Combined with the characteristics of HF channel,the structure of 3G-HF frequency management system is studied,and an implementation of the frequency management is proposed.
美军标MIL-STD-188-141B给出了第三代短波通信的技术要求,文中介绍了其中的自动链路建立技术,并结合短波信道的特点对第三代短波通信的频率管理系统结构进行了分析,给出了频率管理的实现方法。
Navy about rader dynamic frequency management are introduced in this paper.
文章介绍了美国海军在雷达动态频率管理方面取得的研究成果,包括雷达动态频率管理的仿真架构、动态频率管理模式及其性能比较、扩展动态频率管理应用场景的复杂协商方法等。
Therefore,a new kind of equipment was provided for HF frequency management system.
为满足短波频率管理系统对电离层斜向返回探测系统提出的可搬移、小体积等需求,设计了一种新型单站式WIOBSS(武汉电离层斜向返回探测系统)。
Research on the Technology of Frequency Management of 3G HF Communication Network;
第三代短波通信网频率管理技术研究
Brief Introduction to the Frequency Management Algorithm of the US Air Force Air Communication Platform;
美军空中通信平台频率管理算法简介
Headway and Enlightenment of U.S. Navy Radar Dynamic Frequency Management Techniques
美国海军雷达动态频率管理技术进展及启示
The Research of Freqency Assignment in Frequency Spectrum Management System;
电磁频谱管理中的频率分配技术研究
DSM BASED FREQUENCY QUALITY CONTROL OF POWER SYSTEMS
基于需求侧管理的频率质量控制探讨
Frequency and Magnitude of Earnings Management of Listed Companies in China;
中国上市公司盈余管理的频率与幅度
Influence of Physical Parameters on Vibrating Natural Frequency of Pressure Pipeline;
物理参数对压力管道振动固有频率的影响
field-effect HF power transistor
场效应高频功率晶体管
cyclotron-frequency magnetron
回旋加速频率磁控管
Probability and Relative Frequency--Comment on Popper’s Interpretation for Probability;
概率与相对频率——评波普尔的概率理论
RF Oscillator and Mixer Operating on Transistor Characteristic Frequency;
三极管特征频率下射频振荡器和混频器
Effects and Mechanisms of Spinal Cord Stimulation-Induced Vasodilation with Different Frequencies on Lower Limbs;
不同频率脊髓刺激引起下肢血管扩张的效应及机理研究
image frequency
像频;镜频;镜频;镜像频率;镜像频率;帧频
germanium low frequency high power triode
锗低频大功率晶体三极管
Detail view of sensor to measure the inner pipe's resonant frequency.
用来测量内管共振频率之感测器详图。
If unable to contact Kun Ming Control, revert to this frequency.
如不能联系昆明管制，回到这个频率。
The Discussion on Frequency Transformation of the Diodes Circuit in the on-off Speciality;
浅谈二极管开关特性电路的频率变换
The low-frequency power amplifier based on MOS tube
基于MOS管低频功率放大器的设计