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- Broadband of Unequally Spaced Linear Arrays with Frequency Invariant Beam Pattern 具有频率不变波束图的非均匀线列宽带基阵设计
- unequally spaced linear arrays 非均匀直线阵列
- Discrete fourier transform ( DFT) was introduced into the spatial domain signal processing to analyse and process the uniformly spaced linear array signals, and a method to extract the DOA of signal was presented. 将离散傅里叶变换(DFT)引入到空域信号处理中;对等距线阵接收的信号进行了分析和处理;提出了一种提取信号来波方向的方法.
- Fourier Transformation of uniformly spaced linear array signals 等距线阵信号傅里叶变换研究
- Unequally spaced sampling is introduced in order to get higher resolution in image central part and wider view field. 若窗口太小,则会导致目标偏离窗口,也会引起误判。
- The method can effectively raise the efficiency and improve the quality of turning unequally spaced threads. 该方法适用于加工螺距按各种运动类型曲线变化的螺纹。
- It is demonstrated that the application of DQM to the solution of the oth-order governing equation with unequally spaced sampling points is successful. 在此基础上，本文还研究了若干参数对其临界流速的影响。
- The effects of unequally spaced IGV and stator blades on the sound generated by IGV wake-rotor interactions are analyzed by solving the generated Lighthill equations. 在动叶栅距不变的情况下，采用管道声学模型计算和分析了导叶和静叶栅距的改变对转子噪声的影响，比较了各种结构下静转干涉噪声的大小和传播情况。
- spaced linear array 分集线性阵列
- This paper introduces a new method of turning unequally spaced threads by using cam slot with automatic guiding converting cylindrical cam and automatic tool retracting unit for turning thread. 介绍了利用具有自动导向的转换圆柱凸轮轮槽和螺纹车削自动退刀装置进行不等距螺纹车削的新方法，应用该方法能有效地提高不等距螺纹的加工效率和加工质量。
- An adaptive algorithm is applied to pattern synthesis of linear arrays with mutual coupling, which is of great practical significance. 应用一种自适应算法进行天线阵方向图综合，把阵元间的互耦考虑在内，具有很强的实际意义。
- By 8-ary uniform linear arrays the performance of transmit diversity based on beams in the channel above were conducted to simulate and analyze. 基于八元均匀线阵，对于不同信道情况下的基于波束的发射分集性能进行了数字仿真计算和分析。
- Synthesis of Unequally Spaced Arrays by Genetic AlgorithmCombined with Simulated Annealing 基于整体退火遗传算法的不等间距天线阵的综合
- DESIGN OF UNEQUALLY SPACED THINNED ARRAYS BASED ON GENETIC ALGORITHM AND SIMULATED ANNEALING 基于遗传算法和模拟退火的不等间距稀布阵的设计
- Firstly, the covariance matrix of output of the two linear arrays is computed to construct the enhanced matrix by MEMP method, and to estimate the two-dimentional DOA by the ESPRIT method. 计算两个均匀线阵的互协方差矩阵，利用MEMP方法构造增广矩阵，运用ESPRIT算法实现二维波达方向的估计，并采用一种新的配对算法，实现二维波达角的自动配对。
- It could convert the complicated 2-D processing into three simple 1-D processings.This algorithm utilizes the 1-D DOA which is estimated by the three collateral linear arrays respectively. 该算法将复杂的二维处理问题转化为3个简单的一维问题，通过组合3个并行的均匀线阵分别估计出一维波达方向进行空间测向。
- The design of the linear array detector and Cassegrainian optics is the critical part of the work. 该项技术研究的关键是线阵列探测器和卡氏光学系统的设计。
- A modified arc array sidelobe canceller design verified that these conclusions are applicable to not only linear arrays but also arbitrary arrays. 对一个弧形阵列旁瓣对消器的改进设计验证了该结论可以从线阵推广到任意阵列。
- Snow scattered unequally over the mountainside. 雪不均匀地散落在山腰上。
- An on-line real-time measurement system based on linear array CCD( charge-coupled device) technique was introduced. 介绍用线阵电荷耦合器件(CD)术设计的型材在线实时测量系统。
