sine

英 [saɪn]

美 [saɪn]

n. 正弦

复数：sines　

BNC.26174 / COCA.20093

牛津词典

noun

正弦
the ratio of the length of the side opposite one of the angles in a right-angled triangle that are less than 90˚ to the length of the longest side

noun

ratio of the length of the side opposite the given angle to the length of the hypotenuse of a right-angled triangle
Synonym:sin

A measurement system for sine signal phase difference is designed by using DSP and digital correlation method.
设计一个采用DSP技术和数字相关法测量两路正弦信号相位差的检测系统。
Good governance is today considered the sine qua non for sustainable development and social justice.
今天，善治被看成是可持续发展和社会公平的基本条件。
Some sine waves are harmonic whose frequency does not equal to the frequency of fundamental component.
有些正弦波谐波，其频率不等于频率的基本组成部分。
A wave whose waveform resembles a sine curve.
波形类似正弦曲线的波。
On some identities of sine and cosine functions;
目的研究正弦函数和余弦函数的一些计算公式。
There appears a sine wave on the screen.
在荧光屏上出现了正弦波。
Fourier analysis is the mathematical method used to break sounds down into sine waves.
傅里叶分析是将声音分解为正弦波的数学方法。
Alignment fields consist of very low distortion sinusoidal waves. Gradually, the separate sine waves have become visible.
排队过程包含很低的扭曲的正弦波。逐渐地，正弦波曲线出现明显的分离。
Study on Sine Wave Frequency Estimation Method Based on DTFT
基于DTFT的正弦波频率估计方法研究
The phase velocity basically tells you how fast a pure sine wave ( with a single frequency) moves.
相速度可以告诉我们一个纯正弦波的传播速度。