摘要
以虚拟仪器技术为核心,借助于计算机资源并结合声卡等硬件,采用LabVIEW软件开发平台设计了一款基于声卡的双通道信号发生器。双通道信号发生器通过声卡的D/A通道输出波形信号,可以产生正弦波、方波、三角波、锯齿波和任意波形。具有参数设置、功能选择、信号输出时域波形监测等功能。该信号发生器具有功能强大、界面友好、使用更为方便等优点,而且改进后的虚拟信号发生器大大节约了科研经费,具有良好的应用前景。
Virtual Instrument technology as the core, combined with the aid of computer sound cards and other hardware resources, using LabVlEW software development platform designed a dual-channel sound card based Signal Generator. Dual-channel signal generator through the sound card D / A channel output waveform signal, you can produce sine, square, triangle,sawtooth wave and arbitrary waveform. With parameter settings, feature selection, signal output time-domain waveform monitoring and other functions. The signal generator has a powerful, user-friendly, more convenient to use, etc.Virtual signal generator and the improved greatly save funds research, has a good application prospect.
