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
- 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。 - Both sine wave and steep pulse edge are special cases of complex frequency wave.
正弦振荡和脉冲边沿都是自激复频率波的特定情形。 - In general, sounds are represented by a sum of sine waves.
一般的，声音表现为多个正弦波的叠加。 - 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。 - 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 - Based on response of CCD to the sine input signal, the period and extremal positions of output signal were analyzed and simulated.
CCD对正弦输入信号的响应特性的基础上，对信号输出周期、极值位置进行了理论分析和数值模拟。 - 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 - In this paper, a sine modulation method used to estimate the bandwidth in FOG design and assembly phase is presented.
提出了一种在陀螺设计和装配阶段采用正弦调制法测量光纤陀螺带宽的方法。 - 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。 - 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。