| 1. | Wide dynamic range compression
宽动态范围压缩 |
| 2. | The kernel of this method is the emendation of the across moving range bin , which combines the emendation and the range compression
这种方法的核心是校正越距离单元走动，它是把走动校正跟距离压缩结合起来做。 |
| 3. | It multiplies a gene with liner phase relating to the number of pulse by the frequency region reference function of range compression
其方法是在距离脉冲压缩的频域参考函数上乘一个与脉冲数有关的线性相位因子。 |
| 4. | The improved algorithm based on split radix fft meet the real time demand of range compression node and remove the effect of pulse compression result for the overflow
与传统的基2 、基4算法相比，该算法满足距离压缩节点的实时性能要求，同时解决了由于溢出对脉冲压缩结果的影响。 |
| 5. | The platform implements the signal processing dataflow of range - doppler algorithm such as range compression , clutter lock , azimuth preprocessing and azimuth processing . this paper derives that multiplying 1 / 2 factor can avoid fixed - point overflow
该平台能完成r - d算法中的距离向脉冲压缩、杂波锁定、方位向预处理及方位处理功能本文针对定点分裂基fft算法，推导出加入1 2衰减因子可以避免定点运算时产生的溢出。 |
| 6. | Considering the huge data and long simulating time , this dissertation employed the distributed simulation high level architecture , thus reduced the simulating time and improved the simulation efficiency through real time range compression and parallel azimuth compression carried out on two computers
针对星载sar数据量大,仿真时间长。本文采用基于hla的分布式设计,通过采用距离压缩实时处理和方位压缩由两台计算机同时处理的方法减少仿真时间,提高了仿真效率。 |
