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正弦

na.【数】sine
网络SINEE; sinusoidal; sin x

正弦

英-汉网络释义

正弦

na.

1.【数】sine

1

This deviation from perfect sinusoids is usually expressed in terms of harmonics distortion of the voltage and current waveforms .

这种偏离完全正弦的畸变称为电压、电流波形的谐波畸变。

2

This particular half-sine pulse is only a very approximate model for the actual state of affairs.

这个特定的半正弦脉冲对实际情况来说只是一个非常近似的模型。

3

4

5

Fast and accurate computation of the arcsine function in a modern engineering has been used widely .

快速精确的反正弦函数运算在现代工程中应用广泛。

6

We start with a simple sine curve and customize it to look just as we want it to.

我们从简单的正弦曲线开始，将其定制为我们所希望看到的形状。

8

Different from other manufacturers , SINEE determined its global strategy based on self-owned brand since the beginning of its establishment .

与国内其他企业不同，正弦电气一开始就确定了要做自主研发生产、自主品牌的国际化战略路线。

9

However , it is possible to achieve the sinusoidal back EMF waveform at the small pole-arc to pole-pitch ratio .

但是，它可以实现在小极弧极间距比正弦反电动势波形。

10

Fatigue life of random vibration can be calculated by the fatigue life of sinusoidal vibration under first natural frequency .

可以通过一阶固有频率下正弦振动试验试件寿命得到随机振动下试件的寿命。

11

The cam is of several teeth of cosine curves and of good quality at high speed .

凸轮采用了多齿的正弦曲线，高速性能好。

13

As an important form of wide-band dual polarization antenna, the four-arm sinuous antenna has been widely used in EW equipments.

四臂正弦天线是一种用途广泛的宽频带双极化天线。

14

Hydrocarbon in footwall and hanging wall distribute as "sine curve " is the result of the "silk ribbon effect" of strike slip fault .

走滑断层 “丝带效应 ”造成断层两盘油水呈 “正弦曲线 ”模式分布。

15

The AC power supply based on this technology is able to produce the sine voltage, and it's frequency and breadth value can be adjusted .

采用该控制方式的交流电源不仅能够输出频率幅值可调的正弦电压，而且能够输出周期性畸变电压。

16

In 1872, Ernst Abbe formulates his wave theory of microscopic imaging , and defines what becomes known as the Abbe sine condition .

阿贝提出了显微镜成像的波动理论，并定义了阿贝正弦条件。

18

The source of the vibration is simultaneously coming from the unbalance inertia force of the engine and a half-sine bump on the road .

所考虑之振源可同时来自于引擎内不平衡之惯性力及半正弦凸起路障。

20

Theory of sinusoidal pressure produced by the resonance of the liquid in hydraulic pipe excited by piezoelectric ceramics is presented .

介绍了一种利用压电叠堆激励管道内液体介质发生谐振产生正弦压力的发生装置。

22

The high frequency sine wave (the carrier ) is modulated by adding the modulating signal to it in a mixer .

高频率的正弦调制波（承运人）通过添加调制信号在混频器。

23

The projector was used for projecting a sinusoidal fringe pattern onto the connectors .

投影仪用于将正弦的条纹图形投射到连接器上。

25

The moving mode of a mass is chosen as a sine movement . The acceleration of the mass is deduced.

选取质量块的运动方式为正弦运动，推导了质量块的运动加速度。

27

Well, at point P , the velocity vector QP is perpendicular to the line QP, 1 so the sine of that angle is one.

点 P ，速度向量，垂直于直线，所以该角的正弦值为。

28

An attempt to offer a new treatment of end point error in precipitation titration by using hyperbolic sine function is given in this paper.

基于沉淀滴定基本原理，利用双曲正弦函数性质提出了一种处理沉淀滴定终点误差的新方法。

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