| 1. | Ka - band mobile satellite cdma system robust to doppler shift
非静止轨道卫星信道多普勒频移特性 |
| 2. | Rm channel model for land mobile satellite
陆地移动卫星信道模型 |
| 3. | The channel models for land mobile satellite in shadowing environment
阴影环境下陆地移动卫星信道的模型研究 |
| 4. | The modeling and simulation of 3th generation ( 3g ) mobile communications satellite / terrestrial channels with every measurement environment is described
摘要描述了各种测试环境下的第三代移动通信地面卫星信道的建模及仿真实现。 |
| 5. | Simulation results reveal that ipos protocol could solve the problem of high error bit rate with adoption of the error control scheme in the data link layer and adaptive coding modulation
仿真结果表明, ipos协议通过采用链路层差错控制和自适应编码调制方法,解决了卫星信道的高误码率现象。 |
| 6. | However , the satellite channel is liable to various interferences because of its long transmitting distance . therefore , how to improve the transmitting reliability has become a hot issue
但是,由于卫星信道传输距离远,容易受到各种各样的干扰,因此,如何提高传输的可靠性成为研究的热点。 |
| 7. | Detailed depict of the influence to the system which cause by path , parameters to the multi - path are provided . discussed the path loss of the system and how to improve the system performance . 2
介绍多飞行器测控系统的信道特征，描述了信道对系统的各种影响和多径信道的各种参数，并讨论了小卫星信道的干扰问题及其解决办法。 |
| 8. | The channel of satellite communication is described to be the typical band - limited and non - linear channel . based on its special characteristic , we have the principles to select a type of modulation techniques for satellite communication systems
本文对带限和非线性的卫星信道作了描述，在此基础上得出卫星通信中选择调制技术的准则和依据。 |
| 9. | It is expensive to experiment on hired real satellite link in formulating satellite communications system and researching transceiver . satellite channel simulator can simulate transmission characteristics of electromagnetic wave close to real channel environment
卫星信道模拟器能模拟接近真实信道环境的电波传输特性,用于设备研制过程中的测试,将会显著降低研发成本。 |
| 10. | In recent years , with the increasingly demand of the broad band and multimedia communication , various powerful tools have been emerging in endlessly to increase the capacity of satellite channel and pcma ( paired carrier multiple access ) is just one of them
近年来,随着人们对宽带和多媒体信息需求的日益增长,各种卫星信道容量倍增技术层出不穷,成对载波多址( pcma )技术即是其中的一种。 |
