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- This paper proposes a new subspace-based algorithm to jointly estimate the frequencies, directions of arrival (DOAs), and ranges of multiple near-field narrow-band sources. 摘要提出了一种基于子空间的近场窄带信源频率、到达角及距离三维参数联合估计新方法。
- To find the directions of arrival(DOA) signals,the manifold of array is searched in subspace class algorithms,so the array manifold plays a key role in DOA estimate. 因子空间类算法需搜索阵列流形来进行测向,所以阵列流形对阵列性能有重要影响。
- Direction of Arrival (DOA) estimation is one of the key technologies of Direct Sequence Ultra Wide Bandwidth (DS-UWB) system. 摘要到达角估计是直接序列超宽带系统的关键技术之一。
- Based on an L-shape array, a novel method for estimating two-dimensional direction of arrival (DOA) was presented. 摘要提出了一种在高斯白噪声环境下基于L型阵列的二维DOA估计的新方法。
- Direction of arrival (DOA) estimation is one of the key technologies of ultra-wideband (UWB) location. 摘要对信号到达角(DOA)的估计是超宽带定位的关键技术之一。
- By using temporally invariance, constructing two sub-arrays with same array shape, direction of arrival estimation can be obtained using ESPRIT technique. 利用时延数据,以时间变元为旋转因子,构造了两个具有相同阵形的子阵,采用ESPRIT实现了对目标信号的波达方向估计。
- The algorithm has robust characteristics, and it doesnot need the channel fading and the direction of arrival (DOA) information. 它无需信道衰落系数和DOA信息,是盲信号检测方法,具有鲁棒性。
- In this paper,a Direction of Arrival(DOA) estimation algorithm is proposed for uplink MC-CDMA system with antenna array. 提出了一种阵列天线MC-CDMA系统用户波达方向估计算法。
- Then the MUSIC-like algorithm based on the hypercomplex eigenvalue decomposition is used to estimate the direction of arrival (DOA) of signals. 在此基础上应用基于超复数奇异值分解的超复数MUSIC算法进行波达角估计并进行计算机仿真。
- From this point, the paper give some researches on the direction of arrival(DOA) and frequency estimate of the bistatic an. 双/多基地雷达的检测、定位、成像是信号处理的重要内容,其中参数估计,如波达方向、时延和频率的估计等,问题涉及双/多基地雷达的空间、时间和频率同步。
- The time of arrival is indicated on the screen. 屏幕上显示出到达时间。
- A novel ESPRIT based two-dimensional direction of arrival (DOA) estimation (azimuth and elevation angle estimation) algorithm for S-CDMA system with decorrelator is presented. 摘要提出了一种新颖的解相关同步CDMA系统二维(方位/高低)波达方向(DOA)估计算法。
- They are direction of arrival based beamforming (DOB) algorithm, temporal reference beamforming (TRB) algorithm and signal structure based beamforming (SSBF) algorithm. 目前有三类波束赋形算法,分别为基于波达方向的波束赋形,基于时间参考的波束赋形和基于信号结构的波束赋形算法。
- This paper compares the expanded to the unexpanded in the performance of direction of arrival estimation at first,and then analyses the beam of different thinned ratio. 比较了该阵列扩展前和扩展后的测向性能,分析了阵列在不同稀疏比下的测向性能以及波束图,可以看出稀疏阵列的波束图的旁瓣明显降低了。
- Most of the existing source number decision methods do not use the direction of arrival (DOA) estimation results, and can be called a priori decision method. 由于使用的信息较少,这类方法很难给出信源数目的准确估计。
- The train's approximate time of arrival is 10: 30. 列车到达的时间大约是10:30。
- The ship launched in the direction of Japan. 船起航前往日本。
- When there exists general array error in uniform linear array (ULA), an estimation of the direction of arrival (DOA) and Doppler frequency for signals was proposed. 摘要在均匀线阵存在阵列误差的情况下,提出了一种信号波达方向和多普勒频率估计方法。
- His time of arrival coincided with yours. 他到达的时间与你相同。
- Abstract When there exists general array error in uniform linear array (ULA), an estimation of the direction of arrival (DOA) and Doppler frequency for signals was proposed. 摘要 在均匀线阵存在阵列误差的情况下,提出了一种信号波达方向和多普勒频率估计方法。
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries