| 1. | 3 . the algorithms for generating spaceborne sar raw signals are explored
3 .讨论了星载sar回波信号生成算法。 |
| 2. | The problem for simulation of sar raw signal and the terrain - echo simulation are discussed . the principle of high resolution imaging is analysed
论文从建立合成孔径雷达回波模型入手，分析了合成孔径雷达高分辨率成像的基本原理。 |
| 3. | 4 . based on the raw data simulation algorithm , a method of developing distributed target ' s raw signal simulator of spaceborne sar is given
本文在星载sar分布目标原始数据模拟方法基础上，提出了一种星载合成孔径雷达分布目标回波模拟源的实现方法。 |
| 4. | The raw signal simulator , which could generate the real - time echoes of distributed target , is divided into two parts : software and hardware platforms
软件模块的功能是生成星载sar分布目标原始数据，而硬件模块的功能是实时的把离散的原始数据转换成模拟的射频输出信号。 |
| 5. | It commences from review of the theory of sar high resolution in the text , the fundaments and computation procedures of two algorithms for sar raw signal generation ? ? rtpc , 2dfft are introduced
文中从回顾sar高分辨原理入手,介绍了距离时域脉冲相干法和二维频域快速傅氏变换法这两种回波信号生成算法的基本原理和计算步骤。 |
| 6. | The dissertation investigated the problem for simulation of sar raw signal , focusing on the terrain - echo simulation and imaging algorithm . large quantities of raw data which leads to valuable conclusion has been made
本文围绕sar原始信号仿真展开研究，讨论模拟合成孔径雷达地面回波的产生和成像算法，生成回波数据，得到满意的成像结果。 |
| 7. | At the end of this paper a hardware simulator of sar raw signal is introduced . the system of radar equipment , the system of signal disposal and the system of raw echo signal simulation are analysed
最后分析了一种合成孔径雷达地面模拟实验系统。对机载雷达设备模拟实验子系统、地面信号处理模拟实验子系统和合成孔径雷达原始回波模拟实验子系统分别进行了详细的介绍。 |
| 8. | This dissertation investigated the problem for simulation of sar raw signal , focusing on the terrain - echo simulation and the product of echo data . we also discussed the influences of typical errors for the point target model and got the more real echo of point target model
本文围绕sar原始信号仿真展开研究,讨论合成孔径雷达地面回波的产生,产生回波数据,并针对点目标分析了影响回波的几种典型误差,得到了更为真实的点目标回波。 |
| 9. | The simulation method of point - target , 2 - d target and 3 - d target was given in an airborne - sar side - glance condition . then the computer program was developed and some good imaging were obtained . in brief , the dissertation will be favorable to the development of sar raw signal
根据所建立的仿真模型，给出了机载sar正侧视情况下点目标、面目标和三维目标的原始信号仿真方法，编写了原始信号仿真和成像处理的程序，得到了各种目标的仿真雷达图像。 |
| 10. | This thesis has studied the sar raw signal simulator scheme of distribute targets . by comparing of the theories and designs of in existence simulators and combining of the simulated sar raw data of ocean surface , we improved the former scheme of distribute targets simulator . the new scheme is more flexible than the old one
论文开展了分布目标回波模拟器的方案研究，对比了已有的回波模拟器的原理和基本方法，并结合作者研究海面sar回波信号的结果，对前人的分布目标回波模拟器的方案进行了改进，使之具有更大的灵活性。 |
