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- Gray target model 灰靶模型
- The glint result of the two-ball target model was compared with the measured result and proved its validity. 选用了两球标准体进行角闪烁校模，计算结果与测量结果一致，证明了此方法的准确性。
- The essay then elaborates on the three phases for the realization of the said target model and the strategic policies thereon. 本文还论述了实现目标模式的三个发展阶段及其战略对策。
- It is put forward the importance of fuze target model in the radar fuse target system simulation through an application example of some missile. 通过某型导弹的应用实例 ,指出了引信目标模型在雷达引信目标系统仿真中的重要作用
- The adaptability to a variety of target model paramters and the a- bility to modify original system control rules enable the output to follow the system input tracks faser. 对于对象模型参数变化的自适应性及系统控制规则参数的修改使控制输出能较快地跟踪系统输入。
- Combining real-time input estimation algorithm, a novel maneuvering target model named adap-tive input statistics model is deve loped based on current statistics model. 在“当前”统计模型的基础上，结合实时输入估计算法，提出了一种新的机动目标模型--自适应输入统计模型。
- According to the idea of establishing monostatic target model,the echo model for a moving target model along bistatic baseline was established by the theory of analytic geometry. 根据建立单基地雷达运动点目标回波模型的分析思路,运用解析几何的方法,建立了双基地沿基线运动目标的回波模型。
- Experimental results show that MSPF with target model updating can robustly track the target through the whole sequences regardless of the change of target model. 实验结果显示，尽管目标模型存在巨大变化，带有模型更新策略的混合跟踪器能稳健的跟踪目标。
- Secondly, the paper concretely analyzes the entering target process of the attacker level bombing the anti-air radar, and presents the corresponding entering target model. 其次，具体分析了攻击机水平轰炸防空雷达的进人目标过程，并给出相应的进人目标概率计算模型；
- Simulation results shows that the residual of each filter in IMM is still Gaussian distribution, but its mean is not zero if the dominating filter cannot match the real target model. 仿真结果表明，IMM中各子滤波器滤波残差基本服从正态分布，但其均值随滤波模型与系统实际运动模式匹配程度变化而变化，即二者匹配时，滤波结果无偏； 不匹配时，滤波结果有偏。
- A Hough transform-based track-before-detect (TBD) algorithm is used to detect low observable target with constant velocity in K-distributed clutter and thermal noise. The target model adopted is Swerling II. 在K分布杂波加热噪声背景下 ,采用基于Hough变换的检测前跟踪算法对匀速直线运动的SwerlingII型低可观测目标的检测过程进行了仿真。
- His hair became gray when he was only forty. 他刚刚四十岁时，头发就变得灰白了。
- His face turned gray as he heard the bad news. 听到这个坏消息后，他的脸变得苍白。
- It is a medium- size samsonite, and it's gray. 它是一个中型的灰色绅耐特皮箱。
- Maneuvering target modeling and target information processing is the most important development direction of the armored vehicle fire control system. 机动目标建模与目标信息处理是当前战车火控系统的重要发展方向。
- The blue shirt and gray tie are a good match. 蓝衬衫和灰领带很相配。
- Stolen chips can find access to the gray market. 偷来的芯片可在水货市场上找到销路。
- He was still looking gray and very tired. 他看上去仍然面色苍白,疲惫不堪。
- His black hair was tinged with gray. 他的黑头发带着一点灰白。
- Firstly, the maneuvering target models and the measurement equations are established.Secondly, the MLE algorithm is derived in detail.Finally, the computer simulations are made. 首先建立了机动目标模型与观测方程，然后详细推导了定位算法，并进行了仿真实验。
