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- This system based on FPGA, MCU and the essential simulated circuit, forms a signal generator of Sin wave based on DDS technology. 摘要系统以FPGA和单片机为核心,辅以必要的模拟电路,构成了一个基于DDS技术的正弦信号发生器。
- Using the carrier to carry digital information in modern communication is a widespread application, such as PSK and QAM technologies, both of them need the carrier with sin wave. 摘要在现代通信中利用载波携带数字信息的传输应用广泛,如PSK、QAM等调制技术均要用到正弦形式的载波。
- Not only can the signal generator generate Sin wave, FM wave, AM wave, PM wave, but also it can carry out 2FSK, 2ASK, 2PSK. 该信号发生器不仅能实现正弦波,调频波、调幅波、调相波,还能实现二进制频移键控、相移键控、幅度键控。
- A realization technique of high speed arbitrary wave generator based on dual DDS(direct digital frequency synthesizer) is presented. 提出了一种基于双DDS(Direct Digital Frequency Synthesizer)的高速任意波发生器实现技术。
- The work point should be controlled when open-loop Fiber Optic Gyroscope (FOG) is working, so a sin wave modulation signal with adjustable amplitude must be produced by digital method. 摘要开环光纤陀螺在工作时需要对其工作点进行控制,这就要求能够用数字的方法产生一个幅度可调的正弦波调制信号。
- Abstract: In order to advance the application of various digital RF tests, Tektronix held a news conference and promoted a new arbitrary wave generator called AWG5000. 摘 要: 为了更好地推进各类数字RF应用的测试工作,泰克公司举行新闻发布会,推出了AWG5000任意波形发生器。
- In order to advance the application of various digital RF tests,Tektronix held a news conference and promoted a new arbitrary wave generator called AWG5000. 为了更好地推进各类数字RF应用的测试工作,泰克公司举行新闻发布会,推出了AWG5000任意波形发生器。
- VHD - functions: the sine wave generated 156.25KHz. VHD --功能:产生156.;25KHz的正弦波。
- Design using VHDL language of sine wave generator, but the basic operation of reference for learning! 利用VHDL语言设计的正弦波发生器,只是基本操作,仅供学习参考!
- Adjustable square wave generator, square wave to control the amplitude, frequency, duty cycle. 可调方波发生器,可以控制方波的幅值,频率,占空比。
- Optional shock wave generator that introduced from Germany, which has the advantages in fragmentation efficiency, low noise and low cost of lithotripsy. 采用引进德国技术的电磁波源发生器,具有碎石效果好,无噪声,低成本碎石的优点。
- This paper mainly presents a advanced double circuit sine?wave generator which comprises W77E58, CPLD, AD9835 and other ASIC. 用直接数字频率合成技术和高速单片机W77E58,可编程逻辑器件CPLD,直接数字频率合成专用芯片AD9835等超大规模集成电路来产生具有两路正弦波输出的信号发生器。
- Piezoelectric wave generator contains more than eight groups of piezoelectric actuators and displacement amplifiers with flexible hinges. 压电波发生器由八组以上压电驱动器及弹性铰链位移放大机构组合而成。
- To overcome this disadvantage, this study is to design gapcontrolled electrodes for a shock wave generator of an electrohydraulic lithotriptor. 为克服此缺点,本研究主要在设计可控制间距电极组,控制间距可以产生更稳定的聚焦压力。
- Spectrumanalyzer, Oscilloscope und Wave Generator with the help of a soundcard and the audioTester: With the help of a high quality soundcard your PC will be an audio labour. 简介:声音测试软件,配合一块高质量的声卡,使PC机成为一个声音实验室。
- Digital audio Sound waves generate air pressure oscillations that stimulate the human auditory system. 数字音频声波产生气压振动刺激人的听觉系统。
- The triangle wave generator, which is composed of FET and operational amplifier circuit, is applied to trigger circuit of automatic phase - shift of flash lamp. It solves the technical problem to view the high frequncy vibrator. 场效应管与运算放大器组成的三角波信号发生器,用于频闪灯触发信号的自动移相,解决了观察高频振动物体的关键技术问题。
- By requirement of 2008 Olympiad sailing games at Qingdao, the experimental study on breakwaters for structural stability, wave overtopping and reflection are made in the two-dimension wave flume with irregular wave generator. 2008北京奥运会青岛帆船比赛基地工程为了保证赛场基地内工程的水工建筑物安全可靠,满足奥运会期间帆船比赛的各项要求,进行波浪断面物理模型试验,以验证防波堤断面结构的合理性及稳定性。
- These phenomena could be caused by the effect of long-period wave generated from a large earthquake on far-field. 这些可能是大震的长周期波在远场的效应所致。
- A wave generated by an oscillator and transmitted on a communications channel; it is modulated to carry speech or data. 由振荡器产生并在通讯信道上传输的电波。它被调制后用来传送语音或其它信息。