| 摘要: |
| 对低信噪比下直接序列扩频(DS／SS)信号的检测和估计提出了一种新的改进思路。在通常数值处理前加设一预处理模块，该模块能改善白噪声背景下信号的信噪比，从而为进一步提高低信噪比信号检测与估计的能力给出了一条新的途径。 |
| 关键词: 直接序列扩频信号 信号检测 信号估计 白噪声 信噪比 卡尔曼滤波 |
| DOI：10.3969/j.issn.1001-893X. |
|
| 基金项目: |
|
| Improvement of Detection and Blind Estimation of Direct Sequence Spread Spectrum Signal |
|
| () |
| Abstract: |
| A new improved idea of detection and blind estimation of direct sequence spread spectrum signal in low SNR is presented. A pre-processing module is put before normal numerical processes, which can mend SNR of imput signal in white noise. So a new approach to improve the ability of detection and blind estimation of signal in low SNR is given. |
| Key words: DS/SS signal,Kalman filter,Signal detection |
