查询词典 channel

This article mainly from the angle of reducing the cost, analyzes questions of the marketing channel in our domestic iron and steel enterprises at present. Iron and steel enterprises should reduce the length of channel, cause the channel to be flat, in order to reduce the cost, and enhance the economic efficiency.

本文主要从降低成本的角度，通过分析我国钢铁企业目前营销渠道中存在的问题，主要是渠道过长、成本过高问题，运用交易成本的有关理论，提出应该缩短渠道的长度，使渠道扁平化，加大直供用户的比例，从而降低成本，提高经济效益，增强我国钢铁企业的市场竞争力。

Finally, the effect of the channel depth and the channel width to the channel deposition were discussed preliminarily.

最后，初步探讨了航槽浚深和航槽底宽对航道回淤强度的影响。

Double channel bandpass sampling method for wide band IF signal is presented to settle the problem of blind zone,which exchanges one more sampling channel for simplification of clock circuit and band pass filter.As a practical reconnaissance receiver, real-time processing performance must be considered.Digital channelizing method lays the base of parallel processing by multi DSP chips and discarding of the redundant data resulting from double channel bandpass sampling.

针对带通采样存在着频率覆盖盲区的问题，提出了宽带中频信号双通道带通采样的方法，通过增加一个采样通道既解决了传统处理盲区方法中设计复杂采样时钟电路、高矩形系数滤波器的困难，还缓解了后续DSP处理压力。

The computer simulation showed the blind Sign-EMS MLSE algorithm is superior to conditional blind EMS MLSE algorithm in convergence speed and mean square error in typical telephone channel, symmetric channel and common channel.

通过计算机仿真试验，在典型电话信道，对称信道以及普通信道中，对该算法与传统的LMS盲最大似然估计算法性能作了比较，并证明了该算法在收敛速度、均方误差等方面均优于传统算法。

The formula of discharge varying with normal water depth in cubic parabola shape open channel uniform flow and the conditions satisfied by the optimal hydraulic cross-section in the cubic parabola shape channel were deduced according to the theory of open channel uniform flow .

根据明渠均匀流理论，推求了立方抛物线形渠道正常水深与流量关系的计算公式及其水力最优断面所满足的条件。

The river patterns of the study area were analyzed by the latest channel pattern discrimination in the last glacial maximum and deglaciation of the Late Pleistocene. The hydrology, sediment, environment parameters of the ancient channel in the study area, width-depth ratio F =22.22, suspended sediment concentration M =10.10%, channel curvature P =1.52, meander wavelength L =

然后应用最新河型判别方法，分析判别晚更新世末次盛冰期和冰消期研究区埋藏古河道的河流类型为辫状型；并分析得到研究区古河道的宽深比（ F ＝22.22）、悬移质含量（ M ＝10.10％）、河道弯曲率（ P ＝1.52）、河曲波长（ L ＝1 647 m）等古水文泥沙环境参数分类指标。

The main research contents and results are given as follows:(1) Principles and characteristics of different types of polarization controllers are analyzed, the compare of the difference of these polarization controllers are discussed based on them, drawn a conclusion that the polarization controller which based on squeezing fiber and has variable delay quantity are suitable for high speed optical communication system.(2) The reset principle of the typical four channel polarization controller which is based on squeezing fiber is analyzed, and the design of its concrete reset scheme is given based on them. The reset process and the corresponding operation list are given in detail.(3) The systematical experiment is made when the typical four channel polarization controller is put into the PMD compensator. The experiment result showed that the channel which needs reset can efficiently return to the mean place, and the effect of reset was good, it didn't cause any badness infection on PMD compensation.(4) A new type optical signal time-domain depolarizer is given, and a new PMD compensate method is given based on it.

由此得出延迟量可变型光纤挤压型偏振控制器适用于高速光通信系统的结论；(2)具体分析了典型的四通道光纤挤压型偏振控制器的复位原理，并在此基础上对其进行了具体复位方案的设计，给出了各种情况下的详细复位流程和相应的复位操作列表；(3)将四通道光纤挤压型偏振控制器应用于偏振模色散补偿器中进行系统实验，实验结果表明，需要复位的通道能有效地回到中间值，复位效果良好，且复位未对PMD补偿产生不良影响；(4)设计了一种新型的光信号时域退偏器，并基于该退偏器提出了一种新型的偏振模色散补偿方法。

The packaging of channel brand need to make it distinguishable from other channel and show channel's intention.

频道品牌的包装要使其能和其它频道相识别，并展现出频道的定位意图。

Despite the channel is not smoothly,but each sub channel is smoothly and the signal be transferred by narrowband in sub channel,which can avoid disturber between sigal wave.

本文的研究表明，如果采用新的正交基来取代这些子载波，可以在不加保护间隔的情况下减少ICI和ISI，从而改进正交频分复用技术的性能。

Rayleigh Channel is the Doppler shift of the multipath channel and single-channel tracks of Matlab simulation program.

这是瑞利信道中有关多普勒频移的多径信道和单径信道的相关matlab仿真程序。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。