针对自容式海流计的工作功耗和测流的较高实时性能要求,设计了一种"微处理器+现场可编程门阵列(FPGA)"系统构架的自容式声学海流计数字处理系统。低功耗处理器完成系统级的任务维护,并进行电源管理; FPGA模块应用复相关测频...针对自容式海流计的工作功耗和测流的较高实时性能要求,设计了一种"微处理器+现场可编程门阵列(FPGA)"系统构架的自容式声学海流计数字处理系统。低功耗处理器完成系统级的任务维护,并进行电源管理; FPGA模块应用复相关测频算法进行实时海流的测量;协同设计的微处理器与FPGA间软硬件接口保证了相互间的数据实时通信。实验测试结果为:系统在信噪比10 d B环境时测流误差不超过0. 94%;系统功耗低,待机功耗仅19 m W、工作功耗167 m W。展开更多
A total solution for Continuous Image Digital Processing System with High Precision (Digital Film System)has been introduced in this paper. The detailed information ,such as the architecture ,the work flow and cvcn th...A total solution for Continuous Image Digital Processing System with High Precision (Digital Film System)has been introduced in this paper. The detailed information ,such as the architecture ,the work flow and cvcn the construction of every part of the system,has been discussed. At last,a practical system has been given.展开更多
文摘针对自容式海流计的工作功耗和测流的较高实时性能要求,设计了一种"微处理器+现场可编程门阵列(FPGA)"系统构架的自容式声学海流计数字处理系统。低功耗处理器完成系统级的任务维护,并进行电源管理; FPGA模块应用复相关测频算法进行实时海流的测量;协同设计的微处理器与FPGA间软硬件接口保证了相互间的数据实时通信。实验测试结果为:系统在信噪比10 d B环境时测流误差不超过0. 94%;系统功耗低,待机功耗仅19 m W、工作功耗167 m W。
文摘A total solution for Continuous Image Digital Processing System with High Precision (Digital Film System)has been introduced in this paper. The detailed information ,such as the architecture ,the work flow and cvcn the construction of every part of the system,has been discussed. At last,a practical system has been given.
