We propose a second decimation algorithm for widening the range of sweep width in the AD9874 based digital receiver.
基于AD9874 芯片的数字接收机，我们提出了一种扩展数字接收机谱宽的二次抽取算法。
Verification works on vertical deflection sensitivity and horizontal sweep speed of digital oscilloscope are summarized.
总结了数字示波器垂直偏转灵敏度和水平扫描速度的检定工作。
A novel method of direct digital synthesizing frequency sweep signal is presented.
介绍了利用直接数字合成技术产生频率扫描信号的新方法。
The direct digital synthesizer (DDS) is used to sweep frequency for a sandwich piezoelectric transducer two admittance circles of the transducer about two different resonance frequencies is measured.
利用直接数字合成器(DDS)对夹心式换能器进行扫频，测得两个不同共振频率附近的导纳圆。
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.
为确保数字传输电缆和各种音响喇叭线、电源线在质量上的稳定性，公司还配备有扫频测试仪，并提供产业信息传输线质量监督检验中心检测报告。
Here we propose a second decimation algorithm for widening the range of sweep width in the AD9874 based digital receiver to meet the sweep width requirement set by the clinic imaging pulse sequences.
针对基于AD9874芯片的数字接收机的最小谱宽和谱宽允许设置的数目均不能满足常规临床用磁共振成像技术的要求，本文从软件角度提出了一种扩展数字接收机谱宽的二次抽取算法。
After the sequence passes through digital-to-analog converter and low pass filter, the desired frequency sweep signal is synthesized by the method of direct digital synthesis.
该序列通过数-模转换器和低通滤波器后，产生出频率扫描信号。
After the sequence passes through digital-to-analog converter and low pass filter, the desired frequency sweep signal is synthesized by the method of direct digital synthesis.
该序列通过数-模转换器和低通滤波器后，产生出频率扫描信号。
应用推荐