time diversity meaning in Chinese
时间分集
Examples
- The fourth part considered how to improve system performance by adopting transmission diversity in flat fading channels . in the traditional space - time trellis code design , the space diversity , time diversity and channel code are concerned together to get best space diversity , time diversity and code gain
传统的空时格码把空间分集、时间分集和前向纠错编码联合设计,以n摘要获得最大的空间分集、时间分集、信道编码的增益。 - And diversity is a technique of extensive use and maturation , a technique of more inexpensive investment with more improvement in wireless communication . the common diversity be classified as space diversity , polarization diversity , frequency diversity , and time diversity etc . this paper focus on implement of space diversity and polarization diversity in digital field
无线传输在自然界中存在大量不相关的多径信号,分集技术是通信中的一种广泛应用的、成熟的技术,一种用相对较低廉的投资就可以大幅度的改进无线链路性能的强有力的接收技术。 - Two crucial technologies in instantaneous negative pressure wave method are analyzed in this dissertation , then a means is presented which can eliminate the dynamic response time diversity between pressure sensors in the beginning and end of the pipeline , by adopting gps to unify the system time between data collecting systems in two ends
分析了负压波泄漏定位方法的两项关键技术,提出了消除首末、端压力传感器动态响应时间差的方法,采用gps来统一首末端数据采集系统的系统时间;使定位更加准确。 - In this paper , bit - error rate performance analyses are presented for coded and un - coded frequency hopping m - ary frequency - shift keyed systems under the condition of additive white gaussian noise ( awgn ) and partial band noise jamming and multitone jamming . the use of error - correct codes provide a way to improve the performance of frequency hopping system , particularly the use of reed - solomon code in a fh system under the condition of partial band noise jamming can greatly improve the performance of system . so we provide the way of coding and decoding of rs code in c language . in the end , we offer the simulation of the performance of time diversity fh / 2fsk system over partial band jamming noise channels
第一章为绪论,叙述跳频通信的发展趋势,以及基本概念,第二章及第三章介绍提高抗部分频带干扰的前向纠错码reed - solomon码的原理和实现方法。第四章研究跳频通信系统在各种干扰条件下的性能。最后在第五章以fh mfsk系统为例,探讨在部分频带干扰下的系统性能,并进行计算机仿真,仿真结果表明采用分集技术和各种编码技术对于系统的性能改善具有明显的效果。