ID | 原文 | 译文 |
10914 | 首先从原始数据中分别提取目标的距离向、方位向信息; | First, respectively, from the original data to information to extract target distance, azimuth. |
10915 | 然后单独将方位信息归一化之后使用门限检测实现了对方位向虚假目标的抑制; | And then separate the azimuth information normalized after using threshold detection implements the other party to the inhibition of false target. |
10916 | 最后结合距离向信息与方位向信息得到了成像结果。 | Finally combined with the distance to the information and location information to the imaging results were obtained. |
10917 | 仿真成像实验证明,该方法能使得成像结果中的虚警概率明显降低,外场实验的成像结果进一步验证了所提出算法出色的成像性能。 | Imaging simulation experiments show that this method can make the imaging results of significantly lower false alarm probability, a field experiment of imaging results further verify the good imaging performance of proposed algorithm. |
10918 | 传统修正的偏置相位中心近似方法往往忽略距离历程近似误差的方位空变性,使得基于该方法的成像算法重建的图像出现近距离散焦和方位向偏移现象。 | Traditional fixed bias phase journey distance approximation methods tend to ignore the center of the approximation error of azimuth empty degeneration, and makes the imaging algorithm based on the method of reconstruction images appear close discrete focal to offset and azimuth phenomenon. |
10919 | 为解决该问题,该文对修正的偏置相位中心近似方法进行改进,将双根号形式距离历程表示为类收发合置项、距离空变项和方位空变项之和的形式,有效提高了距离历程的近似精度; | To solve this problem, this paper modified phase center offset approximation method was improved, the double square root form distance journey represented as classes transceiver or buy items, empty variable distance and azimuth of the sum of the empty variable form, effectively improve the approximation precision of the distance course; |
10920 | 在利用驻定相位原理求取方位向驻定相位点的过程中,通过充分考虑距离历程方位空变性的影响,推导了更为精确的方位向驻定相位点,有效提高了点目标响应二维谱的准确性。 | In use standing phase principle to calculate the bearing to standing in the process of phase points, by fully considering the influence of the distance course bearing empty degeneration, more precise azimuth was deduced to standing phase points, effectively improve the accuracy of the two-dimensional point target response spectrum. |
10921 | 在此基础上,提出一种适用于高分辨多子阵合成孔径声呐成像的距离多普勒算法。 | On this basis, put forward a kind of consistency condition is suitable for high resolution array synthetic aperture sonar imaging range doppler algorithm. |
10922 | 仿真试验和实测数据成像结果验证了该算法的有效性。 | Simulation test and the measured data imaging results demonstrate the effectiveness of the proposed algorithm. |
10923 | 方向图可重构天线能够根据实际需要实时改变阵列天线的方向图,稀疏天线阵在满足方向图要求的前提下可以有效降低天线设计的复杂度。 | Pattern reconfigurable antenna can according to the actual need to change the direction of antenna array, real-time sparse antenna array on the premise of meet the requirements of pattern can effectively reduce the complexity of the antenna design. |