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
英英释义
noun
- ratio of the length of the side opposite the given angle to the length of the hypotenuse of a right-angled triangle
双语例句
- 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。 - Let us plot both the sine and the cosine curves.
假设我们同时绘制正弦和余弦曲线。 - 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。 - By using moving one period sine wave model, the precise demodulation of FM signal wave is achieved.
在此基础上讨论实现正弦载波的调频信号的精确解调问题。 - Above, we plotted both the sine and cosine on the same graph.
上面，我们在同一图中绘制了正弦和余弦曲线。 - We derive the addition formulas for sine and cosine from the arithmetic of complex numbers.
用复数算术推导了正弦，余弦的加法公式。 - A kind of three-phase reference sine wave signal generator based on DSP digital oscillator is designed.
提出一种基于DSP数字振荡器产生三相基准正弦波信号的设计方法。 - The Research and Realization of Sine Wave Inverter in Wind Power System
风力发电系统中正弦波逆变器的研究与实现 - This method decomposes a measured signals waveform into a series of sine and cosine components.
这种方法有节制的信号分解成一系列的波形正弦和余弦的组成部分。 - There appears a sine wave on the screen.
在荧光屏上出现了正弦波。