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火箭助飞式声诱饵飞行参数记录器设计
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摘要
为了获知火箭助飞式声诱饵飞行全过程状态,设计了一种基于FPGA的飞行参数记录器,并详细阐述了基本组成、工作原理和工作流程。应用基于MEMS的单轴加速度传感器ADXL001和三轴陀螺仪传感器L3G4200D分别实现Z轴加速度和X/Y/Z三轴角速度信息测量。数据采集完毕后,通过PL2303HX虚拟串口将存储于NandFlash数据传输至PC机,以便进行后续数据处理和分析。本记录器具有多路参数信号采集、存储容量大和结构简单的特点。经过实弹试验,本记录器成功记录了声诱饵飞行过程中的加速度、角速度等信息,并对试验结果进行了分析。
To acquire the whole course flight state of rocket-assisted acoustic decoy, a flight parameter recorder based on FPGA is designed. The basic components, working principle and process of the flight parameter recorder are discussed in detail. The single axis accelerometer ADXL001 and three-axis gyroscope L3G4200 D that are all based on MEMS are used to measure the Z-axis acceleration and X/Y/Z axis angular velocity. After data acquisition is completed, the data in Nand Flash can be transmitted to PC by PL2303 HX for further data processing and analysis. This recorder has the advantages of multi-channel data collection, mass storage and simple construction.In the experimental test, the acceleration and angular velocity of acoustic decoy are successfully recorded by this recorder, and the experimental results are analyzed.
引文
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