用于低轨卫星扩频通信系统的高动态快捕算法
徐兆斌,谢志强,袁新博,金小军,金仲和

High dynamic fast acquisition algorithm for low orbit satellite spread spectrum communication system
Zhaobin XU,Zhiqiang XIE,Xinbo YUAN,Xiaojun JIN,Zhonghe JIN
表 2 捕获算法的性能指标对比
Tab.2 Performance metrics comparison of acquisition algorithm
算法${\text{DO}}{{\text{P}}_{\text{R}}}/{\mathrm{kHz}}$$T/{\mathrm{s}}$${f_{\mathrm{D}}}/{\mathrm{Hz}}$fmin/dB
传统算法$ \pm 70$$ < 1.2$$1.0\sim 2.0$−128
改进算法$ \pm 70$$ < 0.8$$1.0\sim 2.0$−130