distance resolution meaning in English
距离分辨能力
距离分辩率
距离分解
Examples
- Chirp - subpulse stepped frequency signal is one of the high distance resolution signals with merits of stepped - frequency signal and chirp signal
Chirp子脉冲频率步进信号兼有频率步进信号和线性调频信号的优点,是一种高距离分辨力信号。 - Detecting target at low - altitude is one of important problems for radar . based on high distance resolution is an important method of resolving this problem
探测低空与超低空动目标是雷达研究领域的重要内容之一,高分辨率是解决这个问题的重要途径之一。 - In the paper , the gpr system developed by us employs several optimization techniques to enhance the system performances , including antenna , sampling - hold circuit , orientation wheel , function of system software , multithreading , and signal processing algorithms . as the result the system works more well with these techniques , and its azimuth and distance resolution of 10 cm has been achieved with detection depth of more than 50 cm . the main contents of this dissertation are summarized as following : 1
本文根据探地雷达系统工作原理,在电子科技大学探地雷达系统样机研制的基础上采用了各种有效的优化技术,包括探测前端、采样保持电路的优化,定位轮、目标定位、多线程技术的应用,数据采集处理和控制软件功能的拓展、各种有效的信号预处理算法的应用等,显著提高了系统的探测性能和增强了探测效果,使得系统方位、距离分辨率均达到了10cm ,探测深度大于50cm ,其性能指标达到国外先进水平,为进一步的实用化奠定了重要的基础。 - In this thesis , based on this kind of application , we made theoretical analysis and engineering practice on high - precision lfmcw and its signal processing millimeter wave broadband lfmcw radar has quite high theoretical range - precision and distance resolution , however , for the real radar system , the nonideal parameter of its transmitting signal , such as power fluctuation and the nonlinearity in frequency sweep , will result in the decreasing of the practical rang - precision and the distance resolution of radar
本文基于这一应用对高精度lfmcw测距雷达及其信号处理进行了理论分析和工程实践。毫米波宽带lfmcw雷达具有很高的理论测距精度和距离分辨力,但对于实际的雷达系统,其发射信号的非理想参数-扫频功率起伏和扫频非线性,将使得雷达的实际测距精度和距离分辨力下降。 - In the first part , the fundamentals of lfm signals are introduced . the relationship between distance resolution and bandwidth , speed resolution and signal duration are the emphases to be discussed . it indicates the importance of using lfm signals with large duration and bandwidth in uwb - sar system
全文分以下四部分:第一部分讨论了线性调频信号的基本理论,指出了距离分辨率和速度分辨率与信号时宽和带宽的关系,说明了在雷达系统中采用大时带宽线性调频信号源的必要性。