In this paper, the azimuth angle changing rate measurement is introduced into this passive location problem and a location algorithm for 3-D moving emitters based on MGEKF is given.

本文将方位角变化率测量信息也引入该定位问题，提出了基于MGEKF（修正增益扩展卡尔曼滤波），对三维运动辐射源的无源定位跟踪算法。

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In this paper, the pitch Angle changing of charged particles of the magnetotail under the action of the dawn-dusk electric field is studied by evaluating about 900 trajectories by computer.

本文从粒子的轨道理论人手，通过对近900条粒子轨道的具体计算，研究了磁尾粒子在晨昏电场作用下的投掷角变化。

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The method of finite state machine together with PWM circuit is given to realize the algorithms of Voltage Space Vector control and 120 electrical Angle changing phase control of DC brushless motor.

针对电机空间矢量控制和直流无刷电机120电角度换相控制算法的电路实现，采用了控制状态机与PWM发生电路相结合的方法。

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You update your internal picture, perhaps changing the angle of some of a line here or there, or adding another element.

FORBES: Your Brain Was Made For Visual Modeling

By changing the angle of its wings and its body, the moth was able to create a delicate balance between the thrust pushing it forwards, the drag - or air resistance - pushing against it, and the lift keeping it in the air.

BBC: Footage reveals how insects use their bodies to hover

But a new book, Our Changing Planet: The View from Space, takes a wide-angle view of the dynamic globe.

NPR: Book Takes Wide-Angle View of a Changing Planet