The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login  | Sign Up  |  Oriprobe Inc. Feed
China/Asia On Demand
Journal Articles
Laws/Policies/Regulations
Companies/Products
Bookmark and Share
Application of DDS in A LWD Electromagnetic Wave Tool Design
Author(s): 
Pages: 173-176
Year: Issue:  2
Journal: WELL LOGGING TECHNOLOGY

Keyword:  测井仪器直接数字频率合成技术(DDS)功耗分辨率随钻电阻率测井仪;
Abstract: 直接数字频率合成技术(Direct Digital Synthesize,DDS)具有频率分辨率高、输出频率稳定、功耗低等优点.分析研究了DDS技术的基本原理和DDS芯片AD9850的工作特点,介绍了它在随钻电磁波电阻率测井仪信号源设计中的应用,并给出了它和DSP处理器的硬件接口和程序流程.试验结果表明,利用DDS技术产生的信号能满足测井的需要,为随钻电阻率测井技术提供了新手段.
Related Articles
No related articles found