sparse array
英 [spɑːs əˈreɪ]
美 [spɑːrs əˈreɪ]
网络 稀疏数组; 稀疏数组阵列; 稀疏矩阵; 稀疏阵; 稀疏阵列
双语例句
- Study on the Synthesis of Sparse Array by Hybrid Genetic Algorithm
基于混合遗传算法的稀布阵列天线综合技术研究 - Analysis of Amplitude and Phase Errors on STAP for Multi-Carrier-Frequency Space Based Sparse Array Self-Calibration of Channel Errors for Bistatic HF Surface Wave SIAR
天基多载频稀疏阵STAP方法的幅相误差影响双基地高频地波SIAR通道幅相误差的自校准方法 - A Sparse Circular Array Method Based on Combination of Two Modified Algorithms
两种改进算法相结合的圆阵稀布方法 - A High-Resolution DOA Estimation Based on Sparse Array Dimensions Descending A Method of Disassembling Assur-Groups for Identifying and Modelling by Computer
一种基于稀布降维处理的高分辨测向方法适于计算机辨识建模的杆组拆分方法 - Imaging Quality of Double-Circle Sparse Aperture Array Configuration
稀疏孔径双圆周阵列的成像性能研究 - Effect of Amplitude-phase Errors on the Performance of Sparse Array Amen
幅相误差对稀疏阵天线性能的影响 - Phase coded signals used in sparse array synthetic impulse and aperture radar
相位编码信号在综合脉冲孔径雷达中的应用 - Studies of Antenna Subarray Division in Sparse Phased Array Radar
稀布相控阵雷达子阵划分方法研究 - Three-kind methods of impulse synthetic processing in time-domain. frequency-domain and time-frequency-domain for sparse-array synthetic impulse and aperture radar ( SIAR) are described on the basis of wideband model.
在宽带信号模型基础上介绍了稀布阵综合脉冲孔径雷达（SIAR）的时域、频域和时频域三种脉冲综合方法。 - Methods Based on MPI to Pass Multidimensional Sparse Array in Cluster
机群系统中基于MPI的多维稀疏数组传递方法 - Using space based sparse array for ground moving target indication is attractive. Unfortunately, range, Doppler and angle ambiguities usually occur with space based sparse array.
天基稀疏孔径实现地面运动目标指示（GMTI）具有很大吸引力，然而天基稀疏阵通常存在距离、多普勒和角度模糊。 - This paper begins with a discussion of the anti interference performance of sparse array synthetic impulse and aperture radar ( SIAR), followed by an introduction of the application of adaptive interference cancellation in it.
本文首先讨论稀布阵综合脉冲孔径雷达（SIAR）的抗干扰性能，表明该雷达在抗干扰方面手段丰富，抗干扰能力强。然后介绍自适应置零处理在SIAR中的应用。 - This multi-dimensional storage structure takes the characteristics of the large amount and highly sparse multi-dimensional array into consideration fully, and a new distributing and compressing method for the multi-dimensional array is adopted.
在物理存储时充分考虑了多维数组的大容量和高稀疏度的问题，并采用新的多维数组的分布和压缩方法。 - This paper discusses the interface for message passing, puts forward several available methods to pass multidimensional sparse array between nodes, which are compared with each other by practice.
该文主要探讨了MPI中的消息传递调用接口，提出了几种有效的在结点间传递多维稀疏数组的方法，并通过实践加以比较。 - Method of Synthetic Impulse of Large Random Sparse Array
大型随机稀布阵列雷达的脉冲综合方法及其性能 - Ground moving targets indication ( GMTI) is an important application of spaceborne distributed radar. Distributed sparse array in space can improve the MTI performance with increased virtual aperture.
地面动目标检测（GMTI）是星载分布式雷达的重要应用之一，利用星载稀疏阵可增加系统虚拟孔径，以改善动目标检测性能。 - The Study of Moving Targets Indication for Scanning Pattern Interferometric Radar of Spaceborne Sparse Array
星载稀疏阵扫描模式干涉雷达动目标检测研究天基稀疏阵杂波自由度分析 - Finally, two kinds of subarray division are given by the property of sparse antenna array: regular arranging and fixed number of antenna elements in the subarray.
最后根据稀布阵的特点，提出了两种子阵划分方法：子阵单元规则排列法和子阵单元数一定法。 - A method of accurate measurement of the range, azimuth and elevation of a target is developed under the background of strong interference for sparse array synthetic impulse and aperture radar ( SIAR). Computer simulation results show this method is effective.
本文在第一部分的基础上进一步介绍稀布阵综合脉冲孔径雷达（SIAR）在强干扰背景下对目标的距离、方位和仰角进行精确测量与跟踪的方法，通过计算机模拟证明了该方法的有效性。 - The Structural Design of the Sparse Antenna Array
稀疏阵列天线结构设计 - As an unequal and sparse line array, its space is arbitrary and not restricted by half-wavelength.
采用非等距稀疏直线阵，阵元之间的间距任意，不受半波长的限制。 - Then, pattern synthesis for sparse array antenna using genetic algorithms is researched.
分析讨论了遗传算法在综合稀疏相控阵方向图综合中的应用。 - Sparse antenna array is the array whose elements are non-uniformly distributed in the array aperture.
稀布天线阵列是指阵元在阵列孔径内非均匀排布的阵列。 - Then the near-field sparse array is obtained by minimizing the simplified energy function.
对简化后的近场能量函数进行最小化寻优运算，从而获得满足近场需求的稀疏换能器阵列。 - Under the condition of the same number of elements, the aperture of sparse antenna array is larger than uniform antenna array with the same geometric structure. So sparse antenna array has more narrow scanning beam and better spatial resolution.
当阵元数目相同时，稀布阵列比具有相同几何结构的均匀阵列拥有更大的孔径，从而得到更窄的扫描波束，提高了阵列的空间分辨率。 - The GMTI of space based sparse array scanned pattern interferometric radar ( SPIR) has been thought to fail when there are ambiguities in azimuth.
在天基稀疏孔径阵列雷达系统设计中，人们认为波束扫描干涉模式下的GMTI受方位多普勒模糊的限制。 - The array shape optimization of a sparse array was studied in this thesis.
本文主要研究了稀疏阵列的阵形优化问题。 - In particular, for the particular application scenario of sparse arrays, the proposed algorithms directly illustrate the aperture extension capacity of the sparse array, and do not require the construction of augmented covariance matrix for DOA estimation. 3.
特别地，对于稀疏阵这一特殊应用场景，所提算法很好地阐述了稀疏阵的孔径扩展能力，且不需要构造增广协方差矩阵。 - The part of article firstly builds the equivalent relationships between sparse array and polynomial, polynomial multiplication and spatial convolution of transmiting array and receiving array, thus polynomial theories can be utilized for radar array design.
文章首先提出了将稀疏阵列与多项式一一对应的思想，然后把多项式乘积与收发阵列空间卷积关系进行等效，再利用多项式的一些理论设计阵列。 - Compared with full array, sparse array can lower construction cost, reduce complexity of the system, and ultimately satisfy engineering needs.
同满阵相比，采用稀布阵列天线能够在减少天线阵列建造成本、降低系统复杂度的同时，满足工程要求。