| 用最小二乘法恢复逐行倒相副载波 |
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| 引用本文： | 孔壮,刘巨昌.用最小二乘法恢复逐行倒相副载波[J].电视技术,1997(9):39-41. |
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| 作者姓名： | 孔壮 刘巨昌 |
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| 作者单位： | 国防科技大学三系３０２教研室 |
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| 摘 要： | 介绍ＰＡＬ制彩色全电视信号中色同步信号编码原理及恢复逐行倒相副载波的过程中，两种计算色同步信号相位角的方法。并且在实验的基础上得出：最小二乘法在ＰＡＬ制电视信号的副载波相位角计算中不仅可以满足精度要求，而且简便灵活。
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| 关 键 词： | 色同步信号 逐行倒相副载波 电视信号处理 |
Using least square method to recover PAL subcarrier |
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| Kong,Zhuang,et,al.Using least square method to recover PAL subcarrier[J].Tv Engineering,1997(9):39-41. |
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| Authors: | Kong Zhuang et al |
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| Affiliation: | Kong Zhuang et al |
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| Abstract: | This paper introduces the encoding principle of colour sychronizing signal in complete PAL colour TV signal,and two methods for calculating the phase of colour synchronizing signal in the process of recovering line to line inverting subcarrier.Based on experiements it is concluded that the least square method is not only accurate,but also simple and convenient. |
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| Keywords: | Colour synchronzing signal Line to line inverting subcarrier Least square method |
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