系统设计完成后，利用频率发生器对系统精度进行检验。
After the system is designed, frequency generator is used to test the precision of system.
这是基于DDS的正弦频率发生器的设计和实现以及应用。
This is a DDS-based sinusoidal frequency generator of the design and implementation and application.
本文介绍的是一种频率和幅度可以控制的信号发生器。
This article describes the frequency and magnitude of the control of the generators.
有一个2位数的数字发生器，能够提供ARINC 568、 582和429 （高&低频率）的数字模拟，并带有静态和动态速率。
Two Word Digital Generator capable of supplying Digital Simulations of ARINC 568, 582 and 429 (Hi & Lo Frequencies) with both Static and Dynamic Rates is available.
系统的分析了频率跟踪移相PWM控制全桥供电的串联谐振负载式DBD型臭氧发生器电源系统的工作过程。
The working processes of the frequency-tracking phase-shift PWM controlled full bridge power supply load series resonant type DBD ozone generation power system are analyzed.
其插补精度与最大进给速度、机床系统的脉冲当量、插补周期，以及脉冲发生器的输出脉冲频率有关。
The interpolation precision is correlated with Max feed rate pulse equivalent of CNC cyc of interpolation and output impulse frequency of pulse generator.
频率跟踪电路是超声波发生器中的一种特殊电路。
Frequency tracking circuit is one of the special circuits used in the ultrasonic generator.
信号发生器所产生的波形的频率、幅值、零点均为连续可调。
The frequency, amplitude, zero-point of signal generated by generator can be adjust continuously.
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.
最终实现频率、相位、复合波形皆可调节的直接数字合成的信号发生器。
The DDS signal generator which can adjust signal phase, signal frequency and complex wave is designed.
用可编程脉冲信号发生器控制激光脉冲的频率、脉宽和功率，使激光脉冲在微机控制下可组成各种激光脉冲序列。
A programmable pulse signal generator is used for controlling laser frequency, pulse width and power, when the laser pulse is controled by a computer, it can generate a series of laser pulses.
本文介绍了一种基于CPLD的直接数字频率合成（DDFS）的实现方法，详细阐述了采用此技术设计多功能信号发生器的方法。
This paper introduces a design of Direct Digital Frequency Synthesis(DDFS) based on CPLD, and describes clearly the design method of a multi-function waveform generator using DDFS.
它能自动跟踪功率超声发生器的谐振频率，同时还可根据需要自动调节输出功率，并具备显示报警功能。
This power supply can automatically trace the resonant frequency of an ultrasonic generator, automatically adjust its power output according to needs, and has an alarm display function.
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.
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；
The system adopts direct digital synthetic (DDS) technology for building the sine wave generator to realize continuous regulation of amplitude, frequency and phase modulation.
成功地实现了汉宁窗、高斯窗调制的任意频率单音频信号的产生，达到了任意波形发生器的功能。
The real arbitrary waveform generator that can generate single acoustic frequency signal modulated by Manning window and Gaussian window is developed.
实验结果表明，研制的智能超声波发生器频率跟踪迅速准确，并能实现振动系统的恒定振幅控制，可以实现振动系统的自动运行。
Preliminary experiments show that the smart ultrasonic generator based on the new method can quickly and accurately frequency track, and can work well with constant amplitude control.
设计了自适应跳频图案发生器，利用信道质量评估结果，完成了自适应频率选择。
The generator of adaptive FH pattern is designed. By using it and the result of the LQA, adaptive frequency selection is accomplished.
针对“便携式汽车仪表总成校验箱”系统的开发需要，设计了一种用于汽车电子转速表、里程表校验的频率信号发生器，论述了电路的设计原理和设计思想。
Due to need for the development of portable motor meter assembly checking box, a kind of frequency signal generator is designed, detailed design principle and idea are discussed.
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.
采用直接数字合成（DDS）技术构建双路正弦波及同步方波发生器，实现幅值、频率、相位等连续调节；
Based on DDS technique, the signal generator can create two signals, i. e. the sinewave and the square wave signals, and its amplitude, frequency and phase can be continuously adjusted.
跳频方案采用软件无线电技术，采用DSP作为伪码发生器，控制DDS输出频率，得到相应的跳频图案。
The frequency hopping system based on software radio, DSP is used to generate quasi-stochastic sequence and control the output frequency of DDS to construct required hopping maps.
文章就采用中大规模集成电路设计一个新型的多波形发生器，并由单片机系统控制其输出频率和幅度的步进调节，实现数码显示等展开了讨。
The step adjustment of the generator output frequency and amplitude is controlled by a single chip microcomputer in order to realize the digital display.
首先，本文对数字频率直接合成(DDS)技术的特点进行介绍，提出一种基于DDS技术的任意波形发生器(AWG)的改进结构。
First of all, this thesis introduces the features of Direct Digital Frequency Synthesis (DDS) technique and gives a new structure of the Arbitrary Waveform Generators (AWG) base on DDS technology.
铁道机车车辆牵引领域中的转矩控制是利用脉冲发生器（PG）来检测牵引感应电动机的转子频率。
The Pulse Generators PGs are equipped to detect the rotor frequency of induction traction motors for the torque control in railway vehicle traction field.
本文阐述了智能测试系统中高精度频率相位发生器的设计。
The design of the high-precision frequency generator in the intelligent test system is analyzed in this thesis.
AD 5932是提供可编程频率扫描的波形发生器。
The AD5932 is a waveform generator providing a programmable frequency scan.
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.
频率合成器是一种频率稳定度较高的离散间隔型频率信号发生器，广泛应用在通信、雷达、仪器仪表及导航系统中。
The frequency synthesizer is a kind of discrete frequency singal generator with high stability, and it is widely used in communication, radar, apparatus and navigation system.
介绍了使用软件方法，在虚拟仪器模式下，用任意波发生器产生精确相移与合成任意频率的周期信号。
A method of digital phase moving and frequency synthesizing by using software technique is introduced, it is upon the arbitrary waveform generator, and in the virtual instrumentation mode.
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