| 1. | Performance analysis of ofdm uwb system based multi - antenna 超宽带通信系统的性能分析 |
| 2. | Ofdm technology and it ' s application in wireless communication 下一代高速无线宽带通信系统的关键技术研究 |
| 3. | Uplink bandwidth allocation for wireless broadband communication systems 无线宽带通信系统的上行带宽资源分配方案 |
| 4. | Analysis and control of power spectral density for impulse uwb communications system 脉冲超宽带通信系统功率谱分析与控制 |
| 5. | Analysis of the characteristic of monocycle waveform in coal mine uwb communication system 矿井超宽带通信系统中单脉冲波形特性分析 |
| 6. | Adaptive modulation technology is one of the crucial techniques for the mobile broadband systems 自适应调制技术是移动宽带通信系统的核心技术之一。 |
| 7. | Though the duamoop feedforward technology has been researched oversea for years , with the development and application of mobile communication technology and wireless broad band communication system , it is still the hotspot question in this field up to the present 虽然,双环前馈技术在国外已经开展研究多年,但随着移动通信技术和无线宽带通信系统的迅速发展和广泛应用,该项技术至今依然是本领域的研究热点问题。 |
| 8. | Study and designed analog and digital impluse generator , guided by the signal integrity analysis finished the hardware pcb design of uwb transiver . finally the transmitter and receiver board has been built and got a satisfaction result . totally speaking , the thesis includes the following parts : ( 1 ) research the wave shape of the uwb communication system 以高速电路信号完整性分析为指导,采用最优结构完成了超宽带发射机与接收机pcb电路的设计,本文的研究内容主要包括以下几个方面: ( 1 )分析超宽带通信系统发射机所需信号波形。 |
| 9. | It is a novel short - distance wireless communication technique , in which data are transferred using non - sinusoidal pulses with very short duration , so it is fit for using in indoor environments which is a typical multipath environment . and it can be coexisted with the existing wireless communication systems at the same frequency band 超宽带通信系统利用纳秒至皮秒级的非正弦波窄脉冲传输数据,非常适合作为城区及室内密集多径环境下的应用,并且能够与现有的传统窄带系统共存。 |