查询词典 frequency channel

In order to increase the capacity of channel, the frequency of carrier wave moved to higher endlessly.

为了增加信道容量，载波频段不断地向高频方向移动。

Furthermore, M2M communication system is totally different from modern cellule systems, the exist channel model could not be used to describe the propagation properties of the M2M fading channels, meanwhile, there are not sufficient research results could be used to explain the space-time-frequency characteristics of M2M channels.

利用这些信息，通信系统才能设计得具有理想或接近理想的性能。M2M通信信道不同于经典的蜂窝网络信道，目前已有的许多信道模型不能运用于M2M通信系统，也没有已知的信道模型可以直接用来描述M2M信道的衰落和空-时-频域行为。

Main technical specification and inspection condition: Main sound track output≥10W, Input resistance≥47KΩ, Frequency20Hz～20KHz, Load resistance8Ω, Total wave distortion≤1%, Ultra bass channel output≥20W, Frequency≤100Hz,uses the transistor and giving up field effect tube and electron tube and reduction transistor and so on carries on the discussion.

其主要技术指标及考核条件为：主声道的输出功率≥10W，输入电阻≥47KΩ，频率响应20Hz～20KHz，负载电阻8Ω，总波失真≤1%，超低音通道输出功率≥20W，频率响应≤100Hz，，同时采用全晶体管的设计。

A PN based Channel Estimation algorithm using circular correlation is proposed, and is implemented in Single Carrier Frequency Domain Equalization system.

提出了一种基于伪噪声序列循环相关的信道估计算法，并将之应用于单载波频域均衡系统中。

Channel Frequency Class?

频率级通道

Comparing to other Per Carrier technologies, Viterbi decoder has its own specialties in OFDM system, it means frequency domain response coefficient obtained under the condition of channel equalization can provide decoding algorithm with weight for decision, which is called CSI Viterbi Algorithm.

与其他单载波调制技术相比，OFDM系统巾的Viterbi译码有其特别之处。可以根据在信道均衡时所得到的信道频域响应系数为译码算法提供判决权重，被称为CSI Viterbi译码算法。

Our research work concentrates on the severe communication circumstances, for example, spatially correlative and time-frequency selective fading channel, and focuses on the design of codec for space-time architecture and the utilizing of linear precoding technique especially on the multiuser scenario trying to improve the system performance to combate various fading.

论文首先基于已有空时相关MIMO信道模型，分析给出了联合空时互相关函数解析表达式，并推导给出了空时分组编码传输方案理论成对错误概率表达式。

Large amount of multi-access capacity is needed for mobile and personal communications, however the channel suffers severe frequency selective fading.

移动和个人通信的信道环境是一个时变的频率选择性信道，同时又是一个多址大容量的信道。

With two transmit antennas, based on lower bound for LS channel estimation, it is shown that the periodic complementary set is optimal over frequency-selective fading channels.

针对基于循环前缀的单载波系统，提出了联合Alamouti-like STBC和最小均方信道估计方案。

The error signal is smoothed by loop filter, then it is used to change the control register of interpolator and decimator: The proposed algorithm can track the frequency shift of sampling clock. The algorithm is simulated in both AWGN and multipath fading channel.

这种方法在发送端相邻载波间采用差分QPSK调制，在接收端利用QPSK的差分解调信号获得同步误差信号，从而获得关于OFDM符号同步和采样钟同步调整的算法，其特点是无需专门的同步导频信号。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。