passive target meaning in Chinese

消极目标

Progress of study on passive targeting of drug delivery system
被动靶向药物载体的研究进展
Algorithm of memory attenuated filter to bearings - only passive target motion analysis
纯方位被动目标运动分析的衰减记忆卡尔曼滤波算法
Taking underwater sensor and sub sonar as an example , a new underwater system of passive target motion analysis ( tma ) is designed
摘要针对水听器与艇载噪音声纳构成的系统，提出了一种新的水下被动目标运动分析方法。
As an important branch of target tracking techniques , passive target tracking plays important roles in improving the viable ability and battle effectiveness of weapon systems in modern electronic warfares
作为目标跟踪领域的一个重要分支，被动式跟踪对于提高武器系统在现代电子战环境下的生存能力和作战能力有着重要的研究价值和应用前景。
Concerning the problem of low accuracy and speed of filter in bearings - only target tracking , the algorithm of underwater bearings - only passive target motion analysis is improved from ekf to maekf
摘要针对纯方位被动目标跟踪中扩展卡尔曼滤波器容易发散，从而导致滤波精度差而且收敛速度慢的问题，文中将水下纯方位被动目标运动分析中的扩展卡尔曼滤波算法改进为衰减记忆卡尔曼滤波算法。