| 基于单片机的红外遥控解码滤波模块设计 |
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| 引用本文： | 李勇,郭清华. 基于单片机的红外遥控解码滤波模块设计[J]. 计算机光盘软件与应用, 2011, 0(12) |
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| 作者姓名： | 李勇 郭清华 |
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| 作者单位： | 中国煤炭科工集团重庆研究院,重庆,400039 |
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| 摘 要： | 本文以单片机为控制核心，利用相应的硬件滤波功能和软件滤波算法对红外遥控接收头的输出信号进行实时地动态处理，解析出真实的控制信号并输入到与BL9149相兼容的输出管脚。本红外遥控解码模块即滤除了干扰信号，提高了抗外界干扰光源的性能；同时实时操控性能达到了要求。
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| 关 键 词： | 干扰光源 PICl6F688 施密特触发器 时间间隔校验算法 连续编码滤波算法 |
MCU-based Infrared Remote Control Decoding Filter Module Design |
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| Abstract: | In this paper, for the control of the microcontroller core,using the appropriate hardware and software filtering algorithm to filter the infrared remote control receiver output signal in real-time dynamic processing,parsing out the actual control signals and input to output is compatible with BL9149 pin.The infrared remote control decoding module that filter out the interference signal,to improve the performance against outside interference sources;while real-time control performance to requirements. |
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| Keywords: | Interference source PIC16F688 Schmitt trigger Interval checksum algorithm Continuous coding filtering algorithm |
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