sine wave

The Research on Chinese Text Digital Watermarking Technology Based on Sine Wave

基于正弦波的中文文本数字水印技术研究

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；

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

Design of Inverter Power Supply with Low Sine Wave Distortion

低失真正弦波逆变电源设计

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。

When graphing AC voltage, the Ac voltage sine wave will not be shown on-screen.

当在AC电压图形中, 屏幕并不显示AC电压正弦波.

Each of these pieces is a sine wave with a different frequency.

每个小部分是有着不同频率的正弦波.

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。

Use of a Complementary Sine Wave Source in the Measurement of Differential Transducer

互补正弦波电源在差动传感器测量中的应用

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。

Pure sine wave output. Current harmonic content is small.

输出纯正弦波, 电流谐波含量小.

Industrial frequency test voltage waveform shall be practical sine wave.

2工频试验电压波形应为实际正弦波.

High-Accuracy Digital Three-Phase Reference Sine Wave Signal Generator Based on FPGA

基于FPGA的高精度数字式三相基准正弦信号发生器的设计与实现

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。

Pure tone is a sine wave.

纯音是正弦波.

The generator generates three-phase sine wave current with harmonics.

发电机产生 三相 正弦波电流谐波.

The curve fitting method can precisely extract the 4 parameters of sine wave.

曲线拟合法能够精确地提取正弦信号的四个参数.

By movingperiod sine wave model , the precise demodulation of AM signal wave is achieved.

在此基础上讨论实现正弦载波的调幅信号的精确解调问题.

A Precise Evaluation Method of Sine Wave Phase Difference

正弦波相位差的一种精确评价方法

Data are often transmitted in the context of a carrier signal such as sine wave.

数据传输通常采用载波信号,如正弦波.

In fact , we use the digital way directly to synthesize sine wave.

摘要数字电路技术课程的知识难点是时序逻辑电路的设计.

There are many differences between A & D's Sine wave Vibro Viscometer and the common rotational type viscometer.

正弦波振动式粘度计与旋转式粘度计有许多不同的方面.

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

From Monday to Friday, the fluctuation of their mood appears to be like the sine wave.

从周一到周日, 心境波动呈现出类似正弦波的趋势.

Sine-wave-based Text Watermarking for Word Document

基于正弦波的WORD文档数字水印

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

The voltage requires being smooth and stable sine wave.

其工作电压要求是平滑而稳定的正弦波.

It can generate sine-wave current , the maximal electric pressure of no-load condition can reach to 210 V.

结果显示,该发动机与传统发动机—发电机系统相比,可以发出正弦电, 空载 时最大电压可达210伏.

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

This paper gets the frequency stability of a sine wave using a digital method.

摘要本文实现了利用数字方法计算正弦波的频率稳定度.