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

• 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。
• 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
• 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
• It is also shown that the initial pulse power and initial pulse chirp can impact the spectral shape and band width of the supercontinuum generation at anomalous dispersion region.
  初始激光脉冲的峰值功率和脉冲初始啁啾对光子晶体光纤反常色散区产生超连续谱形状和带宽是有影响的。
• 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。
• 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。
• 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！
• 'See you soon, I hope!' chirped my mother.
  “希望很快能再见！”我妈开心地大声说。
• 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。