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Prototype of Wideband Air Sonar Based on STM32

机译：基于STM32的宽带空气声纳原型

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The paper presents a project of a low-cost prototype version of a wideband air sonar and the problems occurring during its development process. The aim of this work was to design a short range air sonar capable of creating the reflectivity map of its surroundings using an arbitrary shape wideband signal. The transmitting and receiving transducers that have been chosen for this application typically work in pulsed operation modes. Therefore, dedicated output and input circuits had to be designed to expand its capabilities without information losses. The signal generation, transmission, reception and storage are managed by a Discovery evaluation board with a STM32 microcontroller. The receiving data are saved on a SD card and are processed off-line.
机译：本文介绍了宽带空气声纳的低成本原型版本的项目以及其开发过程中出现的问题。这项工作的目的是设计一种短程声纳，能够使用任意形状的宽带信号创建其周围环境的反射率图。为此应用选择的发射和接收换能器通常在脉冲操作模式下工作。因此，必须设计专用的输出和输入电路来扩展其功能，而又不会丢失信息。信号的生成，传输，接收和存储由带有STM32微控制器的Discovery评估板管理。接收数据保存在SD卡上，并离线处理。

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