本文从空间频谱分析的角度来实现这一估计。
In this paper, the DOA estimation is implemented by spatial frequency spectrum analysis.
以按空间频谱展开方法，处理任意光束的非线性谐波转换过程。
For the nonlinear harmonic conversion of real laser beams, we have developed a theory by applying the spatial spectrum analysis to the nonlinear coupling.
本文介绍一种光学-计算机混合处理系统对图像进行空间频谱分析的原理和方法。
The paper describes the principle and method of spatial spectrum analysis to photographic image using an optics computer hybrid processing system.
本文描述了作者首次依据空间频谱的分布特征，提出了在共焦激光扫描显微系统中实现暗场成像的新途径——离轴成像法。
Based on the spatial spectral distribution, a new method to form images with dark-field ib proposed for applications in Confocal scanning Laser microscopy system.
在印度最有活力的实业——移动电信中无线电频谱的空间是最有价值的原材料。
Space on the radio spectrum is the most valuable raw material in mobile telecoms, India's most dynamic industry.
但新成立的使用白色空间的无线网络服务营运商将无须为使用频谱而付费。
But a new breed of wireless Internet service providers using white-space frequencies will not have to pay for their spectrum.
它也释放了更多的频谱空间来修复无牌照空间。
It also frees up more spectrum for tinkering on unlicensed space.
其中移动通信技术最主要关注的一个问题就是如何利用有限的频谱资源，满足用户需求在空间和时间上的分布。
The vital problem of the mobile communication is how to using the limited spectrum resource to match the distribution of user demand in the space and time.
通过研究二维非增益随机介质中光波的局域化，确定了准态模的空间分布和频谱特征。
The spatial profile and the spectra characteristics of quasi-state modes are determined by analyzing the localized processes of optical light beams in random media without gain.
在本论文中，我们提出一个继电器或继电器的CR用户定向到新的频谱利用的机会，所谓的空间上海新方案。
In this paper, we propose a novel scheme with relays or directional relays for CR users to exploit new spectrum opportunity, called spatial SH.
该方案的主要特征是，认知中继使用的协作机制结合了协作传输和协作中继，可以获得空间分集和频谱分集增益。
The key feature of the proposed scheme is that, the cognitive relay combines cooperative transmission and cooperative relay, as a result, both spatial diversity and spectrum diversity can be obtained.
大部分授权频段在时域、频域和空间域的利用率很低，而公共频段出现了严重的频谱拥挤。
The utilization rate of licensed spectrum is very low in the time domain, frequency domain and space domain, while the unlicensed band is overcrowded seriously.
相关的自发参量上转换和下转换光子表现出光束亮度高、空间发散小以及在很宽频谱范围内可调谐等特点。
The correlated spontaneous up conversion and down conversion photons exhibits a high beam brightness, small spatial divergence, and broad spectral tunability.
根据实际卫星遥感成像的大气云雾影响特性，和傅立叶光学空间滤波原理，从云雾频谱分析的角度讨论模糊图像的滤波恢复处理方法。
Based on the practical atmosphere characteristic, the restoration methods are described through filtering the blurred images from the Angle of Fourier optics spectrum.
很像联邦通信委员会的建议。它建议拍卖一大块可用于提供数据给无线设备的无线电频谱，并鼓励现有的执照持有人，特别是广播，以拍卖或出售任何他们不占用的空间。
radio spectrum that could be used to provide data to wireless devices, and to encourage existing licence-holders, in particular broadcasters, to auction or sell any capacity they are not using.
利用频谱解混叠方法和空间域迭代重建方法对低分辨率图像帧数大于等于4帧时的重建效果进行了研究。
The result of reconstructing a HR image is studied when the quantity of LR images is more than or equal 4 by using the spectral de-aliasing algorithm and the spatial iterative algorithm separately.
频谱分析表明测试信号中含有两个主频，分别对应发射探头的发射主频与测试面自振频率（采用ANSYS有限元程序作半空间体模态分析加以验证）；
The signal's amplitude spectrum reveals that there are two main frequency, the higher is the probe signal's dominant frequency and the lower is the testing plane's free vibration frequency.
基于噪声（正交）子空间的频谱估计方法则具有很高的谱分辨率。
Methods based on signal-subspace, such as linear prediction, ME, etc possess better statistical stability;
基于噪声（正交）子空间的频谱估计方法则具有很高的谱分辨率。
Methods based on signal-subspace, such as linear prediction, ME, etc possess better statistical stability;
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