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- An Algorithm for Passive Direction Estimation to Low Altitude Target Based on Particle Velocity Measurement 基于质点振速测量的低空目标定向算法研究
- passive direction estimation 被动定向
- The expressional way may be direct estimation, may be exterior as well as connotative logic dialog, or histrionic and metaphorical visual language. 其表现方式可能是直言判断，可能既有表层的又有隐含的、在不同层面上的逻辑对话，也可能是富有戏剧意味的、隐喻性的形象语言。
- This finding shows the limitation of the direct estimation method in developing MAWL although we can obtain the MAWL more quickly and easily. 这发现显示出直接估计法虽能快速且容易的获得MAWL，但在现今发展MAWL下是有其限制的。
- Conclusion RSR is a precise and intuitive method to assess the military hospital.It excels the direct estimation method. 结论运用秩和比法可以精确、直观地得到科学合理的评价结果,优于直接评分法。
- The system consists of five parts: Image acquisition system, eye detection, eye tracking, eye open/close and gaze direction estimation, and drowsiness discrimination. 中文摘要昏睡与疲劳会降低对外界的反应、注意力，与警觉度。为了保障驾驶人和行人的安全，我们提出了一个驾驶昏睡侦测和警示系统；
- If a radar operates passively, it can obtain the objective of passive direction finding against a jamming source by means of receiving and utilizing the jamming signal. 雷达无源工作时，可以接收和利用干扰信号对干扰源进行无源测向。
- On the bases of analyzing two typical direct estimation methods of rotor speed, a novel sensorless technique of permanent magnet synchronous motor (PMSM) direct torque control (DTC) is put forward in this paper. 通过分别计算出定子磁链矢量角位移与转矩角，将后者从前者中减去得到转子磁链矢量的角位移进而得到转子速度信号，并采用改进积分器取代传统的积分器。
- passive direct methanol fuel cell (DMFC) 被动式直接甲醇燃料电池（DMFC）
- passive direct methanol fuel cell(DMFC) 被动式直接甲醇燃料电池（DMFC）
- passive direct methanol fuel cell 被动式直接甲醇燃料电池
- Direction estimation with acoustic vector-sensor 声矢量传感器目标方位估计
- sound-based direction estimation 声音定向
- wave arrival direction estimation 波达方向估计
- He played a passive role in the marriage. 他在婚姻中扮演了一个被动的角色。
- collaborative direction estimation 协作定向
- He had a passive expression on his face. 他脸上有一种漠然的表情。
- super-resolution direction estimation 超分辨测向
- In spite of my efforts the boy remained passive. 尽管我努力，那男孩还是不起劲。
- The slaves gave passive obedience to their master. 奴隶们乖乖地服从他们的主人。
