V2EX range resolution

Range Resolution

释义 Definition

距离分辨率:在雷达、声纳或测距系统中,区分两个沿同一方向(距离方向)彼此很近的目标/反射体的能力;通常指系统能把两个目标“分开看”的最小距离间隔。在很多系统里,带宽越大,距离分辨率越高(能分得更细)。

发音 Pronunciation (IPA)

/rend rzlun/

例句 Examples

Higher bandwidth gives better range resolution.
更高的带宽会带来更好的距离分辨率。

In pulse-compression radar, the achievable range resolution is approximately c/(2B), where B is the transmitted bandwidth.
在脉冲压缩雷达中,可达到的距离分辨率近似为 c/(2B),其中 B 是发射信号的带宽。

词源 Etymology

该短语由 range(“距离、射程”)和 resolution(“分辨率、解析度”)组合而成,字面意思就是“对距离的分辨能力”。在电磁/声学测距领域,它用来描述系统把相近的回波在“距离轴”上区分开的能力。

相关词 Related Words

文学与著作中的用例 Literary / Notable Works

  • Introduction to Radar Systems(Merrill I. Skolnik)
  • Fundamentals of Radar Signal Processing(Mark A. Richards)
  • Synthetic Aperture Radar: Systems and Signal Processing(John J. Curlander & Robert N. McDonough)
  • 多篇 IEEE 雷达与遥感领域论文(如关于脉冲压缩、宽带波形与 SAR 成像的研究中常用该术语)
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