本文介绍了一种基于超声波循环反射测量原理的高精度超声测距方法，并给出了以单片机为核心的测距系统的组成。
A new method for ultrasonic distance measurement based on ultrasonic circulation and multi pulse echo principle is presented in the paper.
介绍了超声波测距的原理，分析了超声波测距产生误差的原因，设计一种高精度超声测距系统。
Introduces the principle of ultrasonic range measurement, and analyses the main error sources of ultrasonic range measurement, designs an ultrasonic range measurement system with high precision.
介绍了一种基于AT 89 C52单片机的超声波测距系统，阐述了超声测距系统的硬件电路构成、工作原理及软件设计方法。
Introduced one ultrasonic distance testing system based on AT89C52 single-chip microcomputer and mainly described its hardware circuit, software design method and the operating principle.
根据超声波测距原理，提出一种基于超声测距技术的电动轮椅车检测障碍物、避障的新方法。
Based on ultrasonic measuring distance technology, a new method of detecting obstacle and giving a wide berth used in electric wheelchairs is presented.
本文将伪随机码应用于超声波测距中，解决了超声波测距中存在的测距精度低和测量距离近的问题。
PRBS is applied in ultrasonic distance measurement in this article, which resolves some problems existing in it.
并说明了超声波测距系统的原理，实现了一种多频超声波测距系统。
This paper describes the principle of ultrasonic telemeter and the implement of a multi-wave ultrasonic telemeter.
介绍了超声波测距的原理。分析了超声波测距产生误差的主要原因。
In this paper, the principle of ultrasonic distance measurement is described, the main error sources of ultrasonic distance measurement are analyzed also.
在传统超声波测距基础上，结合硬件和软件两方面的控制，提出一种高精度超声波测距系统。
A high accuracy ultrasonic distance measurement system is presented. based on the combination of both hardware and software controlling on the basis of the traditional ultrasonic ranging.
实现超声波测距功能的电路硬件和程序介绍了如何用单片机实现高精度超声波测距的具体电路，并给出了源程序。
Function of the realization of ultrasonic ranging circuit hardware and procedures describes how to use single chip to achieve high-precision ul...
实现超声波测距功能的电路硬件和程序介绍了如何用单片机实现高精度超声波测距的具体电路，并给出了源程序。
Function of the realization of ultrasonic ranging circuit hardware and procedures describes how to use single chip to achieve high-precision ul...
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