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基于FPGA的超声波气体流量计中AGC的实现

消耗积分:5 | 格式:rar | 大小:647 | 2010-12-30

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为能充分利用数字技术可靠性高、灵活性强等优点,将自动增益控制AGC引入数字域,并针对超声波气体流量计中接收信号的特点,给出一种基于EP1K30TC144-3的全数字AGC设计方案。测试结果表明该系统设计可以实现40dB动态范围的控制,且具有控制精度高、调节速度快、受环境影响小,稳定性和可靠性高等优点。
Abstract:
 In order to take full advantages of digital technology and high reliability,flexibility and other advantages,this paper introduces the digital domain AGC.Aiming at ultrasonic gas flow meter to receive the signal characteristics,this paper presents on the all-digital AGC design based on EP1K30TC144-3.The test results show that the design achieves40dB dynamic range control,and has the features of high precision control and regulating speed,the environmental small impact,high stability and reliability.

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