论文在分析了交通流概率分布规律的基础上,提出一种适用于微观交通仿真的基于泊松分布的断面发车模型。
After analysis of probability distribution law of traffic flow, this paper puts forward the Section Vehicle Dispatch Model that ADAPTS to microscopic traffic simulation based on Poisson distribution.
仿真结果表明,在低信噪比的多径信道下,该算法可通过选择合适的训练符号,使错检概率低于常规算法。
The simulation results indicate under multipath channel for low SNR, the new algorithm has lower probability of failure than the conventional algorithm by adopting proper training symbols.
研究了分布式天线系统中断概率和中断容量和基于遍历容量的天线选择问题,给出了仿真结果和进行了相应的分析。
Capacity-related issues such as outage probability, outage capacity and antennas selection based ergodic capacity for DAS are studied and simulation results are presents and analyzed.
给出了平均侦察时间和命中概率的计算方法,并结合具体实例,进行了计算和仿真研究。
The method of calculating average detecting time and shot probability is given. And combining an concrete example, the research of calculating and simulating is carried through.
本文还给出了一种简练的函数构造法,用该方法构造的函数能较好地逼近活动工期概率密度函数,方便了对计划网络图的计算机仿真运算。
It also gives a construction approach for approximating the probability density function of activity duration, which will facilitate the computer simulation of the PERT diagram.
通过对仿真雷达末端武器系统的模拟,可以得到本系统的毁伤概率和系统精度,同时可对组成设备进行精度分配。
By the end of the simulation radar weapons system simulation, the system can get the damage probability, precision and the distribution of precision equipment.
应用该方法可以大大提高小概率事件的抽样效率,文中给出一组仿真结果对照。
Using the way, the sampling efficiency for small-probability events can be improved considerably, as can be seen from the contrasts shown in a group of results of simulation.
仿真结果表明,周期斜率方差检测器是一种恒虚警概率检测器,在较低信噪比下可有效检测双曲调频信号,并对多普勒失配有很好的适配性。
The simulation result shows that VPSD is a kind of constant false alarm rate detector, which can detect HFM signal effectively in low SNR, and can adapt to the Doppler mismatch very well.
计算机仿真结果表明,在调制带宽或扩频增益不变的前提下,提高了DSSS调制信号的低概率截获性能。
As a result, the computer simulations show that the LPI capability of the new DSSS modulation become more effective within the same bandwidth and Spread Spectrum gain.
理论分析和计算机仿真都表明,星敏感器的测量精度和焦距,下行信号光的束散角将影响激光链路成功建立概率。
Theory analysis and computer simulation show that the precision and focus of star tracker, the divergence angle of down beam influence the probability of laser link setting up.
理论分析和计算机仿真结果均表明,在低信噪比的情况下,相参积累方法可以提高UWB雷达的目标识别概率。
Theoretical analysis and the results of simulation show that coherent accumulation can improve UWB radar target recognition probability in the condition of low signal noise ratio.
仿真结果表明,该跳频同步方案具有同步时间短,捕获概率高,虚警概率低和抗干扰能力强的特点。
The simulation results show that this method has the feature of short synchronization time, high capture probability, low false probability and high anti-jamming performance.
最后通过大量仿真试验验证了分形特征和基准图的正确匹配概率之间的关系,对于景象匹配区的选择具有一定的实用价值。
Experiments validate the relation between acquisition probability and fractal feature of reference map, which is valuable for the selection of scene matching reference map.
给出了参数自适应律和控制律,使得跟踪误差以概率1渐近衰减到零。仿真结果表明了该设计方法的有效性。
A parameter adaptive law and a control law were obtained to ensure asymptotic attenuation of the tracking error to zero with probability 1. The simulation results show the validity of the method.
通过自适应步长功率控制算法与固定步长算法仿真的比较,得出这种算法通过动态改变步长可以更加适应功率的变化、有效降低中断概率、收敛速度大大加快的结论。
Simulation results show that the algorithm has better adaptation for the change of power and can lower average outage percentage effectively and faster convergence speed than the fixed-step algorithm.
论述了电力线信道上脉冲干扰的特性,运用概率论推导出存在脉冲干扰时求解敖据帧长度的数学模型,并进行了仿真模拟验证。
This paper discusses the nature of the impulsive interferences with on the power line channels, and presents a model for finding a frame length and a simulated example using probability.
接着对定向算法进行仿真实验,验证了各种算法,并采用概率密度统计的方法使定向结果更明显;
Then, by using probability density statistical method, the three algorithms are simulated and verified, and the problem that two results appear in DOA estimation is solved.
理论分析和仿真结果表明,改进的协作重传机制可以有效降低重传碰撞概率,提高重传成功率,并改善系统吞吐量。
Analytical and simulation results indicate that improved scheme can alleviate collision problem caused by cooperation, increase probability of successful retransmissions and enhance system throughput.
对大量仿真计算结果进行统计分析,可以得到总工期及关键路线的概率分布结果,为施工管理提供更多的信息。
After enough turns of simulation, the distribution of the total work period can be determined, at the same time the critical path can be found in the probability concept.
匹配场反演仿真算例表明,该算法能有效对反演结果进行概率分析。
Examples based on synthetic data show that posteriori probability analysis for matched field inversion can be conducted effectively by the proposed parallel optimization algorithm.
仿真结果表明,与平均功率分配算法相比,所提算法能更好地降低系统中断概率,提高传输可靠性。
The simulation results show that the proposed algorithm can achieve lower system outage probability and improves the transmission reliability compared with the algorithm of average power assignment.
仿真结果表明,所提出的算法是接近LAUC调度时间,和数据突发损失概率的性能优于LAUC -VF。
Simulation results show that the scheduling time of the proposed algorithm is close to LAUC, and the performance of data burst loss probability is better than LAUC-VF.
计算机仿真和理论计算结果表明:同步帧中使用的同步脉冲越多,同步概率越高。
Simulation results and theoretical analysis indicate that the more synchronization impulses are used in one synchronization frame, the higher the synchronization probability.
接着从信息熵的概念谈起,通过对小概率事件仿真方法的分析,引出交叉熵优化方法的思想。
Then, starting with the concept of information entropy and analysis about cross method for rare event simulation, this thesis introduces the basic idea of cross entropy optimization method.
本文概述了跳频通信的特点,讨论了对舰载跳频通信信号的侦察概率进行分析的数字式步进搜索技术所要解决的问题,并对其分析结果进行了仿真。
This paper states the traits of FH communication, and discusses the paradox of the digital strip scan technique that can analyze the reconnaissance probability of the shipboard FH radio.
这种方法通过由相关函数抽样序列形成的协方差矩阵控制序列的相关性,适用于仿真具有不同概率密度函数的各种有限长相关的随机序列。
This method can control the series correlation via covariance matrix that was formed from correlation series and is suit for simulating finite correlated random series of different distributions.
仿真分析表明,二项分布和泊松分布均可以在低虚警概率下较好地描述海尖峰的统计特性。
The results indicate that both binomial distribution and Poisson distribution well fit the statistic characteristics of sea spike under lower false-alarm probability.
仿真分析表明,二项分布和泊松分布均可以在低虚警概率下较好地描述海尖峰的统计特性。
The results indicate that both binomial distribution and Poisson distribution well fit the statistic characteristics of sea spike under lower false-alarm probability.
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