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1)  modulation hopping pattern
调制跳变图案
1.
In order to enhance the anti-interception performance of modulation-hopping technology,a method to design wide-gap chaos modulation hopping pattern based on time of day(TOD) is proposed.
为增强调制跳变技术的抗截获性能,提出一种基于时间信息(TOD)的宽间隔混沌调制跳变图案设计方法。
2)  modulation hopping
调制跳变
1.
Considering this situation and in order to guarantee the secure transmission of information,an approach is put forward to combine frequency-hopping with modulation hopping.
基于跳频和调制跳变的无线通信技术,是一种有效的低截获概率通信新技术。
2.
In order to enhance the anti-interception performance of modulation-hopping technology,a method to design wide-gap chaos modulation hopping pattern based on time of day(TOD) is proposed.
为增强调制跳变技术的抗截获性能,提出一种基于时间信息(TOD)的宽间隔混沌调制跳变图案设计方法。
3)  FH pattern
跳频图案
1.
The modules of FH pattern,G function and signal waveform design are simulated and the performance of the FH sequences is checked.
通过深入研究差分跳频系统的结构特点,提出了一种Logistic映射G函数的差分跳频信号源的仿真方法,主要包括G函数、跳频图案、波形设计等模块的仿真,并对所产生的跳频序列的性能进行了检验。
2.
is deeply studied in this paper,which involves FH pattern and the modulation and demodulation etc.
本文深入研究了美国推出的短波高速跳频CHESS电台的G函数算法 ,涉及到跳频图案、信息调制与解调等 。
3.
The main specifications that short wave frequency hop(SWFH) pattern must come up to are introduced by analysis SW channel characteristic and examining communication implementation in SW channel, and in view of the above a scheme of implementing the SW/FH pattern is presented.
通过对短波信道特性的分析和在短波信道中实现跳频通信的探讨,给出了短波跳频图案应达到的主要技术指标及其实现方案。
4)  frequency hopping pattern
跳频图案
1.
The final results of experiment prove that the frequency hopping pattern based on this function is good in uniformity, so the system has high complexity and strong anti-attack features.
最后通过实例说明了由该函数产生的跳频图案具有良好的均匀性,从而系统具有较强的隐蔽性和抗破译性。
2.
The properties of frequency hopping pattern affect the performance of frequency hopping c.
在跳频序列的控制下,载波频率随机跳变的规律称为跳频图案,跳频图案的设计直接关系到跳频通信系统的抗干扰能力和多址能力,因此,如何设计好的跳频图案是该技术的核心之一,是保证跳频通信质量良好的前提条件。
3.
Experimental result shows that the frequency hopping pattern generated by this method has a very good one-dimensional uniformity,two-dimensional continuity and randomicity.
实验表明,该算法产生的跳频图案具有较好的一维均匀性、二维连续性和随机性。
5)  Map of frequency-hopping
跳频图案
1.
This paper introduces the principle and distinguishing feature of frequency-hopping communication with emphasis on several critical techniques such as map of frequency-hopping, synchronization, synthesizer, a-daptive control, difference frequency-hopping and etc.
概述了跳频通信的工作原理和特点,重点讨论了跳频通信中跳频图案、跳频同步、频率合成等几项关键技术,介绍了跳频通信的应用,并对其未来的发展趋势进行了预测。
6)  pulsing-schemes
脉冲调制图案
补充资料:换热问题夹点跳变
分子式:
CAS号:

性质: 对于包含不定参数的换热网络柔性设计问题,它的夹点并非固定不变的。夹点的位置必定在某股物流的进口温度处。如果不定参数的变化使夹点位置从某一物流的进口温度变为另一物流的进口温度,则称为夹点跳变;如果夹点温度变化但位置不变,则不属于夹点跳变。夹点跳变常常会导致换热网络操作不正常。在换热网络柔性设计问题中,必须首先分析夹点随不定参数变化的情况。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条