sine wave的例句大全

Using DFT to calculate SNR and harmonic distortion of telemetry seismic data acquisition system, if the recording length of data is not integral multiple of sine wave's period, the energy of the fundamental wave and its harmonic will leak to the vicinity region.

在用离散傅里叶变换（DFT）计算遥测地震数据采集系统的信噪比（SNR）和谐波畸变时，如果数据记录长度为正弦波周期的非整数倍，基波及谐波的能量会泄漏到邻近频率。

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Three-phase sine wave wave signal can be symmetrical three-phase alternating current after power amplifying.

三相正弦波信号经功率放大器放大后成为对称三相交流电。

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This paper presents a new precise evaluation method for time base and trigger characteristics of digital storage oscilloscope. By using sine wave curve-fit method, the time-base, the slope of trigger, trigger level, trigger delay, and the trigger jitter have been evaluated accurately.

本文提出了一种数字存储示波器时基和触发特性的精确评价方法，通过使用正弦波拟合法，其时基准确度、触发沿斜率、触发电平不确定度、触发延时误差以及触发沿晃动被精确评价；

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It is usually to go through the digital time conversion signal by performing a digital-to-analog converter for generating sine wave.

它一般是要经过数字式的时间转换信号再通过执行数模转换产生正弦波。

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It gives the flow charts of main program, the AD sampling, generate reference sine wave, the timer interrupt of the SPWM and does related experiments.

在软件方面，给出了主程序、AD采样、产生基准正弦波、定时器中断产生SPWM的软件流程图，并进行相关的实验。

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And besides switching could control the system current to be sine wave that is in-phase to system voltage.

开关除了能控制系统电流为无谐波的正弦波，还能使系统的电流与电压同相。

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The result manifests that the measuring the valid value of spot welding current of non-sine wave of the control system agrees with the one of Japan current meter MM-315 ( its precision is?%), the average different value is 59A.

考核试验表明：控制系统对非正弦波点焊电流的有效值检测与日本表MM-315（精度为±3%）的检测结果有很好的一致性，平均差值为59A；

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The second part is to design the sine wave networks circuits which is composed of sinusoidal current source array and switches, current to voltage converter ( I-V converter), two staged LPF, etc.

二是正弦波网络：主要包括正弦量化的电流源整列和开关网络，电流电压转换器，二阶低通滤波器；

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Apply Fractional Slot Winding into AC Sine Wave PM Servo Motor

分数槽在正弦波交流永磁伺服电动机中的应用

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This paper introduces the application of the fractional slot winding in the AC sine wave PM servo motors as well as its prototype.

正弦地改变方向的电流。介绍分数槽绕组在正弦波交流永磁伺服电动机中的应用及实例。

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PLC Based Power Regulation and Temperature Control System using PWM Sine Wave Generation

基于PLC的PWM波调功温控系统

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A method of calculating Time and effective value of sine wave is introduced.

介绍了统计正弦波形周期和有效值的方法。

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Design of Inverter Power Supply with Low Sine Wave Distortion

低失真正弦波逆变电源设计

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A Precise Evaluation Method of Sine Wave Phase Difference

正弦波相位差的一种精确评价方法

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Effect of Sine Wave Electro Magnetic Fields on Gas Adsorptive Constant

正弦波电磁场对瓦斯吸附常数的影响规律

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A Precision Measuring Method of the Jitter of Sine Wave Generators

正弦信号发生器波形抖动的一种精确测量方法

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Principle of Generating Sine Wave Current with Power Transistors Switching

利用电力晶体管开关产生正弦电流波的原理

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The single AC power input voltage frequency, the internal AC to DC after; DC converter rectifier exchange conversion, self-produced-very stable, pure sine wave.

该电源输入单一交流电压和频率，内部经过交流对直流；直流对交流的变流整流转换后，自行产生-非常稳定纯净的正弦波。

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The steady state is a sine wave with the same period of tide, whose amplitude is also linear with the maximum velocity of tide.

稳态输出是和海流同周期的正弦波，稳态输出的幅值也与海流最大流速成正比关系。

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In this paper, a simple and practical circuit for laser diode modulation is presented, the principle circuit and the principle of choosing component are given, at last, application in sine wave modulation in non cooperative target phase shift laser rangefinder is introduced.

本文介绍了一种简单有效的半导体激光器调制电路，给出了电路原理图，元件的选择原则，最后介绍了在非合作目标相位式激光测距系统中实现正弦调制的应用。

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