subarray
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网络 子数组的提取; 子阵列; 子数组; 子阵; 自阵列
双语例句
- The expressions are derived which relate the cumulative probability of sidelobe to the range of element position errors, subarray position errors and a phase error in each element.
对于采用自定位设计的模块化天线阵，推导了单元位置误差和子阵位置误差的取值范围与天线副瓣累积概率的关系，以及相位误差与天线副瓣累积概率的关系。 - Study on digital beam scanning method at subarray level for phased array
相控阵的子阵级数字波束扫描方法研究 - The simplified array manifold based on approximate ideal subarray patterns was constructed.
构造了基于近似理想子阵方向图的简化阵列流形。 - An Improved Two-Stage Processing Approach of Adaptive Monopulse at Subarray Level
一种改进的两级子阵级自适应单脉冲方法 - DOA Estimation Based on Subarray Dividing and Interpolated ESPRIT Algorithm on a Cylindrical Conformal Array
基于子阵分割和虚拟内插ESPRIT算法的圆柱共形阵DOA估计 - Research of Using Overlapping Subarray Architecture For Sidelobe Reduction of Wide Band Array Antenna
子阵叠加结构降低宽带阵列副瓣电平方法研究 - Study on Space-Time Adaptive Monopulse Method at Subarray Level
子阵级空时自适应单脉冲方法的研究 - The pattern control approaches of adaptive different beam at subarray level
子阵级自适应差波束的方向图控制方法 - A Subarray partition approach for Wide Digital Array Radar
一种宽带数字阵雷达的子阵划分方法 - The mathematics model of MUSIC at subarray level was proposed and simplified array manifolds were adopted.
提出了子阵级MUSIC的数学模型并应用了简化的阵列流形。 - Simulation results show that besides aperture distribution at element level and subarray level, the overlap ratio mainly decides the sidelobe performance.
仿真结果表明在子阵叠加结构中，除了在子阵级和单元级使用加权分布降低副瓣电平外，子阵叠加比决定了阵列的副瓣性能。 - A subarray dividing approach to space time adaptive processing is presented.
提出了一种适用于空时自适应信号处理的子阵划分方法。 - In this paper, we apply the subarray smoothing technology to the CAB algorithm.
研究了子阵空间平滑自适应阵列方法对CAB算法性能的改进。 - Post-processing the subarray outputs by introducing weighting network makes the array processing more flexible.
通过引入加权网络对子阵输出进行后处理，提高了阵列处理的灵活性； - In this paper, the application of overlapped subarray and its important role in beam forming network are introduced.
介绍了重叠子阵在波束形成网络中的作用和意义。 - This paper analyses the pattern function of DBF in subarray. The designing method for directivity pattern is given and the condition of producing the grating lobe is discussed.
详细分析了由子阵构成的DBF的方向性函数特性，给出了方向图的设计方法，并讨论了其栅瓣产生的条件。 - The method can correct the mismatch inside a channel and among channels, and is also suitable for both DBF in array element and DBF in non-uniform subarray.
该方法可对通道内和通道间的失配进行校正，且对由阵元构成的DBF和子阵DBF均适用。 - In this method, groups of symmetric subarray are defined in an uniform linear array and their output covariance matrices are combined. By making use of rotational invariance technique, the directions of arrival for coherent signals are effectively estimated.
该方法通过阵列数据矩阵的变换和对称子阵列协方差矩阵的组合，并利用旋转不变技术有效地实现了相干信号到达方向的估计。 - We analyze the pattern function of DBF in subarray under the ideal condition and with channel mismatch, and give the pattern functions of sum and difference beam. We correct the reception channel mismatch by using the channel equalization method.
本文分析了子阵DBF在理想通道条件及通道失配情况下的方向性函数，给出了其和差波束方向性函数特性。 - The method based on simplified array manifold with the ideal subarray patterns is constructed which can overcome the limitation of the one based on direct simplified array manifold that the available region of direction estimation can't be adjusted and suppress sidelobe sources better.
构造了基于理想子阵方向图的简化阵列流形，克服了直接简化阵列流形方法的测向范围无法调整的局限性，并能更好地抑制旁瓣源。 - This paper discusses the digital beamforming technology in subarray, analyses the cause of producing the grating nulls and grating spectrum, and presents a way to eliminate the grating nulls.
本文讨论了子阵级的数字波束形成（DBF）技术的特点，分析了产生栅零点和栅谱现象的原因，提出了克服栅零点的不均匀子阵划分法。 - Design of Overlapped Subarray in Beamforming Network
波束形成网络中重叠子阵的设计 - Finally, a modified Planar SubArray Processing ( PSAP) algorithm is presented. It improves the computation efficiency by solving the problem of large data overlapped ratio of PSAP algorithm in UWB-SAR imaging.
最后提出了一种改进的平面子孔径处理（PSAP）算法，解决了在UWB-SAR成像处理时，PSAP算法处理的数据交叠比很大的问题，提高了计算效率； - Subarray optimization criterion and method are also discussed.
讨论了子阵列天线选择优化问题。 - Study on Adaptive Digital Beamforming at Subarray Level
子阵级自适应数字波束形成方法研究 - A new subarray parallel LCMV algorithm is presented.
针对大型阵列的特点，提出了一种新的自适应波束形成算法&分块并行的LCMV算法。 - Firstly, considering that the spatial domain DOF of the collocated MIMO radar is large, and the typical rank reduced STAP method-mDT method can not be used directly, a subarray domain mDT method is presented.
首先，针对集中式MIMO雷达空域自由度很大，典型的降维STAP方法mDT方法无法直接使用的问题，提出了一种子阵级mDT方法。 - Therefore, digital weighting is adopted further at subarray level in order to approximate the effect of conventional taper.
为此，在子阵级进一步采用数字加权，以逼近常规加权的效果，从而大大改善了旁瓣性能。 - Based on that, array weighting and subarray configuration are combined for optimizing with single target GA, and an approach for suppressing sidelobe of adaptive pattern by optimization, with the performance of SINR analyzed.
在此基础上，应用单目标遗传算法对阵列加权和子阵结构进行了联合优化，通过优化找到一种抑制自适应方向图旁瓣电平的方法，同时对SINR的性能进行了分析。 - All these demonstrate the correctness of using GA for subarray segmentation in plane phased array.
对提出的各种方法进行了计算机模拟仿真，以及结果分析，证明了利用遗传算法对于平面相控阵进行子阵划分结果的正确性。