This designation is to deal with the output sine wave of a high frequency and high voltage power supply, the aim is to develop a high voltage and high frequency nanosecond pulse generator.
本课题对一台高压高频逆变电源输出的正弦电压进行处理,将其设计成一台纳秒级高压高重复频率的脉冲电源。
This paper gets the frequency stability of a sine wave using a digital method.
本文实现了利用数字方法计算正弦波的频率稳定度。
The circuit of the invention is simple, the wave output is pure sine wave, voltage and frequency output is stable, they do not change with input voltage and load.
本发明电路结构简单,输出的交流电的波形为纯正弦波,输出的电压和频率稳定,不会随输入电压和负载的变化而变化。
By using moving one period sine wave model, the jitters of amplitude, frequency, phase, and offset of sine wave are evaluated.
使用一个周期的正弦波曲线模型的滑动拟合法,评价了幅度、频率、直流偏移的抖动,以及相位与理论值之偏差的抖动情况。
This paper designs a Lissajous Figures signal generator which can generate sine wave with different ratio of frequency, By utilizing oscillograph, all kinds of stable diagram can be shown.
设计了一种利萨如图形信号发生器,能产生不同频率比的正弦信号,通过示波器能方便地得到各种稳定的利萨如图形。
This paper focuses on the perturbation which takes the sine form. The effect of amplitude, frequency, wave number, and initial phase difference on the propagation of optical soliton is investigated.
重点讨论了扰动是正弦函数形式时,耦合强度、频率、波数、初始相位差对光孤子传播的影响。
This article shows the universal result of the frequency structure, which is connected with the chopped signal of the sine wave by convolution, this has guidance meaning to filter design.
本文以卷积为工具给出了正弦交流斩波信号谱结构的普适结果,这对滤波器的设计有指导意义。
The system adopts direct digital synthetic (DDS) technology for building the sine wave generator to realize continuous regulation of amplitude, frequency and phase modulation.
系统采用直接数字合成(DDS)技术构建正弦波发生器,实现幅值、频率、相位等连续调节;
Meanwhile, the driver had the functions of constant current chopper, index movements frequency and sine wave equal-breadth even subdivision.
驱动器具有恒流斩波、指数升降频和正弦波等幅均匀细分的功能。
The arithmetic formulas for sine wave, linear frequency modulation signal, V-style frequency modulation signal, white noise signal, reverberation signal and echo signal are given by their definition.
根据信号类型的定义,给出了正弦信号、线性调频信号、V型调频信号、白噪声、混响和回波信号的合成公式。
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。
The sine wave inspection method is limited by condition, does not have the sine-wave-generator or the frequency is not precise, is not easy to realize.
正弦波检查法因条件所限,无正弦波发生器或频率不准,不易实现。
The frequency-domain NIRS instruments modulate the light with a RF sine wave, which generates diffuse photon density wave (DPDW) in turbid tissue like brain.
频域近红外光谱系统利用一个高频正弦信号对光源进行调制,从而在大脑这类强散射介质中形成一种漫射光子密度波。
Sine wave output, low distortion and high stability, frequency range over with whole audio range.
正弦波输出,失真小,稳定性好,频率范围覆盖整个音频范围。
The results show that the induction heat power of magnetic field amplitude-modulated with sine wave and square wave is unrelated to the frequency of modulating wave.
结果表明:方波和正弦波调幅磁场的感应热功率都与调幅波频率无关。
The main circuit is consisted of 18 thyristors circuit and protection circuit. With the help of control subsystem, it can get the output of low frequency voltage (current) with the shape of sine wave;
主回路采用由18个晶闸管组成的三相零式电路,并辅以晶闸管的保护电路,通过控制可以得到低频正弦波的电压(电流)输出;
The smooth sine speed wave is adopt in order to satisfying motor's stating and moving frequency. The sine speed wave reduces the impact of the sy...
电机的加减速采用平滑的正弦曲线,满足电机的起动频率和运行频率,减少了系统的冲击。
Modulation methods primarily through changes in the rate of sine wave, phase and frequency to transmit information.
调制的方法主要是通过改变正弦波的幅度、相位和频率来传送信息。
In frequently used methods, sine wave is used as carrier with amplitude modulation (am), frequency modulation (FM) and phase modulation (PM) implied.
常用的调制方式使用正弦波作为载波并对其进行幅度调制(AM)和角度调制即调频(FM)或调相(PM)。
Design requirements: (1) can output sawtooth, triangle wave, sine wave, pulse wave. (2) according to the keyboard command to switch between waveforms. (3) can adjust the output waveform frequency.
设计要求:(1)能够输出锯齿波,三角波,正弦波,脉冲波。(2)能根据键盘命令进行波形之间的切换。(3)能对输出的波形频率进行调节。
MP series online UPS of MP series is of little volume, lightweight and output of high-frequency online purely sine wave and the machine can start by using DC battery.
MP系列在线式UPS具有体积小、重量轻、高频在线式纯正弦波输出,电池直流直接开机。
The virtual signal generator has 12-channels outputs for linear scanning frequency signal or fixed frequency sine wave excitation signal.
该发生器可以输出相位差可调的12通道线性扫频正弦激励信号或者输出12通道定频正弦激励信号。
The virtual signal generator has 12-channels outputs for linear scanning frequency signal or fixed frequency sine wave excitation signal.
该发生器可以输出相位差可调的12通道线性扫频正弦激励信号或者输出12通道定频正弦激励信号。
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