二维面的英文

例句与用法

1. The research of adaptive digital beamforming ( adbf ) system for 2d planar array will be one of the emphases of digital radar
   二维面阵收发自适应数字波束形成系统的研究将是今后数字化雷达研究的热点之一。
2. Although it is usual to think of the object as three - dimensional , mathematicians consider only the surface of these objects ? which are two - dimensional
   尽管人们平常都会把物体认作是三维体，然而数学家们所考虑的只是物体的表面? ?那些二维面。
3. As a technology of three - dimensional storage , volume holographic storage is different from traditional two - dimensional storage . it has unique dominance in storage capability , speed of data transferring and so on
   体全息存储作为一种三维存储技术,有别于传统的二维面存储技术,它在存储容量、数据传输速率等方面具有独特优势。
4. Vertical - cavity surface - emitting lasers ( vcsel ' s ) have distinct advantages over conventional edge emitting lasers , such as small divergence angle , single longitudinal mode operation and very low threshold current . they are especially suitable for making two - dimensional ( 2 - d ) arrays as well as vcsel ' s based integrate devices
   垂直腔面发射半导体激光器( vcsel )与传统的边发射半导体激光器相比，它具有发散角小、单纵模工作、非常低的阈值电流等优点，尤其它适于二维面阵集成和与其它光电子器件集成。
5. Dbf algorithms for 2d planar array based on the algorithms for 1d array are discussed in this paper . the author ' s main contributions include research of the adaptive digital beamforming algorithm , which control both amplitude and phase of each array element : diagonal loading qrd - smi algorithm . research of two phase - only dbf algorithms : small phase perturbation restriction algorithm and maximum gain of the expected direction restriction algorithm
   面阵的数字波束形成算法是面阵dbf技术的关键，本文在现有的一维数字波束形成算法基础上，研究了二维面阵的数字波束形成算法，主要工作有：面阵的幅度相位全控制自适应数字波束形成算法? ?对角加载qrd - smi算法的研究；两种面阵唯相位( phase - only )数字波束形成算法? ?小相位扰动约束算法和期望方向增益最大约束算法的研究；面阵的数字多波束形成算法? ?二维fft多波束的研究，以及fft在可编程逻辑器件中的实现。