The limit of this method is that the sine wave generator with high performance is necessary, especially the stability, the noise and distortion of generator.
其局限性则是对交流信号源要求较高，要求高稳定性、低噪声及低失真度；
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；
Skills: 1, a solid basic skills specialized courses, conducted active sine wave generator, MF-47 multimeter, transistors FM wireless transmitter, and so the design and production;
技 能：1、具有扎实的专业课基本功，进行过有源正弦波发生器、MF-47型万用表、晶体管FM无线发射器等的设计和制作；
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 primary function of the auxiliary signal generator is output sine wave or SWIFT (stored wave form inverse Fourier transform) wave at the scheduled time.
辅助信号发生器的主要功能是在规定的时间段内输出正弦波或者任意波形。
Therefore it has the broad application prospect Present paper's primary mission is based on the ARM technology, designs a performance fine sine wave profile generator.
因而它具有广阔的应用前景。本论文的主要任务是基于ARM技术，设计一个性能优良的正弦波波形发生器。
How to develop the sine wave audio signal generator is described in detail in this paper.
详细介绍了软件正弦波音频信号发生器的开发。
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。
The generator can output three kinds of waves : sine wave , square wave , triangle wave.
该函数信号发生器可输出三角波，方波和正弦波。
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。
According to the signal can be divided into sine wave signal, function (wave) signals, pulse signals and random signal generator, and other four major categories.
按信号波形可分为正弦信号、函数(波形)信号、脉冲信号和随机信号发生器等四大类。
This paper presents a technology of high stability sine-wave generator by FET based on the analyses of Wen's oscillating bridge. A practical circuit with temperature compensation is introduced.
本文在分析文氏振荡电路的基础上，提出一种利用场效应管线性工作区实现稳幅的技术，同时给出了具有温度补偿环节的实际应用电路。
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。
Secondly, the output waveform signal generator can be divided into sine wave signal generator, pulse-wave signal generator, function generator and arbitrary wave generator, and so on.
其次，按输出波形又可分为正弦波、脉冲波、函数发生器和任意波发生器等。
Secondly, the output waveform signal generator can be divided into sine wave signal generator, pulse-wave signal generator, function generator and arbitrary wave generator, and so on.
其次，按输出波形又可分为正弦波、脉冲波、函数发生器和任意波发生器等。
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