In this paper, the design method of hopping frequency signals based on the technology of DDS is given.
给出了一种基于DDS技术的跳频信号源的设计方法。
We also introduce the application of SESS in hopping frequency, hopping time communication system and multiple access system, etc.
此外，介绍了自编码技术在跳频、跳时系统中的应用和自编码多址技术。
The technology of DDS has many values, such as the speed of hopping frequency is very high, the resolving power of frequency is also high.
这种直接数字式频率合成技术(DDS)具有频率值转换速度快、频率值分辨率高、控制频率的相位值连续等优点。
This paper introduces the characteristics of hopping frequency technology and the utilization of baseband and RF hopping frequency technology.
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。
Fifthly, we lucubrate the chaotic characteristic of the real hopping frequency codes and propose the chaotic model of hopping frequency codes.
深入研究了实际侦收到的跳频码的混沌特性，提出了跳频码的混沌模型。
Hopping frequency (FH) communication technology is the important part of spread spectrum communication, which is widely applied in anti-jamming communication.
跳频技术是扩频通信中的一种抗干扰的实用技术。
The results shown that the MAI performance of NHZ quasi-synchronous system used NHZ sequences outperforms the asynchronous system employing random hopping frequency sequences.
研究结果表明，采用NHZ跳频序列的准同步跳频通信系统的MAI性能优于采用随机跳频序列的异步跳频通信系统。
The paper presents a new radar system based on frequency Modulated Interrupting Continuous Wave (FMICW) by exploiting the hopping frequency technique to improve the capability of HFGWR.
为提高高频地波雷达的抗干扰能力，提出了一种在线性调频中断连续波的基础上基于跳频技术的新高频地波雷达体制。
Each data packet is transmitted on a different frequency channel, following a pseudo-random hopping sequence determined by the device address of the master device.
在一个由主设备的设备地址决定的伪随机跳频序列的指引下，每一个数据包都经由不同的频率信道来传输。
More is also to be spent on protecting satellite communications through encryption and frequency hopping.
美将会投入更多精力于加密和频率跳变等技术，以保护卫星通讯。
FHS 1 slot Frequency Hopping Sequence.
FHS1时隙跳频序列。
Finally, Bluetooth technology solutions implement Adaptive Frequency Hopping to ensure, which ensures we are a good neighbor technology, and we have done this for years.
最后，蓝牙技术方案实现了适应跳频(AdaptiveFrequency Hopping)技术以确保在无线连接技术的世界中，我们是一个好邻居，并且我们已经为此而工作了数个年头。
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。
Frequency hopping technology has the strong anti jamming ability in the short distance communication field.
跳频技术在短距离通信领域内具有很强的抗干扰能力。
Some technique problems in fast frequency hopping synthesis are solved by making use of a programmable time division-fractional division PLL.
该合成器采用程控时分复用小数分频锁相技术，解决了快速跳频频率合成中的诸多固难。
The zero-crossings of the AC voltage and digital frequency synthesizer are used in solving the two main problems in frequency hopping system-synchronization and fast frequency synthesizing.
利用电力系统三相交流电压过零点和高速数字频率合成器解决了跳频系统中同步和快速频率合成的两个关键问题。
The frequency hopping coded signal is a new pulse compression radar signal, and has great analysis value.
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。
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.
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。
Differential frequency hopping (DFH) is a kind of new frequency hopping (FH) technique.
差分跳频是一种新型的跳频通信技术。
An acquisition method of frequency hopping signal in a TDMA system is presented in this paper.
本文提出一种时分多址跳频信号的捕获方法。
Frequency-selective frequency hopping(FH) cosite d interference is a typical long impulse response interference.
跳频同址干扰具有频率选择性，是典型的长脉冲响应干扰。
Frequency hopping communication is an effective method for secret communication, and its key step is synchronization.
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 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。
There are two main alternatives, Direct Sequence Spread Spectrum and Frequency Hopping Spread Spectrum.
主要有两种选择，直接序列扩频和跳频扩频。
Basing on development trend of short wave frequency hopping radio, this paper analyses some key techniques about the new type short wave digital frequency hopping radio.
本文根据短波跳频电台的发展趋势，重点分析了研制新型短波数字跳频电台所涉及的若干关键技术问题。
Frequency hopping communication is a kind of communication system with strong anti-jamming capability.
跳频通信是一种具有较强抗干扰能力的通信体制。
An adaptive acquisition strategy for slow frequency hopping spread spectrum system is proposed.
提出了一种应用于跳频扩频系统的自适应捕获策略。
The paper introduces the composition and the operation mode of frequency hopping (FH) communication system and the design requirement of frequency hopping synthesizer.
介绍了跳频通信系统的基本组成、工作方式以及跳频通信系统中跳频综合器的设计要求。
The paper introduces the composition and the operation mode of frequency hopping (FH) communication system and the design requirement of frequency hopping synthesizer.
介绍了跳频通信系统的基本组成、工作方式以及跳频通信系统中跳频综合器的设计要求。
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