查询词典 channel-section

Based on the analysis of the Doppler effect of the mobile channel, the performance of two MIMO-OFDM systems (STTC-OFDM and SFBC-OFDM) in the fast-moving environment is studied. Then, the algorithm for channel estimation based on the training sequence is extended into the fast-moving environment by introducing the space-frequency coding, the method of the equal-interval pectinate pilot-inserting, and the complete Maximum-Likelihood space-frequency decoding.

针对快速移动环境中存在的多普勒效应，研究了两种多输入多输出正交频分复用系统在快衰落信道中的误码性能，采用空频编码梳状等间隔导频插入方式，以及完全最大似然空频分组码解码算法，使用导频与接收信号进行信道参数估计，将一般多输入多输出正交频分复用系统中的基于训练序列的最小均方误差信道估计算法推广到了快衰落信道环境中。

An acupuncture point could be on the Heart channel or the Pericardium channel, which also belongs to the Fire element.

一个穴位可对心脏的渠道或心包通道，这也属于消防的因素。

7 To 3.3 V operating supply voltage 44.1 kHz sampling frequency 16.9344 MHz (384fs) system clock Built-in crystal oscillator circuit 16-bit, MSB rst, rear-packed serial data input format ( 64 fs bit clock) 8-times oversampling digital lter · 32 dB stopband attenuation ·+0.05 to -0.05 dB passband ripple Deemphasis lter operation · 36 dB stopband attenuation ·-0.09 to +0.23 dB deviation from ideal deem- phasis lter characteristics Attenuator · 7-bit attenuator (128 steps) set by microcontrol- ler Soft mute function set by parallel setting ·(approximately 1024/fs total muting time) Mono setting · Left or right channel mono selectable by micro- controller Built-in innity-zero detection circuit , two-channel D/A converter · 3rd-order noise shaper · 32fs oversampling Built-in 3rd-order post-converter low-pass lters 24-pin VSOP package Molybdenum-gate CMOS process

2.7至3.3 V工作电源电压为44.1千赫的采样频率16.9344兆赫（384fs）系统时钟内置晶体振荡器电路的16位，MSB在前，后包装的串行数据输入格式（64飞秒位时钟）8倍超采样数字滤波器·32分贝的阻带衰减·+0.05至-0.05分贝通带纹波去加重滤波器的运作·36 dB抑制频宽衰减·-0.09到0.23 dB的偏差认为不理想，症状困扰评估滤波特性衰减器·7位衰减器（128级）集由单片机在-莱尔软静音功能的平行设置·（共约1024/fs静音时间）单声道设置·左或右声道单声道微控制器可选的内置的无限零检测电路Δ，两通道的D / A转换器·第三阶噪声整形·32fs过采样内置三阶后转换器的低通滤波器24引脚VSOP封装钼栅CMOS工艺

For the problem that the suppression of co-channel interference and suppression of noise can't be balanced in signal-to-jamming and noise ratio maximization method for the linear precoding of multiuser multiple-input multiple-output downlink systems, an improved scheme that the term of noise variance is modified as a piecewise linear function is proposed, in which the balance between suppression of co-channel interference and suppression of noise can still be maintained even when the noise variance is a small value through piecewise modifying the term of noise variance, and thus the bit error rate and capacity of the systems are further improved.

针对多用户多输入多输出系统下行链路线性预编码的信干噪比最大化方法中，共信道干扰抑制和噪声抑制不能有效平衡的问题，提出将其中的噪声方差项修正为以噪声方差为变量的分段线性函数的改进方案。该方案通过对噪声方差项的分段修正，在噪声方差的值较小时依然能够保持共信道干扰抑制和噪声抑制间的平衡，从而使系统的误比特率性能和容量得到进一步提高。

One of the prominent characteristics of the self-learning neuron is thatit has a forward-channel, a backward-channel and a leamer, This makes each neuron in a self-learning BP network accomplish the forward propagation of message, backward propagation of errors, and modification of its parameters independently, and hence makes the network implement parallel computing easity.

由自学习神经元组成的自学习BP网络可以真正做到正向传播信息、反向传播误差及学习的并行化。

If you wanted to channel this energy into something, a magical tool for example, you could pull the energy up from the center at your feet to your chest area with an inhalation and channel it down through your arms and into the object with your next exhalation.

如果你想要把这种能量，一种神奇的工具，例如，你可以拉动能源，由中心为你的脚给你的胸部面积的吸入和频道下来通过你的武器，转化为对象与您下次喷发。

The paper uses the game theory to get an incentive value in a pure strategy of a balanced refining Bayesian separating equilibrium and to confirm the actual type of the channel with the incentive value in order to select the correct channel.

利用博弈论的知识获取了纯策略精炼贝叶斯均衡下的分离均衡出现时的激励值，通过该激励值确定了渠道商的实际类型，为企业选取正确的渠道商提供了参考，具有一定的指导意义。

In this system, a multi-channel selecting switch is added in front of the A/D to acquire the multi-channel signal from the colorimetric pyrometer .

系统在A／D的前端加上多信道选择开关，实现多色比色测温仪的多路信号采集；由单片机控制数据的采集和缓冲，数据则用上位机进行实时处理。

He was frequently involved in practising television and radio as a presenter, in Jiang Su TV, Makeup Channel, Nan Jing TV, Nan Jing Music Channel; and as a dubbing or program director for several movies and TV series.

曾活跃於电视、广播一线，担任江苏电视台、中国靓妆频道、南京电视台、南京音乐台节目主持；担任国内多部电影电视剧配音导演、电视节目导演。

Due to no channel estimation required for rayleigh fading channel, quotient coded QAM has lower receiver complexity.

商分编码QAM由于无需信道估计和均衡，因此降低了在瑞利衰落信道解调的复杂性。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。