然后对可能影响阻塞率的参数进行了详细的分析。
It analyses some parameters which may affect the blocking rate of crowd.
利用该计算程序，可方便地求得给定一组参数的阻塞率。
The block probability with given parameters can be gotten by the program.
研究了全网平均阻塞率的计算，对研究的一些结论做出了讨论。
Next we compute the mean blocking probability for a whole network. At last we draw a conclusion for our study.
目的是提高网络的资源利用率，降低业务阻塞率，提高网络可靠性。
The aim is to increase the resource utilization of network, reduce traffic block, enhance reliability of network.
而在低网络负载的情况下，SDP -DP算法有最低的连接阻塞率。
When the network load is light, SDP-DP has lowest block probability.
结果表明，该算法能较好地避免链路拥塞，同时具有较低的呼叫阻塞率。
Simulation results show that our algorithm can avoid link congestion and reduce the call blocking probabilities.
在全光网络中，如何合理利用波长转换来降低光网络的阻塞率是一个非常关键的问题。
How to utilize wavelength conversion is the key factor in improving the blocking performance in wavelength routed all optical networks.
仿真实验结果表明，软抢占技术可以在低负载情况下降低网络阻塞率超过一个数量级。
Simulation results show that the soft preemptive scheme can reduce overall network blocking probability by more than one order of magnitude under a light traffic load.
目的：评价多个塑料胆道支架的非阻塞率以及放置超过6个月支架的早期支架堵塞率。
Objective: To assess the incidence of occlusion-free survival of multiple plastic biliary stents and the rate of premature occlusion if left in longer than 6 months.
通过建立一个基于组合数学中容斥原理的理论模型，分析了波分复用网络中组播的阻塞率。
A theory model, based on the inclusion-exclusion principle from combinatorics, was built to analyze the multicast blocking probability in WDM (wavelength division multiplexing) network.
在波长路由光网(WRON)中，波长转换对提高网络性能、减少阻塞率起着重要的作用。
In a wavelength routing optical networks (WRON), wavelength converters can greatly enhance the fiber utilization and reduce the overall call blocking probability of the networks.
因此除了使用人群密度特征之外，本文还提出了人群阻塞率的概念来辅助侦测突发人群聚集事件。
Therefore, this paper defines a feature called Blocking Rate of Crowd, which is used to detect the unexpected crowd incidents.
利用NS-2仿真软件对该算法进行仿真，结果表明，该算法不仅能减轻网络负担，还能降低呼叫阻塞率。
The simulation result based NS-2 simulation software indicates that the algorithm can not only lighten the network burden, but also reduce the call blocking rate.
理论分析结果表明，下一次呼叫阻塞率不仅和位置更新失败率、呼叫移动比有关，还与前一次呼叫状态有关。
It is shown that the next call blocking probability is related to location update failure probability, call to mobility ratio and the previous call status.
本文提出了一种基于负载平衡的自适应多径路由(LBAMR)协议，该协议中用阻塞率表示节点的负载情况。
An adaptive multipath routing protocol based on load-balanced (LBAMR) is presented, in which the block rate denotes the load of a node.
合理的信道化码资源管理策略设计可以提高3g系统的吞吐量、降低用户的呼叫阻塞率和降低信号的峰平功率比。
Channelization code management can increase the throughput, decrease the blocking probability of call setup requests, and reduce the signal Peak to Average Power Ratio (PAPR) in 3g systems.
从模拟的结果，它会被发现KWFF和敌我识别算法，与其他算法相比，可以减少阻塞率和提高在网络中的性能。
From the simulation results, it will be found that compared with other algorithms, KWFF and IFF algorithms could decrease the block probability and improve the performance in the network.
实验结果表明相对于GH(保证切换)策略，TGH降低了新呼叫的阻塞率、切换失败率，得到更好的服务质量。
Compared with GH, experiment results show that TGH has the advantage of lower call blocking ratio, handover failure probability and better QoS.
随后对含有突发人群聚集现象的场景和正常高密度人群场景的人群阻塞率进行了对比，由此证实了该参数的有效性。
And then it gives the blocking rate of crowd in both normal scenes and abnormal scenes, which confirms the validity of this argument.
仿真表明，DSPP不仅能完全保护双链路失效，并且能在资源利用率、阻塞率和保护切换时间之间进行性能折衷。
The results show that DSPP not only can completely protect double-link failures but also can make the tradeoffs between the resource utilization ratio, blocking ratio, and protection-switching time.
提出混合波分复用(WDM)和光码分多址(OCDMA)网络结构方案，并建立数学模型讨论该网络结构的阻塞率。
The scheme of hybrid WDM and optical code division multiple access (OCDMA) system is proposed and its blocking rate is analysed.
实验结果表明：使用FLC算法提高了光波长的资源利用率，同时降低了数据阻塞率，提升了光波长路由器的性能。
The result of simulating experiment indicated that the FLC algorithm enhanced the rate of resource utilization and reduced the rate of data block in the optical wavelength router.
仿真结果显示了QMRA在状态信息不精确的情况下，具有较低的路由阻塞率和数据包的平均延迟，并且能够快速收敛。
Simulated results show QMRA achieves not only a low routing blocking ratio and a low average packet delay, but also a fast convergence, while the network state information is imprecise.
建立了多粒度光网络的阻塞率分析模型，首次考虑了多粒度节点不具备波长变换能力和具备稀疏波长变换能力两种情况；
The blocking probability analytical models for MG-OXC based optical networks are built and both scenarios without and with sparse wavelength conversion capabilities are considered for the first time.
分析了考虑切换优先并采用预留保护信道法的无线系统的性能，提出利用一个综合阻塞率和掉线率这两个性能指标的系统服务等级变量作为系统服务质量的指标。
For blocking rate and dropping rate are two discrepant variables, we propose a variable of service grade that integrates the two variables as metrics for system service quality.
原因：慢性阻塞性肺病(COPD)在中国的患病率多数人不知。
Rationale: The prevalence of chronic obstructive pulmonary disease (COPD) in China is largely unknown.
背景：阻塞性睡眠呼吸暂停症有较高的发病率，它得主要特征是急性的夜间血流动力学改变和神经激素分泌异常，而这些都可能增加心肌梗塞患者在夜间的发病率。
Background: Obstructive sleep apnea has a high prevalence and is characterized by acute nocturnal hemodynamic and neurohormonal abnormalities that may increase the risk of mi during the night.
ATM交换单元采用的输入排队由于存在队头阻塞严重影响了吞吐率，并且信元丢失率也很大。
Head-of-line blocking exists in input queuing used by ATM switching element , which severely affects the throughput , and the cell lo ss is also very large.
慢性阻塞性肺疾病是老年人常见的呼吸系疾病，病死率极高，成为死亡的主要原因之一。
Chronic obstructive pulmonary disease (COPD) is a common condition among the old, which remains a main cause of death due to its high fatality.
慢性阻塞性肺疾病是老年人常见的呼吸系疾病，病死率极高，成为死亡的主要原因之一。
Chronic obstructive pulmonary disease (COPD) is a common condition among the old, which remains a main cause of death due to its high fatality.
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