In processing of array signal, Direction of Arrival (DOA) of target can be obtained by extracting spatial frequency of echo.
在阵列信号处理中，提取回波信号中的空间频率，可以得到目标的方位信息。
Then proposes a method to detect the arrival time of instantaneous signal and the frequency composition under strong noise background.
提出了在强噪声背景下检测瞬时信号的到达时间和频率成分的方法。
Then proposes a method to detect the arrival time of instantaneous signal and the frequency compos...
提出了在强噪声背景下检测瞬时信号的到达时间和频率成分的方法。
An estimation method of direction of arrival (DOA) for UWB based on frequency modeling cannot deal with coherent sources.
基于频域模型的UWB到达角估计方法只能解决非相干源问题，因此提出了一种改进的估计方法。
Such a motor can not start, we must use another special auxiliary motor winding or so after the arrival of the appropriate frequency before it can be connected to AC.
此种电动机不能自己开动，必须用另一电动机或特殊辅助绕线使到达适当的频率后，始可接通交流电。
Then proposes a method to detect the arrival time of instantaneous signal and the frequency composition under strong noise...
提出了在强噪声背景下检测瞬时信号的到达时间和频率成分的方法。
Then proposes a method to detect the arrival time of instantaneous signal and the frequency composition under strong noise background. Theor...
提出了在强噪声背景下检测瞬时信号的到达时间和频率成分的方法。
An estimation method of direction of arrival (DoA) and Doppler frequency for signals in the presence of array errors is proposed.
在均匀线阵存在误差的情况下，提出了一种信号波达方向和多普勒频率的估计方法。
The Doppler frequency of signals was used to estimate the direction of arrival (DOA) of desired signal with unknown array response vector.
在未知阵列响应矢量的条件下，利用信号的多普勒信息，估计出期望信号的波达方向。
Research based on combination of high frequency data with Auto-regressive Conditional Duration (ACD) Model shows that ACD model can successfully describe the intensity of bargaining arrival.
结合高频数据和自回归条件持续性（ACD）模型进行的研究表明：在中国市场，自回归条件持续性模型可以成功用来衡量交易到达的强度。
Secondly, the Frequency Difference of Arrival (FDOA) Location System has b.
接着，本文还就到达频差定位系统进行了研究。
Therefor, a single observer passive location method was proposed by using direction of arrival, phase difference rate-of-change, frequency and Doppler frequency rate-of-change in this paper.
为此，提出一种利用空频域信息的固定单站无源探测定位方法，利用波达方向、相位差变化率、载波频率及多普勒频率变化率实现对运动目标的无源定位。
Therefor, a single observer passive location method was proposed by using direction of arrival, phase difference rate-of-change, frequency and Doppler frequency rate-of-change in this paper.
为此，提出一种利用空频域信息的固定单站无源探测定位方法，利用波达方向、相位差变化率、载波频率及多普勒频率变化率实现对运动目标的无源定位。
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