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

• Theoretical analysis and numerical simulation of compression to negative chirp pulse based on dispersion-shift fiber ( DSF) using distributed Raman Amplification.
  该文对分布式拉曼放大的色散位移光纤（DSF）负啁啾光脉冲压缩进行了理论分析和数值模拟。
• 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 dim silence of my mind seems filled with crickets 'chirp& the grey twilight of sound.
  我的心在朦胧的沉默里，似乎充满了蟋蟀的鸣声－－声音的灰暗的暮色。
• Novel Synchronization Method for Chirp Communication System
  新颖的Chirp通信系统同步方法
• 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
• Anti-noise Performance of Chirp Spread Spectrum System
  Chirp扩频通信系统抗噪声性能研究
• 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。
• Raman amplification can compensate the fiber loss, does not change the temporal waveform and has little influence on the linear chirp of the soliton.
  研究表明，拉曼放大能够补偿光纤损耗，但不改变孤子脉冲的时域波形，对孤子脉冲的啁啾影响不大。
• 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
• Based on the fact that a chirp radar signal has a strong coupling between time and velocity, a deceptive jamming technique with shift frequency is proposed.
  本文基于线性调频脉压信号在时间和多卜勒频率间存在强耦合的事实，提出用移频干扰实现欺骗干扰的方法。