longitudinal phase space 纵向相空间
The azimuth can be determined by fixing two GPS in a certain distance along the longitudinal vector and making a carrier phase double difference between them.
如果沿载体纵向相距一定距离放置两个GPS天线，则在载体上两个天线载波相位之间求差可确定载体的方位。
The phase velocity of the plasma wave approaches the velocity of light due to the action of the longitudinal electric field.
在这样的纵向电场作用下，等离子体波的相速接近光速。
On analyzing the longitudinal plane motion equation and lateral plane motion equation in guided phase, the guidance logic for perpendicular impact task was devised.
通过分析导弹在导引段的纵向平面运动方程和侧向平面运动方程的特点，设计了实现垂直打击任务的制导逻辑。
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