Short-wave communication is an important wireless communications technology in the field of military communications.
短波通信是军事通信领域中一种重要的无线通信技术。
Short wave is radio frequency band earliest utilized by human being, and short wave communication is one modern communication method with a long history.
短波是人类最早开发利用的无线电频段，短波通信是历史最为悠久的现代通信手段之一。
This paper introduces a new Electronic Toll Collection (ETC) design, which adopts infrared wireless communication technology instead of RF wave communication.
介绍了一种新型的电子收费系统，利用红外光通信技术代替微波通信，在高速公路上实现全自动收费。
Frequency hopping technology has served in all kinds of communication systems with its excellent interference resistance ability, especially in short wave communication system.
跳频通信技术因其具有良好的抗干扰能力而被广泛应用于各类通信系统中，尤其是短波通信中。
Ultrasonic wave communication can be realized with lower cost of using the present invention.
使用本发明能够在成本较低的情况下，实现超声波通讯。
It can improve the transmission performances of power line carrier wave communication systems.
该改进方案改善了电力线载波通信系统的传输性能。
This paper presents a prediction model of frequency parameters of short-wave communication based on non-singleton fuzzy system.
提出一种利用非单点模糊系统建模的短波通信频率参数预测模型。
Based on the analyses of point to point millimeter wave communication system, we study and design the modulation and demodulation.
在分析毫米波点对点通信系统的基础上，研究和设计了其中的调制解调部分。
Wireless communication has different forms of interference, so ultrashort wave communication interference is an inevitable problem.
无线通讯通常存在不同形式的干扰，因此超短波通信受干扰也是不可避免的问题。
It is inevitable that the communication system is disturbed, especially the short wave communication, its signal is easily disturbed by the noise.
通讯系统中的干扰是不可避免的，尤其是短波通讯，信号更容易受到噪声的干扰。
To reduce the errors of digital communication, the WDTP (Wireless Data Transmission Proof) agreement was proposed for ultrashort wave communication.
针对超短波通信，提出WDTP协议，可减小数据通信误码率。
This paper designed a full digital modulator and a full digital demodulator for the millimeter wave communication machine based on the soft radio theory.
本文利用软件无线电的思想为毫米波保密通信机设计了一个全数字的调制解调器。
The subject researches for how to connect different kind of ultra wave communication devices using a universal platform to realize connection and communication.
该课题研究如何将不同种类的超短波通信设备用一个通用平台连接起来，实现互连互通。
The main control device comprises a singlechip and a memory, buttons, a display device and an electrical carrier wave communication module which are connected with the singlechip.
主控装置包括单片机及与单片机电连接的存储器、按键、显示装置、电力载波通讯模块。
In this paper, the constitutions and characteristics of millimeter wave communication system are expatiated. The atmosphere factors influence on millimeter wave system are analyzed and discussed.
首先阐述了毫米波通信系统的组成和特点，并对影响毫米波系统性能的大气因素进行了分析和讨论。
Good command of professional knowledge in digital circuit, analog circuitry, control principle, or electromagnetic wave, communication.
精通数字、模拟电路、控制原理、电波通讯等专业知识。
Good command of professional knowledge in digital circuit, analog circuitry, control principle, or electromagnetic wave, communication.
精通数字、模拟电路、控制原理、电波通讯等专业知识。
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