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array;coherent

: Array size scaling of passive coherent beam combination in fiber laser array Array size scaling of passive coherent beam combination is explored theoretically. The Strehl ratio variation with wavelength is simulated in 4-, 9-, 16-, and 25-channel fiber arrays. The average ...
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: Experimental research on application of Hartmann micro-lens array in coherent beam combination of ... We demonstrate experimentally the application of a phase error detection method in the coherent beam combination (CBC) of a laser array. The method is based on the Hartmann micro-lens array. Both the ...
评级：0 浏览量：66 收藏量：0 资源大小：582KB 上传时间：2021-02-09

: Experimental investigation of a seven-element hexagonal fiber coherent array A seven-element hexagonal ˉber coherent array is developed to investigate the far-ˉeld distribution and phase controlling technique of a coherently combining ˉber laser array. A hexagonal prism is...
评级：0 浏览量：59 收藏量：0 资源大小：793KB 上传时间：2021-02-26

: Beam wander of partially coherent array beams through non-Kolmogorov turbulence Beam wander of partially coherent array beams through non-Kolmogorov turbulence
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: Coherent combining efficiency improvement based on a focused conformal projection fiber laser array Coherent combining efficiency improvement based on a focused conformal projection fiber laser array
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: Coaxial combination of coherent laser beams Based on polarization state conversion, a technique for coaxially coherent combination of laser beams is introduced. Laser beams can be coaxially coupled into one beam with high combination efficiency...
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: Coherent beam combination of broad-area laser diode array using of f-axis external cavity with ... In this letter, we demonstrate coherent beam combination of laser diode array using the external Talbot cavity with double feedback. The double feedback elements consist of grating and high-reflection...
评级：0 浏览量：49 收藏量：0 资源大小：196KB 上传时间：2021-02-06

: 论文研究-A NEW METHOD FOR TWO-DIMENSIONAL DIRECTION-OF-ARRIVAL ESTIMATION OF COHERENT SIGNALS.pdf 一种新的相干信号二维波达方向估计方法，王光敏，辛景民，在这篇论文中，我们提出了一种新的方法用于解决有多个窄带相干信号入射在L型阵列传感器上的二维波达方向估计问题。使用子阵平均��
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: Array covariance matrix-based atomic norm minimization for off-grid coherent direction-of-arrival ... Array covariance matrix-based atomic norm minimization for off-grid coherent direction-of-arrival estimation
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: Optical Quadrature psk (Coherent Detection).zip_PSK matlab_coher a coherent optical receiver for demodulating optical quadrature phase-shift keying (QPSK) signals. ... Third, this scheme is applicable to multilevel modulation formats such as M-array PSK and ...
评级：5 浏览量：50 收藏量：1 资源大小：547KB 上传时间：2022-07-14

: Synchronization and coherent combining of two pulsed fiber lasers We demonstrate a scalable architecture for coherent combining of pulsed fiber lasers. A new method for generating synchronous pulsed fiber lasers by direct phase modulation is proposed and ...
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: Sparsity-Based DOA Estimation of Coherent and Uncorrelated Targets with Co-Prime MIMO Radar This paper considers the direction of arrival (DOA) estimation of coherent and uncorrelated targets with the co-prime multiple input multiple output (MIMO) radar. We first build a co-prime MIMO ...
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: Tolerance on tilt error for coherent combining of fiber lasers Limited by the precision of optical machining and assembling, the optical axes of lasers in an array cannot be strictly parallel to each other, which will result in the beam quality degradation of the...
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: DON H.JOHNSON.Array Signal Processing-Concepts And Techniques algorithms, and solutions for processing signals received by array of sensors.The book incorporates the latest results from the field of digital signal processing into a coherent discussion of array ...
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: High-contrast imaging for weakly diffracting specimens in coherent diffraction imaging Coherent diffraction imaging (CDI) and ptychography techniques bypass the difficulty of having highquality optics in X-ray microscopy by using a numerical reconstruction of the image that is obtained ...
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: Optical system design of a portable coherent population trapping (CPT) atom clock We present the mechanism of coherent population trapping (CPT) atom clock. The optical system is designed for a portable CPT atom clock. In this system, single transverse mode vertical-cavity surface-...
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: Effects of space duty cycle on the characteristics of fiber laser coherent beam combination The characteristics of fiber laser coherent beam combination are investigated by using a 2×2 fiber laser array with a self-Fourier cavity. The experimental results show that with a certain output ...
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: Comprehensive investigation on producing high-power orbital angular momentum beams by coherent ... Utilizing the coherent combination of a beam array technique and helical phase approximation by a piston phase array, we have proposed a generating system for a novel high-power beam carrying OAM, ...
评级：0 浏览量：50 收藏量：0 资源大小：2MB 上传时间：2021-02-22

: A 32-Unit 240-GHz Heterodyne Receiver Array phase-coherent pairing with external sub-terahertz transmitters. A chip prototype using a bulk 65-nm CMOS technology is implemented, with a dc power of 980 mW. Phase locking of the 240-GHz LO is ...
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: Coherent addition of gratings for chirped-pulse-amplified lasers based on near-field and far-field ... The development of phased-array grating compressor is a crucial issue for high-energy, ultra-short pulse petawatt-class lasers. Almost all systems have adopted a tiled-grating approach to meet the ...
评级：0 浏览量：73 收藏量：0 资源大小：371KB 上传时间：2021-02-25

