narrow-band

narrow-band的基本解释

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[医]窄(频)带

与narrow-band相关的网络例句 [注：此内容来源于网络，仅供参考]

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Firstly, it discusses the principle of adaptive interference chancellor, including broad band signal and narrow band signal; Secondly, it analysises one common algorithm used in adaptive interference chancellor, that is, LMS algorithm and its anamorphosis algorithm especially normalized LMS algorithm pointing out their relationship. After then, the paper talks about the structure and reality of canceling broad band noise in narrow band signal and narrow band noise in broad band signal and gives it's result simulation analyzing the factors affecting the power of the algorithm. In the last party, it gives the hardware design and assembly language software design using TMS32OC3 1, including the result of simulating.

首先，本文讨论了自适应干扰对消的原理，并对窄带信号和宽带信号两种进行了分别分析；然后本文对自适应干扰对消中常用的算法—LMS算法进行了分析，同时也讨论了LMS算法的变形算法，尤其是归一化LMS算法，并指出了这些算法的相同和不同之处；此后，本文讨论了窄带信号中的宽带干扰对消和宽带信号中的窄带干扰对消的结构及实现方法并给出了住址的结果，分析了影响干扰对消效果的因素；在论文的最后，给出了用TMS320C31实现窄带信号中的宽带干扰对消的硬件设计和汇编程序设计，以及汇编语言程序的结果，并就此结果与高级语言程序的结果作了比较。

An equipment for mixed use of wide-band ADSL and marrow-band cards features that associated LVDS transceiver and on-board connector are installed to ATVC card and WAN card. The high-speed wide band ADSL data line can use LVDS mode to conveniently realize the mixed use of wide-band ADSL and ordinary analog user card on narrow-band speech exchange or the ONU rack of optical network unit. It is connecessary to modify the backplate of POTS and machine rack. The existing narrow-band device can be upgraded to have wide-band access function.

本发明提供了一种宽带ADSL和窄带用户板混插的装置，通过在ATUC板和WAN板上提供相应的LVDS收发器和板上连接器，高速宽带ADSL数据通过背板外LVDS走线方式，可以在普通窄带话音交换机或接入网光网络单元ONU的机框上，方便地实现宽带ADSL与普通模拟用户板之间的混插，这种方法不需要对窄带话音POTS的背板和机框作任何改动，即可实现窄带到宽带的平滑过渡，对已有窄带设备可提供随时升级为宽带数据接入功能的方法及设备。

与narrow-band相关的网络解释 [注：此内容来源于网络，仅供参考]

narrow band spectrum：窄带谱

narrow-band reception 窄 (频 )带接收 | narrow-band spectrum 窄带谱 | narrow-band system 窄 (频 )带制

narrow-band interferences：抗窄带干扰

狭义变形:metamorphosis in narrow sense | 抗窄带干扰:narrow-band interferences | 窄谱带模型:narrow band model

Narrow-mindedness：尖刻

窄边:Narrow quadrilateral | 尖刻:narrow-mindedness | 窄带:Narrow band.