通过可观测度比较，还提示了到达时间差和多卜勒观测在系统中具有的拟等价关系。
The approximate equivalent relation in systems between time difference of arrival and Doppler is shown by comparing their observability degrees.
本文根据到达时间差(TDOA)定位原理在通信对抗系统仿真平台下建立了TDOA定位系统模型。
In this paper, the system model of TDOA location has been established on the Communication Countermeasure Simulation Platform based on the working principle of time difference of arrival technique.
提出了一种利用平面解三角，并结合辐射源信号到达方向和脉冲到达时间差对运动辐射源进行单站无源定位的算法。
An algorithm used trigonometry to passively locating a moving emitter with direction of arrival (DOA) and time difference of arrival (TDOA) of the emitter signal is given.
在声波的“头部”和“尾端”到达之间有30分钟的时间差。
There was a 30-minute time difference between the arrival of the "bow" and "stern" waves.
声学精度靶就是利用伴随着超声速弹丸的弹头波到达立靶面上不同声学传感器所产生的时间差来确定弹丸在面上的坐标。
Acoustic precision target utilizes the time difference of warhead wave arrived at different sensors to determine coordinates of bullet on the surface.
为了适当地用这种方法重建信号，我们必须精确地知道信号的最高频部分和最低频部分到达的时间差。
In order to properly reconstruct a signal in this manner, we would have to know the exact time-lag between the highest frequency portion and the lowest frequency portion of the signal.
三个接收天线（接收闪电放电辐射的超高频脉冲）分别放在一个垂直边长为120米的直角等腰三角形的顶点，由到达天线的时间差来计算接收到的闪电脉冲的方向。
The three antennas which receive VHF impulses emitted by a lightning discharge are placed on the vertices of a right-angled isosceles triangle with perpendicular sides 120 meters in length.
三个接收天线（接收闪电放电辐射的超高频脉冲）分别放在一个垂直边长为120米的直角等腰三角形的顶点，由到达天线的时间差来计算接收到的闪电脉冲的方向。
The three antennas which receive VHF impulses emitted by a lightning discharge are placed on the vertices of a right-angled isosceles triangle with perpendicular sides 120 meters in length.
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