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

• Novel Synchronization Method for Chirp Communication System
  新颖的Chirp通信系统同步方法
• The relation between the chirp in phase of soliton pulse and soliton propagation is discussed in this paper.
  讨论了光孤子传输中，由脉冲包络的相位变化产生的啁啾与孤子传输的关系。
• 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
• Sparrows chirp.
  麻雀吱吱喳喳叫。
• Multi-component Chirp Signal Separating and Enhancing Based on SVD of Time-Frequency Space
  基于时频空间奇异值分解的多分量线性调频信号分离与增强
• This paper analyses the problem of the quadratic phase for multiple frequency ranging based on chirp signal, and the method of the phase elimination is proposed.
  分析了基于线性调频信号多频测距时出现的二次相位问题，提出了利用测速系统速度信息进行相位消除的方法。
• At night the crickets chirp in the woods.
  夜里蟋蟀在林中唧唧地叫。
• 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。
• Analysis of Micro-Doppler Effect in Frequency-Stepped Chirp Signal Radar
  线性调频步进信号雷达目标微多普勒效应分析
• The birds chirp merrily at the top of tree.
  鸟儿在枝头欢快地啾啾鸣唱。