量的系统误差。

A correction formula for target deviations is derived by using the coordinate transform and its suitable conditions are proposed. Experiments show that it is coincident with the spherical trigonometry well.

分析了目前采用的脱靶量修正模型的适用条件，采用坐标变换法推导出经纬仪脱靶量修正公式，获得了与球面三角学相一致的推导结果，并在此基础上推导出成像系统无照准轴平行约束条件的通用脱靶量合成公式。

Experimental results show that the zero effort miss vector calculated by using approximate formulas is close to the real miss vector. Under the conditions of small initial errors, the satisfied results can be obtained by approximate function. The zero effort miss vector obtained can be used for the preliminary design and analysis of kinetic interceptor guidance.

测试结果表明该近似算法得到的零控脱靶量与真实值比较接近，在较小初始偏差条件下，简化的近似计算公式能给出满意的结果，所得零控脱靶量可用于空间动能拦截制导系统的初步设计与分析。

Based on this, GPS technology is app lied in fuze. Its app lications in MD IMeasurement ofmissile target test are analyzed and exp lored in brief.

在此基础上，将GPS技术应用于防空导弹引信中，对导弹靶试中脱靶量测量的应用作了较为详细的分析和探讨。

At last, the trend of miss distance measurement technology is forecast. For vector miss distance measurement system, Doppler radar and impulse radar are widely developed. The system based on impulse radar has a promising development future.

矢量脱靶量测量技术的发展主要集中在多普勒雷达和冲击雷达两种体制上，其中采用冲击雷达技术的矢量脱靶量测量系统是今后发展的重要方向。

A shooter cannot fire the first barrel because the safety has slipped to "safe". The target must be declared "lost"(or "LOST" and "LOST" if a double).

如果运动员由于保险滑落到&上保险&的位置而未能从第一枪管射击，必须判为&脱靶&（如果是双靶则为&脱靶&和&脱靶&）。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。