Abstract
Velocity measurement and compensation are the key techniques of high resolution radar signal processing. Nowadays two kinds of signals usually are simultaneously utilized in the radar system: the narrow-band signal for measuring velocity and the wideband signal only for imaging, which lead to more complexity and lower efficiency. A novel method for velocity measurement based on high resolution range profile cross-correlation is proposed firstly. Two modes defined as real envelope cross-correlation and complex envelope cross-correlation are brought forward in detail, and the theoretical performance is presented. Both theory analysis and simulation show that although range profile with serious spreading and distortion, complex envelope cross-correlation processing can still receive high accurate estimation and good anti-noise performance without rough motion compensation. It can make some crucial functions such as real-time independent velocity measurement and compensation possible.
| Original language | English |
|---|---|
| Pages (from-to) | 2112-2115 |
| Number of pages | 4 |
| Journal | Xi Tong Gong Cheng Yu Dian Zi Ji Shu/Systems Engineering and Electronics |
| Volume | 30 |
| Issue number | 11 |
| Publication status | Published - Nov 2008 |
Keywords
- Complex envelope
- Cross-correlation
- High resolution range profile
- Motion compensation
- Real envelope
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