| 摘要: |
| 提出了一种适用于超短波航空信道条件下的具有多普勒频移校正功能的多相差分(DnPSK)调制解调器,分析了超短波信道下多普勒频移的特性及对信息传输的影响,给出了适用于突发格式的多普勒频移校正方法以及具有频差校正功能的差分解调算法。 |
| 关键词: 超短波航空通信,多普勒频移校正,调制解调器,差分解调算法 |
| DOI：10.3969/j.issn.1001-893X. |
| Revised:July 03, 2003 |
| 基金项目: |
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| A DnPSK MODEM with Doppler Correction Function |
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| Abstract: |
| A Differential n-ary Phase Shift Keying(DnPSK) MODEM with Doppler correction function suitable for airborne VHF channel is studied.The Doppler's characteristics on VHF channel and the effect on data transmision are analyzed.The algorithm for Doppler correction and differential demodulation is given. |
| Key words: Airborne VHF communication,Doppler correction,Modem,Differential demodulation algorithm, |
