...频率选取;噪声干扰 [gap=334]eywords : wireless communication in mine/underground; very low frequency (VLF) ; frequency selection ; noise; ...
基于20个网页-相关网页
Dynamic Frequency Selection 动态频率选择
frequency selection network 选频网络
frequency selection circuit 选频电路
Stepless Frequency Selection 频率调整 ; 增频选项 ; 无段超频频率调整 ; 无级频率控制
frequency-selection characteristic 选频特性
one-frequency selection system 单频选择制
This structure use double 980nm laser diodes as its pump sources. Narrow line width laser is obtained by using fiber Bragg grating F-P frequency selection and feedback modulation method.
该结构采用980nm半导体激光器双向泵浦,利用光纤光栅法布罩.珀罗腔选频和反馈调节相结合的方法,获得窄线宽激光输出。
参考来源 - 谐振式光纤陀螺仪及窄线宽光纤激光器研究Experimental results are agreeing with the theoretical calculations. It provides an effective way in the frequency selection of non-intervention ultrasonic liquid level detection.
实验结果与理论计算一致,由此为非介入式超声液位检测的频率选择提供了一条有效途径。
参考来源 - 超声液位检测频率选择的理论计算和实验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The core part of the circuit is differential and frequency selection.
电路核心部分由微分电路和选频电路组成。
One of the crucial techniques in burst communication is adaptive frequency selection.
在这种通信任式中，一个关键技术是自适应选频技术。
Calling a registered frequency when the Automatic frequency Selection function is not used. This example calls a frequency channel 01.
不使用自动频率选择功能时，调出已登记的频率。该例调出01频道的频率。
应用推荐