chirp

英 [tʃɜːp]

美 [tʃɜːrp]

v.  吱喳叫; 唧唧叫; 发啁啾声; 轻松愉快地讲(话); 嘁嘁喳喳地说

过去式：chirped　现在分词：chirping　第三人称单数：chirps　复数：chirps　过去分词：chirped　

TOEFLGRETEM8

BNC.32990 / COCA.14222

牛津词典

verb

• 吱喳叫；唧唧叫；发啁啾声
  to make short high sounds
• 轻松愉快地讲（话）；嘁嘁喳喳地说
  to speak in a lively and cheerful way

柯林斯词典

• VERB (鸟、昆虫)啾啾叫，发唧唧声
  When a bird or an insect such as a cricket or grasshopperchirps, it makes short high-pitched sounds.
  1. The crickets chirped faster and louder.
     蟋蟀叫得更欢了。
  2. Chirpis also a noun.
     
  3. The chirps of the small garden birds sounded distant.
     远处传来庭园小鸟的鸣啭。
• VERB （人）欢快地高声说话，叽叽喳喳
  You say that a personchirpswhen they say something in a cheerful, high-pitched voice.
  1. 'See you soon, I hope!' chirped my mother.
     “希望很快能再见！”我妈开心地大声说。

英英释义

noun

• a sharp sound made by small birds or insects

verb

• make high-pitched sounds
  1. the birds were chirping in the bushes
  Synonym:peepcheepchirrup
• sing in modulation
  Synonym:tweedle

双语例句

• According to the features of DSP, this paper presents a spectrum zooming analysis method based on Chirp Z Transform ( CZT).
  基于DSP信号处理的特点，给出了一种基于线性调频Z变换（CZT）的频谱细化实现方案。
• The frequency-stepped chirp signal is very common in ISAR imaging because of its peculiar characters.
  线性调频步进信号由于其独特的优点更是在ISAR成像中占据了重要地位。
• Low chirp of femtosecond laser pulses can be determined accurately using the MOSAIC.
  MOSAIC能够精确地测量飞秒激光脉冲的微小啁啾量。
• For the problem of parameter estimation of one dimensional and two dimensional chirp signal in additive colored Gaussian noise, a new method based on fourth-order cumulant is proposed.
  针对加性高斯有色噪声背景下的一维、二维线性调频信号的参量估计问题，引入高阶统计量，提出了一种基于四阶累积量的新方法。
• It uses Chirp Spread Spectrum technique to communicate and range.
  该方法利用线性调频扩频技术进行通信并实现测距；
• The negative chirp introduced by the fundamental wave can compensate partially dispersion and improve conversion efficiency.
  系统输出激光携带一定负啁啾可以补偿色散，提高三次谐波的转换效率。
• Novel Synchronization Method for Chirp Communication System
  新颖的Chirp通信系统同步方法
• Analysis of Ultra Wideband Transmission Performance System Based on Chirp Spread Spectrum
  基于Chirp扩频的超宽带信号传输性能分析
• 'See you soon, I hope!' chirped my mother.
  “希望很快能再见！”我妈开心地大声说。
• Anti-noise Performance of Chirp Spread Spectrum System
  Chirp扩频通信系统抗噪声性能研究