| 1. | Combination pulse and frequency coding system
脉冲与频率组合编码制 |
| 2. | Multi - frequency coding register
多频记发器 |
| 3. | A novel design of ofdm - based space - frequency codes is proposed such that the maximum achievable diversity gain is available
摘要提出了一种基于ofdm达到最大可达分集增益的空频码设计方案。 |
| 4. | First , we set up the models of linear frequency coded radar and two phase coded radar differently , and discuss the models in some degree
首先，本文分别构建了线性调频和二相编码雷达接收机的模型，并对其做了大量的数学分析。 |
| 5. | The jamming of two models of pulse compressed radar , linear frequency coded radar and bi - phase coded radar , are studied in this dissertation
本论文讨论了脉冲压缩雷达中两种典型的雷达制式：线性调频雷达和二相编码雷达的干扰。 |
| 6. | The tree of life contains the highest and strongest frequency codes in the form of the divine names which the efforts of the hierarchy have been able to obtain
生命树包含了以神性名称形态存在的最高和最强烈的频率编码，层次的努力成就就能够获得频率编码（代码） 。 |
| 7. | The drfm permits generation of appropriate radar returns to chirped , frequency coded , phase coded , pulse coded , or other similar type coherent radars with pulse to pulse or cw modulations
在另一些情况下，需要将不同于接收到的雷达信号的特征的信号返回雷达系统，用来进一步使雷达系统混淆工作。 |
| 8. | This paper introduces the basic principles of mimo - ofdm technology briefly , and focuses on the research on the space - frequency coding , receiver design , multiuser systems and some relevant open areas for the further research
简要介绍了mimo - ofdm技术的基本原理,重点讨论了空频编码、接收机设计、多用户系统等方面的研究现状以及未来研究的领域。 |
| 9. | Frequency code is not uniformity distribution and keeps to a probability distribution function defined by the spectral characteristics of the target of interest . the phase code is equally duality pseudo - random sequence and used to reduced the sidelobes of the signal correlation function . and the mismatch - phase sequence is corresponding with the frequency sequence one by one
而频率编码为不均匀分布，由所观测目标的频谱信息提取出概率密度函数决定频率编码序列的分布；相位编码为二元的伪随机序列，采取均匀的二相编码，消减同频脉冲带来的过高的相关函数的旁瓣；而失配相位为与频率编码相一一对应于各子脉冲中。 |
