| Doppler estimating and compensating method based on phase | |
| Alternative Title | Doppler estimating and compensating method based on phase |
| Chen Gang1; Zhao Zhengyu1; Nie Xuedong2; Shi Shuzhu1; Yang Guobin1; Su Fanfan1 | |
| 2009 | |
| Source Publication | JOURNAL OF SYSTEMS ENGINEERING AND ELECTRONICS
 |
| ISSN | 1004-4132 |
| Volume | 20Issue:4Pages:681-686 |
| Abstract | According to the Doppler sensitive of the phase coded pulse compression signal, a Doppler estimating and compensating method based on phase is put forward to restrain the Doppler sidelobes, raise the signal-to-noise ratio and improve measuring resolution. The compensation Method is used to decompose the echo to amplitude and phase, and then compose the new compensated echo by the amplitude and the nonlinear component of the phase. Furthermore the linear component of the phase can be used to estimate the Doppler frequency shift. The computer simulation and the real data processing show that the method has accurately estimated the Doppler frequency shift successfully restrained the energy leakage on spectrum, greatly increased the echo signal-to-noise ratio and improved the detection performance of the radio system in both time domain and frequency domain. |
| Other Abstract | According to the Doppler sensitive of the phase coded pulse compression signal,a Doppler estimating and compensating method based on phase is put forward to restrain the Doppler sidelobes,raise the signal-to-noise ratio and improve measuring resolution.The compensation method is used to decompose the echo to amplitude and phase,and then compose the new compensated echo by the amplitude and the nonlinear component of the phase.Furthermore the linear component of the phase can be used to estimate the Doppler frequency shift.The computer simulation and the real data processing show that the method has accurately estimated the Doppler frequency shift,successfully restrained the energy leakage on spectrum,greatly increased the echo signai-to-noise ratio and improved the detection performance of the radio system in both time domain and frequency domain. |
| Keyword | SYSTEMS ionosphere Doppler estimation Doppler compensation phase |
| Indexed By | CSCD |
| Language | 英语 |
| CSCD ID | CSCD:3650958 |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.imr.ac.cn/handle/321006/153210 |
| Collection | 中国科学院金属研究所 |
| Affiliation | 1.武汉大学 2.中国科学院金属研究所 |
| Recommended Citation GB/T 7714 | Chen Gang,Zhao Zhengyu,Nie Xuedong,et al. Doppler estimating and compensating method based on phase[J]. JOURNAL OF SYSTEMS ENGINEERING AND ELECTRONICS,2009,20(4):681-686. |
| APA | Chen Gang,Zhao Zhengyu,Nie Xuedong,Shi Shuzhu,Yang Guobin,&Su Fanfan.(2009).Doppler estimating and compensating method based on phase.JOURNAL OF SYSTEMS ENGINEERING AND ELECTRONICS,20(4),681-686. |
| MLA | Chen Gang,et al."Doppler estimating and compensating method based on phase".JOURNAL OF SYSTEMS ENGINEERING AND ELECTRONICS 20.4(2009):681-686. |
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