| 相位检测频率系统的设计 |
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| 引用本文： | 李云红.相位检测频率系统的设计[J].舰船电子工程,2009,29(4):171-173. |
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| 作者姓名： | 李云红 |
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| 作者单位： | 吉首大学物理科学与信息工程学院,吉首,416000 |
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| 摘 要： | 提出一种新的相位重合检测技术测量频率,相位重合检测技术是用被测信号和标频信号的相位重合点来触发测量闸门,使测量闸门信号不仅与被测信号,而且与标频信号都同步,这种方法消除了一般测频系统中的±1字的误差,并且实现宽频率范围内的高精度测量。
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| 关 键 词： | 相位重合检测技术 FPGA VHDL |
Design of the Phase Examination Cymometer |
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| Li Yunhong.Design of the Phase Examination Cymometer[J].Ship Electronic Engineering,2009,29(4):171-173. |
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| Authors: | Li Yunhong |
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| Institution: | College of Physics Science and Information Engineering;Jishou University;Jishou416000 |
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| Abstract: | A new phase coincidence detection technology measuring frequency, phase coincidence detection technology is the measured signal and standard-frequency signal phase coincidence point to trigger a measurement gate, so that measurement gate signal not only with the measured signal, hut also with the standard frequency signals are synchronized, this approach significantly eliminates general frequency measurement system error ± 1 word, and the realization of wide range of high-precision measurements. |
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| Keywords: | phase coincidence detection technology FPGA VHDL |
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