extended target meaning in English
扩展的目标
展开目标
Examples
- The next step is to extend targeted marketing beyond campaigns to other contacts
下一步是通过销售活动以外的方式与客户接触，从而拓展目标市场。 - We use different algorithms on different sar target model which contains point target , point array target and extend target to generate raw echoed data , then image them with range - doppler algorithm separately
对不同sar目标模型如点目标、点阵目标和分布目标运用不同的回波信号生成算法生成了原始回波数据,并用rd算法对其分别进行了成像。 - The simulation experiment results of real airborne stripmap sar system parameters indicated that , the simulating measures we adopt are efficient and authentic . implement of large extend target simulation with the algorithm of 2dfft can attain high calculation efficiency and have applied value in a certain extent
对机载条带式sar真实系统参数的仿真实验结果表明,本文对不同目标模型采用不同的算法生成sar回波数据,成像后的指标均能达到图像质量基本要求,所采用的仿真方法有针对性,真实有效。 - Aiming at the restrictions of fft methods , this paper put forward a transform naming changing scale discrete chirp - fourier transform and applied it to detecting accelaration target using missle - borne high - prf pulsed doppler radar , at last this paper put forward a new sequential detection method . in the third part of this paper , aiming at the different characteristic of the extended target spectrum , this paper discussed the detecting and precised measuring the extended spectrum of the target
针对传统fft对加速目标进行积累检测时的局限性，提出了一种变尺度离散chirp ? fourier变换并将其应用于弹载高重频脉冲多普勒体制雷达对加速运动目标的检测背景中，提出了一种对加速运动目标的序贯检测算法。 - Abstract : the characteristics of wavelet transform and its significance in image edge extraction are presented . the detailed steps for the extended target centroid calculation with wavelet transform are described . extracting target ( airplane ) centroid coordinates when airplane images are in the background noise conditions with different image fuzzy degrees by using wavelet transform , the extracting accuracy for target centroid coordinates under the different image fuzzy degrees and background noise conditions are compared . the application prospect of wavelet transform in the extended target tracking is shown
文摘:介绍了小波变换的特点及其在图象边缘提取中的意义,说明了扩展目标用小波变换进行目标形心计算的详细步骤,并以飞机图象为目标在不同图象模糊程度及背景噪音情况下用小波变换进行了目标形心坐标提取,比较了不同图象模糊程度及背景噪音情况下目标形心坐标提取的精度,展示了小波变换在扩展目标跟踪技术中应用的前景。