This work analyses the effect of the receiver movement on the detection by pulse compression of different families of codes characterizing the emissions of an Ultrasonic Local Positioning System. Three families of codes have been compared: Kasami, Complementary Sets of Sequences and Loosely Synchronous, considering in all cases three different lengths close to 64, 256 and 1,024 bits. This comparison is first carried out by using a system model in order to obtain a set of results that are then experimentally validated with the help of an electric slider that provides radial speeds up to 2 m/s. The performance of the codes under analysis has been characterized by means of the auto-correlation and cross-correlation bounds. The results derived from this study should be of interest to anyone performing matched filtering of ultrasonic signals with a moving emitter/receiver.
展开▼
机译:这项工作通过脉冲压缩不同系列的代码来分析接收器移动对检测的影响,这些代码系列表征了超声波本地定位系统的发射。比较了三个代码系列:Kasami,序列的互补集和松散同步,在所有情况下都考虑了三种不同的长度,分别接近64、256和1,024位。首先通过使用系统模型进行比较,以获得一组结果,然后在提供最高2 m / s径向速度的电动滑块的帮助下进行实验验证。通过自相关和互相关范围来表征所分析代码的性能。这项研究得出的结果应该对使用移动的发射器/接收器执行超声信号的匹配滤波的任何人都感兴趣。
展开▼