| 基于FPGA的激光目标指示器PCM编码的实现 |
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| 引用本文： | 孙敬辉,熊文卓.基于FPGA的激光目标指示器PCM编码的实现[J].电子测量技术,2014,37(11):52-54. |
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| 作者姓名： | 孙敬辉 熊文卓 |
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| 作者单位： | 中国科学院长春光学精密机械与物理研究所 长春130033 |
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| 摘 要： | 激光PCM编码,能够有效地提高目标识别、定位的准确度,降低了目标识别的的错误率.详细介绍了激光PCM编码的用途、原理和实现方法.在电路设计上采用单片FPGA实现PCM编码功能,大幅减小电路的尺寸,通过采用恒温晶振保证了脉冲频率在不同温度环境条件下的稳定.给出了在FPGA上实现2-15位PCM编码的VerilogHDL语言程序实例.目前,该电路已在激光目标指示器中得到成功应用.
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| 关 键 词： | PCM 激光PCM编码 激光目标指示器 FPGA |
Digital PCM coding of FPGA-based laser target indicators |
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| Sun Jinghui,Xiong Wenzhuo.Digital PCM coding of FPGA-based laser target indicators[J].Electronic Measurement Technology,2014,37(11):52-54. |
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| Authors: | Sun Jinghui Xiong Wenzhuo |
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| Affiliation: | ( Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences,Changchun 130033,China) |
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| Abstract: | Laser PCM coding can improve the accuracies of target detecting and positioning efficiently.The applying field and theory and implementation of Laser PCM coding are introduced.The PCM coding is achieved in one chip of FPGA to reduce the size of circuit as possible.The pluse frequency stability is essured in different temperature benefit from constant temperature oscillator.It is given that the 2-15 bit PCM code in a chip with Verilog HDL.The PCM coding module has been applied in a laser target indicators successfully. |
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| Keywords: | PCM laser PCM coding laser target indicators FPGA |
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