查询词典 channel

A method form obtaining IP address of maintenance channel includes judging whether ATM address is included in preconfigured IPOA PVC data of base station controller or not by BSC according to ATM address in BOOTP request message, returning BOOTP response message back to base station if it is or otherwise returning failure message back to BOOTP, carrying out judgment on each parameter in BOOTP response message by BS as per preset parameter rule, utilizing all parameters to set up IPOA channel when all parameters are consistency with said rule and required transmission bandwidth of IPOA channel is less than bandwidth limitation of maximum transmission.

本发明提供一种维护通道IP地址的获取方法以及修改方法，包括：在基站控制器侧预先配置基站的维护通道IPOA PVC数据，该IPOA PVC数据包括该基站的ATM地址；该基站在专用的PVC上发送BOOTP请求消息，该BOOTP请求消息中包括该基站的ATM地址，并且同时启动超时定时器对第一时间间隔计时；基站控制器根据该BOOTP请求消息中的ATM地址，判断基站控制器中预先配置的IPOA PVC数据中是否包括该ATM地址，若包括，则向该基站返回BOOTP响应消息，该BOOTP响应消息包括关于维护通道IP地址的参数，否则返回BOOTP失败消息；基站根据预定参数规则，对该BOOTP响应消息中的每一参数进行判断，在所有参数符合预定参数规则、且建立该IPOA通道所需传输带宽小于最大传输带宽限制的情况下，利用该所有参数建立IPOA通道。

This paper presents a theoretical analysis of time-hopping pule position modulation ultra-wideband communication system under time-varying channel condition. The effect of scatters movement is analyzed under indoor channel condition with different channel parameters by simulation.

分析了时变信道环境条件下TH-PPM-UWB系统的性能，并通过计算机仿真研究了室内信道环境中，散射体移动对不同参数条件下系统性能的影响。

Based on the work by the forerunners, this paper do some investigation about various kinds of data transmission format, for example, CBERS-1-02B CCD double channel data transmission, WFI and IRMSS, SPOT-2/4 single channel multiple work modes, LandSat 5 TM multi frame structure, HJ-1A/B single channel multiple sensor and so on, make some conclusion about the common parts of transimission foramt of different sensors, which meet the requirement of easy production, extraction and transmission, at the same time, the author made the quick view data format which is fit for multiple satellites and sensors.

作者在总结前人研究工作的基础上，结合国家对航天对地观测地面系统一体化和数据标准化的要求，针对光学、红外、高光谱等传感器卫星原始数据格式，如：CBERS-1-02 卫星的CCD、WFI与CBERS-1的IRMSS多通道多传感器数据传输格式的特点；SPOT 2/4的单通道多工作模式数据的特点；LandSat5卫星TM复帧数据结构数据的特点；针对HJ-1A/B卫星单通道多传感器数据传输格式的特点等原始数据格式进行了详细分析，总结不同传感器数据格式的共性部分，满足数据格式便于生成、解析和传输的特点，研究制定了适用于多种卫星、多种传感器的快视数据格式。

For the instability of the wireless channel and remotion of the terminal, the performance of the wireless channel is not good as the one of the wire channel, which is not fit for transmitting high-speed date.

中文摘要：无线信道的衰落效应和终端的移动严重制约了通信系统的性能，因此克服信道衰落效应，提高频谱利用率，确保数据高效可靠的传输是个非常重要的研究问题。

These mobile and base stations support multiple hyperband operations including, for example, mobile assisted channel allocation, mobile assisted handover, cell reselection, traffic channel assignment, control channel location and registration.

这些移动站和基站支持包括例如移动站辅助信道分配、移动站辅助切换、小区重新选择、业务信道分配、控制信道定位与登记的多个超高频带操作。

Channel scanning: The machine can store 32 half-duplex channel and a channel scanning.

32个信道扫描：本机可存储32个半双工信道，并具有信道扫描功能。

In each SDT, a real channel for transmitting video signals and a corresponding dummy channel are provided in a pair, and the dummy channel is provided with a gEMT and a dEMT for stating information on events.

在每个SDT中，用于传送视频信号的实频道和对应的虚频道成对提供，并且虚频道上设有成对的用于表示关于事件的信息的gEMT和dEMT。

Spectral efficiency equations are derived for both systems with and without channel prediction. Numerical results show that systems with channel prediction can get maximum spectral efficiency while systems without channel prediction but chosen optimum packet length can get suboptimum frequency efficiency, which is inversely proportional to Doppler frequency.

推导了信道预测和没有信道预测的自适应调制系统的频谱效率公式，分析结果表明对于自适应调制系统，信道预测的系统频谱效率是最优的，非信道预测系统根据信道情况选择最优帧长可以获得该系统的最优系统频谱效率，但它是低于信道预测的频谱效率的，而且是随多普勒频率的增大而逐渐减小的。

The symbiosis relation is a result of the game of the channel member; and the marketing channel harmonious symbiosis model is tiny view of harmonious symbiosis relation promoting the channel competitive advantage.

和谐共生关系的形成，是渠道成员相互博弈的果。

Sulphonyluren tolbutamide (1 mmol/L), a specific KATP channel blocker, added to the bath completely suppressed the channel activity, while diazoxide (1 mmol/L), a KATP channel opener, had no apparent effect.

KATP通道的特异性阻断剂tolbutamide (甲糖宁， 1 mmol/L)可完全阻断通道的活动，而KATP通道开放剂diazoxide (二氮嗪， 1 mmol/L)则不增强通道的活动。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了