差分跳频是一种新型的跳频通信技术。
Differential frequency hopping (DFH) is a kind of new frequency hopping (FH) technique.
简述了跳频通信的基本原理。
FHS1时隙跳频序列。
主要有两种选择，直接序列扩频和跳频扩频。
There are two main alternatives, Direct Sequence Spread Spectrum and Frequency Hopping Spread Spectrum.
该技术有两个明显的变型：直接顺序与跳频。
Spread spectrum has two distinct flavors: direct sequence and frequency hopping.
跳频通信是一种具有较强抗干扰能力的通信体制。
Frequency hopping communication is a kind of communication system with strong anti-jamming capability.
本文主要讨论当跳频速率在每秒万次以上的情况。
In this paper, the hop rate over ten thousands per second has been discussed.
跳频技术在短距离通信领域内具有很强的抗干扰能力。
Frequency hopping technology has the strong anti jamming ability in the short distance communication field.
快跳频系统指每秒频率跳变在一千次以上的跳频系统。
Fast frequency hopping system is the system whose hop rate is above one thousand per second.
对正确应用跳频通信系统和提高其战斗效能具有重要意义。
It is importance for us to exert the battle efficiency and improve the battle effectiveness of FH communication systems.
跳频序列的性能对跳频通信系统的性能有着决定性的影响。
The properties of frequency hopping sequences have a decisive impact on the performance of frequency hopping communication systems.
数据包在跳频序列中的位置由主设备中的一个27位计数器决定。
The position in the sequence is determined by a 27-bit counter in the master device.
根据信号的跳频和编码特性，距离的处理可以用两种方法实现。
Based on the signal characteristic of frequency agile and coding, the processing of range will be carry out in two kinds of methods.
频率转移函数设计和信号的检测方法是差分跳频中的关键技术。
The frequencies transition function and the method of signal detection are the key technologies in this system.
对于发挥军事跳频电台的战斗效能、提高其战斗力具有重要意义。
It is significant for us to exert the battle efficiency and improve the battle effectiveness of military FH radios.
与常规的跳频序列相比，COSTAS阵列具有良好的相关特性。
COSTAS array has better correlation properties compared with the normal frequency hopping arrays.
在跳频通信系统中，组网是关系到跳频通信能否正常建立的关键。
Networking is the key for the frequency hopping (FH) communications to be working properly in the FH system.
文中阐述了跳频技术的特点及基带和射频跳频技术的具体使用方法。
This paper introduces the characteristics of hopping frequency technology and the utilization of baseband and RF hopping frequency technology.
跳频编码脉冲信号是一种新的脉冲压缩雷达信号形式，极具研究价值。
The frequency hopping coded signal is a new pulse compression radar signal, and has great analysis value.
跳频通信是一种有效的保密通信方式，其关键在于使收发双方保持同步。
Frequency hopping communication is an effective method for secret communication, and its key step is synchronization.
跳频电台自动测试系统可以完成对跳频电台指标的测试，并具有通用性。
The hopping radio ATS can test the performance index of hopping radio, and it has great generality.
基于这些特点用干扰同步信号的方式来对跳频同步信号实施同步瞄准式干扰。
Based on the characteristics of the TOD FH synchronous technique, which works by means of identifying, separating and jamming FH synchronous signals.
它利用了混沌对初始条件敏感、轨迹具有不可预测性的特点来产生跳频序列。
It utilizes the characteristic of sensitivity to initialization and indeterminism to contrail, so chaotic property determines the performance of chaotic sequence.
军事上为了正确应用跳频电台，必须对影响跳频电台正常通信的因素进行研究。
In order to use the military FH radios correctly we must study the factors of affecting the military FH radios.
这对从理论上认识跳频通信和捷变频雷达跳频码的本质，具有重要的理论意义。
It has important significance to recognizing HF communication and frequency agile radar on theory and essence.
模型实现了跳频电台的各项功能，准确描述了该跳频无线通信网络的通信行为。
The models implement all functions of the FH radio, and describe the actions of frequency-hopping communication exactly.
频率转移函数是相关跳频的关键技术之一，将直接影响相关跳频通信系统的性能。
The frequency transition function in DFH system is one of the key technologies and will influences the performance of the corresponding communication system considerably.
最终以通过检测的跳频解跳与数字中频接收机的实物作为硕士期间的研究成果呈现。
Finally the fruit of research for my master degree presents in the way of actual de-hopping and digital intermediate frequency receivers that have passed the examination.
对跳频信号的时频域进行分析是研究跳频通信，实现识别、跟踪跳频信号的重要基础。
It is crucial to study the features of the frequency hopping signals in both time and frequency domain in order to detect and trace the FH signals.
对跳频信号的时频域进行分析是研究跳频通信，实现识别、跟踪跳频信号的重要基础。
It is crucial to study the features of the frequency hopping signals in both time and frequency domain in order to detect and trace the FH signals.
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