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real channel
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  实际信道
     And pointing out the further work is investigating the coefficients of real channel.
     并指出下一步工作是研究实际信道的FIR抽头系数。
短句来源
     In this paper, the probability density functions are proved proportional to the scattering function, and two channels of typical-urban area and bad-urban area are simulated by Monte Carlo-based method. The simulation results demonstrate that the WSSUS channel models fit the real channel nicely.
     证明了 WSSUS信道概率密度函数与散射函数之间的正比关系 ,并用蒙特卡洛 ( Monte Carlo)仿真法对典型城市地区和恶劣城市地区两种信道进行了仿真 ,结果表明 ,WSSUS信道模型与实际信道情况非常吻合。
短句来源
  “real channel”译为未确定词的双语例句
     Satellite channel simulator can simulate transmission characteristics of electromagnetic wave close to real channel environment.
     卫星信道模拟器能模拟接近真实信道环境的电波传输特性,用于设备研制过程中的测试,将会显著降低研发成本。
短句来源
     Then the model of the real signal receiver is established after investigating the application of polyphase filter in channelized receiver. Giving the formula of the center frequency and bandwidth of real channel, analyzing the complexity of the arithmetic and finishing the system simulation of four channels software receiver based on the model.
     然后深入研究了多相滤波技术在信道化接收机中的应用,推导和建立了实信号接收机的数学模型,给出了真实信道中心频率和带宽的计算公式,简要分析了算法复杂度,最后完成了基于此模型的4信道软件无线电接收机的系统仿真。
短句来源
     The author considered great numbers of transmission characteristics of real channel in LMS model and properly simplified it according to requirement in the project.
     1.分析LMS模型所描述的主要信道特性,以此为基础设计并实现LMS卫星信道模拟器关键部件高速信号处理板的核心模块——高速数字信号处理单元;
短句来源
     Based on these discusses, the use of the poly-phase filter technique in a channelized transmitter is researched, then the mathematic model of a real signal channelized transmitter is deduced and established, giving the method of channels' division and the calculation formulae of the center frequency of a real channel, finally the simulation of a four channels channelized transmitter based on this model is finished, establishing a four channel channelized receiver in order to verify the feasibility and correctness of this transmitter.
     在此基础上深入研究了多相滤波技术在信道化发射机中的应用,然后推导和建立了实信号信道化发射机的数学模型,给出了信道划分方法和真实信道中心频率的计算公式,最后完成了基于此模型的一个4信道信道化发射机的仿真,建立了一个4信道信道化接收机来验证发射机的可行性和正确性。
短句来源
     The simulation results show that the simple partitioned Markov model with three states is more close to the real channel than GEC model and it is more simple and more pra- ctical than the general partitioned Markov model.
     }。 模拟结果表明,用三状态 Markov 模型表示移动信道比用 GEC 模型表示移动信道具有更高的精度,而且比一般分群的 Markov 模型更简单、实用。
短句来源
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  相似匹配句对
     To be and to be real
     实在与真实
短句来源
     Channel
     水道,海峡,航道
短句来源
     Significance and channel of the market investigation of real estate
     房地产业市场调查的意义与途径
短句来源
     2. To improve the real estate’s financing channel.
     二是完善房地产融资渠道;
短句来源
     CHANNEL'S STABILITY
     通路稳定度
短句来源
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  real channel
As an example, a series of Monte Carlo performance simulations are presented in the paper for a UMTS Rake and S-PIC receivers with real channel estimation in a multi-path fading channel.
      
The geometry mimicked a real channel where bends or branches are common.
      
We can assume real channel gains since the receivers can zero-phase the observed signals.
      
We will not examine it until we met in the real channel.
      
The real channel models derive from treating separately the in-phase and quadrature components of the signal complex envelope.
      
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In this paper,a simple partitioned Markov model with three states for mobile radio channel is presented based on a field test curve. The expression of this model and its transition probability mattix P are obtaitied by the eurve fitting with the ntethod of nonlinear least square. In terms of the parameters from this model,burst error sequence is ge- nerated by Software on a computer.The simulation results show that the simple partitioned Markov model with three states is more close to the real channel...

In this paper,a simple partitioned Markov model with three states for mobile radio channel is presented based on a field test curve. The expression of this model and its transition probability mattix P are obtaitied by the eurve fitting with the ntethod of nonlinear least square. In terms of the parameters from this model,burst error sequence is ge- nerated by Software on a computer.The simulation results show that the simple partitioned Markov model with three states is more close to the real channel than GEC model and it is more simple and more pra- ctical than the general partitioned Markov model.

提出了一个建立在简单分群的 Markov 模型基础上表示移动信道的三状态Markov 模型,利用非线性最小二乘拟合法求得了此模型的解析表达式,并计算出描述模型的概率转移矩降 P。根据此模型给出的参数,用计算机软件实现方法产生出描述移动信道长突发错误特性的信道差错序列{e_(?)}。模拟结果表明,用三状态 Markov 模型表示移动信道比用 GEC 模型表示移动信道具有更高的精度,而且比一般分群的 Markov 模型更简单、实用。

In this article a method of CAD for centrifugal pump impeller is given and the sleek impeller flow channel with continuous curvature is gained.In accordance with the given area distributing pattern of flow liquid fracture,two steps,real channel curves design step and vane design step,are crossly programmed to ensure the real area distributing of flow liquid fracture determined by the shapes of the designed axial channel and the vane tallying with the given pattern.Algorithm has been realized,thus...

In this article a method of CAD for centrifugal pump impeller is given and the sleek impeller flow channel with continuous curvature is gained.In accordance with the given area distributing pattern of flow liquid fracture,two steps,real channel curves design step and vane design step,are crossly programmed to ensure the real area distributing of flow liquid fracture determined by the shapes of the designed axial channel and the vane tallying with the given pattern.Algorithm has been realized,thus providing a CAD method for improving design quality and efficiency of centrifugal pump impeller.

提出了一种离心泵叶轮的计算机辅助设计方法,给出了保证叶轮流道光顺的几何模型;在按过水断面面积变化规律设计叶轮流道时,对轴面流道和叶片同时进行设计,使得最终设计出的叶轮轴面流道和叶片所确定的叶轮流道的过水断面面积分布情况精确地符合设计目标。为提高离心泵叶轮的设计质量及效率提供了一个新的方法。

Based on the real channel operation of Subei Canal,the author puts forward some ideas on modification of "Standards for Inland Navigation"(GBJ139-90)

根据苏北运河航道实际营运情况 ,对《内河通航标准》(GBJ139- 90 )提出几点意见

 
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