Application of microwave six-port in software radio
Common formulas of six-port demodulation orthogonal modulation signals was educed. The results of simulation in demodulation QPSK, 16QAM, π/4QPSK modulation signals are well agreement with the theory analysis. Moreover, the influence of the character of 90°hybrid bridge in six-port was studied. For...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | zho |
| Published: |
Editorial Department of Journal on Communications
2005-01-01
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| Series: | Tongxin xuebao |
| Subjects: | |
| Online Access: | http://www.joconline.com.cn/zh/article/74667035/ |
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| Summary: | Common formulas of six-port demodulation orthogonal modulation signals was educed. The results of simulation in demodulation QPSK, 16QAM, π/4QPSK modulation signals are well agreement with the theory analysis. Moreover, the influence of the character of 90°hybrid bridge in six-port was studied. For QPSK signal , the result imply demodulation characteristic degrade less 0.5dB when amplitude unbalance is less than 0.3dB and phase unbalance is less than 3°. |
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| ISSN: | 1000-436X |