in this paper, sine wave frequency sweep signal generator for multifunction ultrasonic instrument is presented.
提出了一种适用于多功能超声手术装置的正弦波扫频信号发生器。
based on the theory, dds is realized with cpld through program and the design of sweep signal generator is finished. and the system will have high price performance ratio.
基于此理论,本文用cpld通过编程实现dds,完成了扫频信号发生器的设计,此系统具有很高的性价比。
sweep signal generator is a device that generates excitation signal.
扫频信号发生器是一种信号激励装置。
based on dds technology, the sweep signal generator of sweeper bt4 is remade to improve the overall performance, featuring higher stability, resolution and precision.
基于dds技术,改造bt 4型扫频仪中的扫频信号发生器,使其具有高稳定度、高分辨率、高精度的特点。
to ensure the quality of digital communication cable and kinds of power line, we also introduced sweep signal generator to provide test report for cable's transportation capacity.
sweep and program-controlled signal generator sweep signal generator can produce a constant rate, the frequency of a limited scope for changes in the linear signal.