: 基于共轭Dammann光栅的二维相干固态激光器阵列组合的仿真基于共轭达曼光栅的相干光束梳理技术是一种将锁相激光器阵列组合成一个高功率，高光束质量的激光输出的有效方法。在本文中，该技术被应用于固态激光束的二维锁相阵列的组合。采用可以增加21.5％的面积填充系数的方...
评级：0 浏览量：99 收藏量：0 资源大小：1003KB 上传时间：2021-03-05

: 不相关信号和相干信号共存下DOA估计的空间差分方法到达方向（DOA）估计是阵列信号处理中的重要问题。针对同时撞击均匀线性阵列（ULA）远场的许多不相关且相干的窄带信号的DOA估计问题，提出了一种有效的空间差分方法。在所提出的方法中，首先使用常规子空间方法...
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: 基于单快拍极化平滑处理的DOA跟踪算法该文研究了基于电磁矢量传感器阵列的相干信号波达方向(DOA)跟踪问题。首先,对一种增强阵列有效孔径的单快拍极化平滑估计算法(SSPSA)的解相干性能进行了分析,此算法可以用于相干信号的DOA快速估计。...
评级：0 浏览量：94 收藏量：0 资源大小：238KB 上传时间：2021-03-16

: 相干声波信号DOA单快拍矢量平滑估计与跟踪算法本文研究了基于声矢量传感器阵列的相干信号波达方向(DOA)估计和跟踪问题.首先,根据中心对称均匀线阵方向矩阵的平移不变特性,提出了一种增强阵列有效孔径的单快拍矢量平滑估计算法(PVFSIA),该算法可以用于相干信号的...
评级：0 浏览量：141 收藏量：0 资源大小：640KB 上传时间：2021-03-30

: 134-W phase locking of two-dimensional four-fiber lasers with improved self-imaging resonator The coherent output power of the fiber array exceeds 134 W. The entire system operates quite stably, and no thermal effects observe in the spatial filter, indicating that the coherent output power ...
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: Temperature-controlled mode selection of Er-doped random fiber laser with disordered Bragg gratings In this paper, we proposed a way to realize an Er-doped random fiber laser (RFL) with a ... Coherent multi-mode random lasing is obtained with a threshold of between 7.5 and 10 mW and a power efficie
评级：0 浏览量：67 收藏量：0 资源大小：588KB 上传时间：2021-02-07

: Supersymmetric microring laser arrays A coherent combination of emission power from an array of coupled semiconductor lasers operating on the same chip is of fundamental and technological importance. In general, the nonlinear competition ...
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: 113-W in-phase mode output from two ytterbium-doped large-core double-cladding fiber lasers The visibilities of coherent and incoherent stripes are 59% and 6%, respectively. The measured width of the central strip is in good agreement with the calculated result. For in-phase mode, the ...
评级：0 浏览量：72 收藏量：0 资源大小：180KB 上传时间：2021-02-10

: Principles of Spread-Spectrum Communication Systems 3rd Multipath-Resistant Coherent System . . . . . . . . . . . . . . . . . . . . . . . . 141 2.8 Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144 3...
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: Electronics A Systems Approach 6th Edition by Neil Storey- 2017 * A substantial new section has been added on programmable logic devices (PLDs) to replace the limited treatment of array logic in the first edition. * The number of worked examples within the text...
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: A&H IDR-8音频处理器说明 with an extensive array of audio management tools designed to reduce the need for additional devices to be specified for an installation, or carried in the hire inventory. Pedigree ALLEN&HEATH preamps...
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: Efficient Maximum Likelihood DOA amplitudes of known, possibly coherent signals impinging on an array of sensors. The algorithm is an extension of the DEML method of Li et al. that handles coherent multipath that may be present in ...
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: 2D DOA estimation with propagator method for correlated sources under unknown symmetric Toeplitz ... correlated (coherent) sources. This paper assumes a symmetric Toeplitz covariance matrix for the unknown noise model as in [4]. But the proposed algorithm, when compared with [4], has two main ...
评级：0 浏览量：99 收藏量：0 资源大小：214KB 上传时间：2010-07-16

: jflash_s3c2440.linux源代码 The indexs of the pins become coherent with the BSDL file. 3. SAMPLE/PRELOAD is used for initializing outCellValue[]. 4. The array size error is fixed(S3C2440_MAX_CELLS -> S3C2440_MAX_CELL_INDEX+2)...
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: Deep_Space_Optical_communications_2 1.12.4 Optical Receiver and Dynamic Detector Array .......................... 55 1.12.5 Alternate Ground-Reception Systems ......................................... 56 1.13 Mars Laser Communication ...
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jtag linux s3c2440 Toeplitz Noise Efficient Maximum Likelihood IDR-8 Electronics Neil 扩频通信原理阵列信号处理信号处理 sensor array signal processing 研究论文 Lasers fiber erbium 光纤激光激光技术偏振合成坐标变换光束传输 processing; coherent signals; direction-of-arrival spatial uniform linear 脉冲压缩填充因子相位噪声 Laser array; Solid-state laser; grating; Fourier transform Electromagnetic array;Coherent invariance smoothing acoustic vector array;coherent signals;direction arrival;shift property;spa optical