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1)  MWD
无线随钻系统
1.
Analysis and Control of System Noise in MWD;
无线随钻系统噪声信号分析与控制
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2)  wireless MWD
无线随钻
1.
Based on operational principle,strongpoint and disadvantage of the two kinds of instrument,explained main sector of wired MWD-pumping seat key,hand pump pressure and cable lowering speed control,as well as wireless MWD control technology of drilling tool face,PMWD operational environment determination in detail.
随钻测量仪分为有线随钻测量仪和无线随钻测量仪。
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3)  MWD
无线随钻测量
1.
THE RESEARCH AND APPLICATION OF HZMWD;
HZMWD无线随钻测量与传输系统的研制与应用
2.
Firstly the role of the rotary pressure signal generator is introduced in the system of wireless MWD,and based on the principle of the rotary pressure signal generator,a system structure models are designed,according to the different stages of the process,various process valves mouth dynamic equation is established.
介绍了压力信号发生器在无线随钻测量系统中的作用,以旋转压力信号发生器的基本工作原理为基础,设计了系统的结构模型,根据系统在工作过程中不同阶段的特点,建立了各个过程中的阀口动态方程;以转速和开度为控制输入,进行了实例仿真。
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4)  wireless log tool while drilling
无线随钻测井仪
5)  LWD system
随钻测井系统
1.
A low power design method with underground sensors used in LWD system is presented.
提出了随钻测井系统井下传感器的一种低功耗设计方法。
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6)  Wireless System
无线系统
1.
It is expected that there will be much more cases of the adoption of smart antenna techniques in future wireless system design.
智能天线是提高无线传输性能的一项关键技术,是无线通信领域持续的研究热点之一,其中部分研究成果已经在无线通信、雷达、电子对抗等广泛的领域获得了成功的应用,并且未来无线系统设计中会越来越多的采用智能天线技术。
2.
Based on the development history of wavelet analysis,this paper introduced its research in future wireless system and pointed out some future research direction.
简要概括了小波分析的发展历程,介绍了小波分析在无线系统中应用的研究工作,并指出了未来的一些研究方向。
补充资料：无线电通信波段(见无线电通信)


无线电通信波段(见无线电通信)
radio communication wave range

wuxiandian tongXin boduan无线电通信波段(rads。。ommunicationWaVe range)见无线电通信。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条