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 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。
• 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。
• Anti-noise Performance of Chirp Spread Spectrum System
  Chirp扩频通信系统抗噪声性能研究
• 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
• A method for detecting the chirp of femtosecond optical pulse directly is proposed in this paper.
  介绍了一种能够直接检测飞秒脉冲啁啾大小的方法。
• 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
• Sparrows chirp.
  麻雀吱吱喳喳叫。
• 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
• Birds do not chirp. Leaves do not rustle. Insects do not sing.
  鸟儿不在啁啾，树叶不再沙沙作响，昆虫也停止了欢唱。
• 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。