本dds程控正弦信号发生器系统基于计算机串行接口。
This DDS program-controlled sine signal generator system is based upon computer's serial interface.
正弦信号发生器正弦信号主要用于测量电路和系统的频率特性、非线性失真、增益及灵敏度等。
Sinusoidal signal generator sinusoidal signal of the main circuit and systems used to measure the frequency characteristics of the nonlinear distortion, and gain sensitivity and so on.
本文所设计的正弦信号发生器主要由DDS波形产生模块、单片机控制模块、键盘输入模块和数码管显示模块组成。
This system consists of DDS signal generator module, MCU control module, keyboard input module and nixie tube display module.
为了能够方便地产生波形平滑、频率稳定的正弦信号波形，提出了一种基于DDS技术的正弦信号发生器的设计方法。
To produce the smooth waveform with the stable frequency, this paper presents a design method of sine signal generator's function circuit which is based on the DDS theory.
本设计采用AT89S52单片机，辅以必要的模拟电路，实现了一个基于直接数字频率合成技术（DDS）的正弦信号发生器。
This design construct an sinusoidal signal generator based on DDS(Direct Digital Frequency Synthesis), completed by MCU AT89S52 and necessary analog circuit.
因而本装置包括模拟量信号发生器、开关量信号发生器、串口信号发生器、脉冲信号发生器、正弦信号发生器、音频信号发生器和图像信号发生器。
Therefore, this device must design analog signals generator, digital signals generator, series signals generator, pulse signals generator, audio signals generator, and video signals generator.
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。
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.
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 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.
正弦信号采用查表的方法，解决了以往信号发生器无法产生小周期正弦信号的难题。
By the method of looking up table, the sinusoidal signal can produce little periodic signal, which is difficult for the previous signal generators.
详细介绍了软件正弦波音频信号发生器的开发。
How to develop the sine wave audio signal generator is described in detail in this paper.
该函数信号发生器可输出三角波，方波和正弦波。
The generator can output three kinds of waves : sine wave , square wave , triangle wave.
该种信号发生器主要用于模拟科氏质量流量计传感器产生两路相位差可调的正弦信号，测试表明：其输出波形好，相位差精度高。
It produces two channels sine signals of which phase difference is adjustable to simulate the CMF sensor output with good wave outputting and high precise phase difference approved by test.
本文简要介绍了快速正弦扫频试验技术及其使用的信号发生器的原理，并给出了典型应用实例。
The rapid frequency sweep technique and its basic principle have been introduced. Some examples of its practical application are given in the Paper.
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。
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.
此信号发生器可以方便输出正弦波、方波和指数波等各种不同波形的信号，输出信号的频率和幅值等参数可通过前面板控制。
Different signals such as sine waveform, step waveform and exponential waveform are available. Its frequency and phase can be adjusted precisely through the front panel.
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.
在典型的R LC振荡放电电路中，引入5 5 5时基电路和水银继电器作为控制电路，设计了阻尼正弦瞬变信号发生器。
In typical R-L-C resonance circuit, the 555-time-circuit and mercury relay are used as control unit. A damped sinusoid source is designed. It has been proved that the source satisfies our request.
在典型的R LC振荡放电电路中，引入5 5 5时基电路和水银继电器作为控制电路，设计了阻尼正弦瞬变信号发生器。
In typical R-L-C resonance circuit, the 555-time-circuit and mercury relay are used as control unit. A damped sinusoid source is designed. It has been proved that the source satisfies our request.
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