在双信道情况下，输入脉冲重叠时的输出功率和增益变得更陡峭。
In the condition of two-channel, when input pulses overlap, the output power and gain become steeper.
本发明涉及基于语音、互联网的双信道无磁有密电子支付系统及其支付方法。
The invention relates to a binary channel magnetism-free secretive electronic payment system based on voice and Internet and a payment method thereof.
双信道系统的同步质量相比主从式单信道系统会有明显下降，而进一步增加信道数量，同步品质并不发生显著改变。
The synchronization performance of dual-channel system decreases obviously compared with master-slave single channel system, and changes little when the channel number increases.
针对含磷毒气快速检测问题，以自制的杂化酞菁钯-聚苯胺为敏感膜材料，设计了一种双信道声表面波(SAW)传感器。
Aimed at the problem of quickly detecting phosphorus-containing toxic gas, we used home-made hybrid PdPc-PANI as the material for sensitive film and designed a binary channel SAW sensor.
针对水声通信网单信道MAC协议时延长、吞吐量低、数据冲突频繁的缺点，提出了水声通信网的载波侦听双信道mac协议。
As the large delay, low throughput and frequent data collision in single-channel underwater acoustic networks, this paper devises a dual-channel MAC protocol based on carrier-sense.
对于双弥散信道的OFDM系统，这种设计的脉冲成形一般不是最理想的。
For pulse shaping OFDM systems for doubly dispersive channels, such a setup is in general not optimal.
该方案利用现有不保密通信信道提供双用户或多用户之间的可靠保密通信。
This new system provides secure communication between bi-users and multi-users over an insecure communication channel.
在具体实现上采用了QNX的多进程编程思想，对整个系统的流程进行了分析设计，将双下行信道的实现分为三个大的模块进行讨论。
In the implementation, we used the multiprocessing method in QNX to analyze the general flow chart of system, and divided the realization of dual downstream channel into three modules.
介绍了一种在有差错信道中能够高可靠性传输数据的双调制解调器的实现方案。
The realization of dual MODEM is described in this paper, which can transfer data reliably in error channel.
基于双衰信道的频域响应，提出了一类双衰信道下多天线正交频分复用（MIMO-OFDM）系统的最优化频域导频设计方案。
The model of the MIMO-OFDM system in doubly-selective channels is derived and a lower bound of mean squared error(MSE) of the channel estimator using frequency domain pilot is presented.
双速率，半速率首选，第一次信道分配后速率的改变是允许的。
Dual rate, Half rate preferred, Change allowed after first channel allocation as a result of the request.
本文的研究内容就是频率选择性衰落信道和双衰落信道下的OFDM信道均衡技术。
In this thesis, we study equalization techniques for OFDM over the frequency selective fading channel and doubly selective fading channel respectively.
同时具有时间和频率选择性衰落的信道，我们称之为双衰落信道。
The time- and frequency- selective fading channel is so-called doubly selective fading channel.
双忙音多址接入（DBTMA）协议是采用RTS/CTS对话机制来预约信道，通过引入两个窄带带外忙音信号来避免分组间冲突，解决了隐藏终端和暴露终端问题。
The operation of Dual Busy Tone Multiple Access(DBTMA) is based on the RTS/CTS packet and two narrow bandwidth, outofband busy tones. The RTS/CTS dialogue is used to reserve the channel.
双速率，信道的首选项能过话音编码首选项来指示，第一次信道分配后全速率和半速率之间的改变是不允许的。
Dual rate, channel preference indicated by the Speech coder preference, changes between full rate and half rate Not allowed after first channel allocation as a result of the request.
双速率，信道的首选项能过话音编码首选项来指示，第一次信道分配后全速率和半速率之间的改变是允许的。
Dual rate, channel preference indicated by the Speech coder preference, Changes between full rate and half rate allowed after first channel allocation as a result of the request.
双速率，信道的首选项能过话音编码首选项来指示，第一次信道分配后全速率和半速率之间的改变是不允许的。
DRSN Dual rate, channel preference indicated by the Speech coder preference, changes between full rate and half rate Not allowed after first channel allocation as a result of the request.
双速率，信道的首选项能过话音编码首选项来指示，第一次信道分配后全速率和半速率之间的改变是允许的。
DRSC Dual rate, channel preference indicated by the Speech coder preference, Changes between full rate and half rate allowed after first channel allocation as a result of the request.
针对单信道中时频重叠双信号的载波频率估计问题，提出一种基于二阶循环累积量的载波频率估计方法。
Aiming at time-frequency overlapped two-signals in single-channel, this paper proposed a method to estimate carrier frequency based on second-order cyclic cumulants.
针对单信道中时频重叠双信号的载波频率估计问题，提出一种基于二阶循环累积量的载波频率估计方法。
Aiming at time-frequency overlapped two-signals in single-channel, this paper proposed a method to estimate carrier frequency based on second-order cyclic cumulants.
应用推荐