chirp

vi.

鸟叫，虫鸣；

过去式：chirped过去分词：chirped现在分词：chirping第三人称单数：chirps

1. At night the crickets chirp in the woods.
   夜里蟋蟀在林中唧唧地叫。
2. Birds had begun to chirp among the trees.
   鸟儿们已经开始在树林里叽叽喳喳地叫了。

1. I was awakened by the chirps of the birds this morning.
   今天早晨我被鸟叫声唤醒。
2. A cricket an inch long has a chirp that is audible for nearly a mile.
   一英寸长的蟋蟀发出的唧唧声在将近一英里远的地方都能听见。

The chirp z-transform algorithm
Parameter estimation of chirp signals
The Theory and Design of Chirp Radars
Discrete chirp-Fourier transform and its application to chirp rate estimation
Discrete Chirp-Fourier Transform and Its Application to Chirp Rate Estimation
Extended chirp scaling algorithm for air- and spaceborne SAR data processing in stripmap and ScanSAR imaging modes
Comments on discrete chirp-Fourier transform and its application to chirp rate estimation [with reply]
Generalized chirp-like polyphase sequences with optimum correlation properties. IEEE Trans Inf Theory 38(4):14061409
Highly Efficient Tunable Raman Soliton by Optimized Chirp at 2 µm
Convolution, filtering, and multiplexing in fractional Fourier domains and their relation to chirp and wavelet transforms