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- According to the time delay estimation model of multi-path effects in the underwater acoustic channel,computer simulation is carried o... 模拟结果表明,该方法对监测浅海航道水深是可行的。
- Based on the Markov chain, this paper investigates the time variant system reliability of brittle structure under multiple time varying loads. 对由脆性材料组成的结构，应用马尔可夫链分析了系统在时变载荷作用下的时变可靠性问题。
- The simulation results show that the established inverse dynamic model has good self-adaptation ability and on-line traceable ability to time variant steam temperature object. 仿真结果表明，所建立的逆动力学过程模型对时变汽温对象具有良好的自适应能力和在线跟踪能力；
- In 2000,American navy successfully sends E-mail through the link of the underwater acoustic channel. 在2000年，美国海军成功通过水声链路并接入Internet 网络发送E－mail，这具有重要的战略意义；
- The SVM is employed to predict the profit function, where a rolling learning-prediction procedure is introduced to deal with the time variant property of the process. 摘要采用支持向量机(SVM)技术对效益函数进行预报，并基于滚动学习-预报策略处理过程的时变特性。
- In this paper,the relationship between the generalized state errors and the adaptive sig-nal of the MRAS with a linear time variant plant has been analysed in details. 本文对单输入单输出、线性时变对象的电液伺服模型参考自适应控制系统（MRAS）的广义状态误差与自适应信号的关系进行了详细的分析和数学推导。
- Forward feedback neural network （FNN） using a variable step size BP algorithm is used to implement underwater acoustic channel equalization. 文中对变步长BP算法的前馈神经网络进行了理论和算法分析,并通过计算机对其实现水声信道盲均衡进行了仿真。
- The simulation results show that the proposed method can effectively suppress the ICI effects induced by the time variant channels and reduce the error floor of bit error rate (BER). 模拟结果显示所提出的方法可有效抑制因时变通道所造成的ICI效应以及降低错误率在高杂讯比仍高居不下的现象。
- According to the character of underwater acoustic channel, MIMO system is used in underwater acoustic channel taking the advantage of improving channel capacity, and providing MMSE - DFE equalzer to reduce the effect of ISI in the receive end. 针对水声信道特性,提出了在水声信道下利用MIMO技术提高信道容量,并在接收端进行MMSE-DFE均衡来消除符号间干扰(ISI)。
- After that the techniques of channel coding, synchronization and RAKE receiver were investigated,the method using a Willard sequence for synchronization of system and acoustic channel multipath time-delay estimate was found. 论文还对信道编码技术、扩频系统的同步技术和RAKE接收技术进行了研究，提出了一种用威拉德序列做同步头来完成系统同步定时及信道多径时延估计的方案。
- He get seasick every time he crosse the channel. 他每次渡英吉利海峡时都晕船。
- sparse underwater acoustic channel 稀疏水声信道
- Double path underwater acoustic channel 双径水声信道
- Fruit juices ferment if they are kept a long time. 果汁若是放置很久，就会发酵。
- Time is sometimes called the fourth dimension. 时间有时被称为第四度空间。
- I think the work can be completed ahead of time. 我认为这项工作能提前完成。
- underwater acoustic channel capacity 水下声道容量
- He will come on time even though it rains. 即使下雨，他还是会准时来的。
- Reading occupies most of my free time. 阅读占去了我大部分的闲暇时间。
- An approach to the correction of 3-D time variant dip moveout, 三维时变倾斜时差校正的探讨
