低频通信,low-frequency communication
1)low-frequency communication低频通信
英文短句/例句
1.steel-tape armoured lead sheathed low-frequency communication cable铅包钢带铠装低频通信电缆
2.Applied research of convolutional code and turbo code in VLF communication system卷积码和Turb0码在甚低频通信系统中的应用研究
3.General purpose specification of low frequency signal generatorsGB/T12181-1990低频信号发生器通用技术条件
4.Test methods for general purpose low frequency signal generatorsGB/T12180-1990低频信号发生器通用测试方法
5.Design of HF Spread Spectrum Communication System Based on Moderate-Low Speed基于中低速率短波扩频通信系统设计
6.Low Noise Low Power CMOS Radio Receivers Design for Wireless Communication;无线通信中低噪声低功耗CMOS射频接收芯片设计
7.The Research on the OFDM for the Power Line Communication;低压电力线通信中的正交频分复用技术研究
8.Research on Method of Low-Voltage Power Line Communication Based on Frequency Hopping Technology;基于跳频技术的低压电力线通信方法研究
9.The Research of Lower-voltage Power Line Communication Board Based on Spread Spectrum Technology;基于扩频技术的低压电力线通信板的研究
10.Low-rate Convolutional Codes Used in Code-Spread CDMA System;低码率卷积码在扩频通信系统中的应用
11.Research on Application of Low/Zero Correlation Zone Sequence Pairs in Spread Spectrum Communication System;低/零相关区序列偶应用于扩频通信系统的研究
12.Design and Simulation of Low Complexity Frequency Hopping Systems Using LDPC Codes采用LDPC码的低复杂度跳频通信系统设计与仿真
13.Design and Simulation of Low Frequency 2DPSK Inductive Communication System Based on MATLAB基于MATLAB的2DPSK低频感应通信系统仿真设计
14.Study on channel estimation based on hybrid type pilot and FFT lowpass filtering for OFDM基于混合结构导频和FFT低通滤波的OFDM信道估计
15.Application of ADF4350 frequency synthesizer with low phase noise in the RF wireless communication deviceADF4350低相噪频率合成器在射频无线通信设备中的应用
16.Bandwidth: The difference (in hertz) between the upper and lower limits of wave frequencies transmitted over a communications channel.波段阔度:在一个通信通道中，最高和最低波频率（单位是赫兹）的差别。
17.Out in the no-mans land of the international waters are the only means of communication with the submarines, to use radio in the VLF or ELF range.在茫茫大洋深处，唯一可用的通信手段就是甚低频或者极低频无线电。
18.Abstract: The VLF Through-the-Earth Communication system is recognized as the most reliable way of conveying dispatching information due to its special transmission media.文摘:由于大地信道稳定，低频透地通信被认为是最可靠的救急通信方式。
相关短句/例句
VLF/LF conmunication甚低频/低频通信
3)VLF communication甚低频通信
4)ELF communication超低频通信
1.This paper deals with anti-jamming performance of extremely low frequency(ELF) communications for military purposes after analyzing the advantages ofELF communication systems and modern jamming models for communication.在分析和研究外军超低频通信系统基础上,针对超低频通信系统性能特点,结合现代无线通信干扰基本模式,分析了超低频通信系统优良的抗干扰性能。
2.The different signal directional distributions and frequency spectrum characteristics of electromagnetic noises due to many factors and their influence on submarineELF communications are also studied.对潜超低频通信信号的接收会受到很强噪声的干扰。
5)lowfrequency magnetic communication低频磁通信
6)VLF communication system甚低频通信系统
延伸阅读
低频1.指应用于某一技术领域中的最低频率范围。例如，无线电波段中，将30～300千赫范围内的频率称低频;电子放大电路中，将接近音频(20赫兹～2万赫兹)的频率称为低频。
