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

• The birds chirp merrily at the top of tree.
  鸟儿在枝头欢快地啾啾鸣唱。
• 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 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
• But I did not chirp. I only wanted to see.
  但是我没有吭声，我只是想等着瞧。
• Novel Synchronization Method for Chirp Communication System
  新颖的Chirp通信系统同步方法
• Campus radio can not hear "chirp" sound, it seems a bit really not used to!
  听不到校园广播“叽叽喳喳”的声音，似乎还真的有点不习惯！
• A bipolar chirped optical code division multiple access ( OCDMA) schemes, based on a linear chirp fiber Bragg grating and fiber delay line, is proposed in this paper.
  提出了一种基于线性啁啾布拉格光纤光栅和光纤延迟线的正负啁啾编码光码分多址（OCDMA）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。
• 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。
• Anti-noise Performance of Chirp Spread Spectrum System
  Chirp扩频通信系统抗噪声性能研究