查询词典 multiplexing unit

The multiple antenna Orthogonal Frequency Division Multiplexing system model is analyzed in this paper.

摘要该文首先分析了多天线发射和接收的OFDM系统模型。

In this paper we discuss a block coding scheme for reduction of peak-to-average power ratio of an orthogonal frequency division multiplexing system.

讨论了一种降低正交频分复用系统峰均比的分组编码方法。

The optimal power allocation strategy of cognitive orthogonal frequency division multiplexing system is studied.

研究了认知正交频分复用系统的容量极限及最优功率分配策略。

Receiver diversity for Orthogonal Frequency Division Multiplexing system in high-speed wireless data transmission is investigated.

研究了天线分集OFDM系统的高速无线数据传输特点，通过计算信道冲击响应与参考信号的相关函数，提出了一种增强型的信道估计方法。

The design changes the traditional inefficient and high-cost de-sign in signal acquisition and transmission with using a real-time acquisition of DVI display signals and transferring data through the Ethernet port.The design uses a highly integrated FPGA and high-capacity SDRAM,multiplexing of signal package to transfer display data and control data,and efficient algorithm for gray-scale slice as well.It has the features of low cost,large display area,stable display,and high refresh rate.

该设计改变传统设计中低效高成本的信号采集和传送方式，改用实时采集DVI接口显示信号、通过网口传输数据，采用高集成度FPGA和大容量SDRAM，采用信号包复用技术同步传送显示数据和控制数据及高效率的灰度切片算法等新技术，具有成本低、显示面积大、显示稳定、刷新率高等特点。

Audio and video steams accord with MPEG-2 standard can form PES after packeted, and then PES steam can form tranport stream after multiplexer. The transmitter conduct a number of transport stream multiplexing ,then send out the signal via satellite,cable or terrestrial transmitting station.The end user receiver picks up the DTV signal,demultiplexes it and finally the MPEG-2 decoder presents the decoded audio and video stream to the user.

按MPEG-2标准编码后的音频视频流经打包之后形成打包基本流，PES经过复用之后形成传输流，发射端进行多个传输流复用，最后通过卫星、有线电视及开路电视等不同媒介传输方式进行传输；接收端经信号接收，解复用，解码后显示给用户原先的音、视频节目。

Through time division multiplexing,virtual parallel transmission of the PCI bus data in a single fiber has been achieved.

通过时分复用技术，实现了PCI总线的并行数据在一根光纤中的虚拟并行传输。

A Low Density Parity Check coded Adaptive Modulation and Coding- Orthogonal Frequency Division Multiplexing system is proposed, and its theory is given in detail.

摘要该文提出低密度奇偶校验码的自适应调制编码正交频分复用系统，并详述了该系统的原理。

And based on the optical path matching condition of space division multiplexing, the intensity characteristic of the interference signal in the sensor is deduced.

实验中对连接9个传感器的双环传感网络特征及其抗损坏特性进行了验证，并对实验结果进行了分析和讨论。

That photodetector have both wavelength selectivity and high-speed response making it ideal for wavelength division multiplexing applications.

该光探测器具有较好的波长选择特性，将会成为波分复用光纤通信系统中比较理想接收器件。

The statistical analysis of this large set of mutations has led us to propose a diagnostic strategy that should help with the molecular work-up of optic neuropathies.

这一大系列基因突变的统计学分析引导我们提出一个诊断策略，可以帮助我们对视神经病变进行分子学的诊断检查。

The results show that the pipe grouting changes the mechanical parameters of surrounding rocks to achieve the security of engineering objectives by reinforcing surrounding rocks and bolcking the water.

研究表明：小导管注浆一方面改变了围岩的力学参数，另一方面利用浆液的固结特性可以实现堵水和加固围岩的工程目标，使隧道在开挖过程中的安全得到保障。