wideband channel meaning in English
宽带信道
宽频带通道
Examples
- The method of using a single wideband facility to transmit many relatively narrow - bandwidth signals by subdividing the frequency spectrum used in the wideband channel
使用单个宽带设备传送许多窄带信号的方法。它是通过细分宽带通道上的频谱来实现的。 - To utilize the advantages of dsp chips , the system should be computing sources economical . according to digital signal processing theory , the poly - phase fir can help reduce the workloads of the ddc / duc . therefore , adding the complex carrier mixers , the channelization system ( a method of using a single wideband facility to transmit many relatively narrow - bandwidth signals . by subdividing the frequency spectrum used in the wideband channel ) can be formed utilizing the characters of fft
为了使开发出的软件可以适用于高速dsp器件开发，节省系统资源，课题首先从数字信号处理的理论进行分析，得出可以利用抽样率转换的数字滤波器的特点，即多相滤波实现数字上下变频计算负担的减小，之后进一步将多相滤波器与频谱搬移部分结合，通过公式的推导，得出可利用快速傅立叶变换的特点实现多路信号的信道化发射和接收的处理模型。 - It is based on the mean square error ( mse ) principle and we prove the validity of the method by computer simulations . to make a thorough understanding of mimo adaptive equalization system , in this thesis the author : 1 ) ananlyze the characteristics of mimo wideband channels and the modeling and simulation of 3gpp scm ; 2 ) research the capability of mimo linear adaptive equalization and mimo non - linear adaptive equalization by computer simulations ; 3 ) present a new method for selecting the order of adfe model 4 ) implement the adfe on adsp - 21160 for static image transmission , and already achieve satisfactory experimental result , which make a foundation for mimo adaptive equalization to be appllied in the real communication systems
为对mimo自适应均衡系统性能和设计做更深入的理解和研究,本文主要: 1 )研究了宽带选择衰落信道特性及3gppscm信道建模仿真; 2 ) mimo线性自适应均衡器和mimo非线性自适应均衡器系统的性能分析和仿真实现; 3 ) mimo系统下的判决反馈均衡器的阶数选择仿真试验分析; 4 )把mimo自适应判决反馈均衡运用到了硬件仿真平台上,采用了基于adsp - 21160的硬件dsp开发板,对静止图片的传输进行了试验、分析和比较,得到了较满意的实验结果,使mimo自适应均衡在实际通信系统上的应用及实现奠定了现实基础。