The radiation field evolves from a steady saturation state to a limit cycle oscillation state , and eventually to chaotic oscillation state as the current increases , the region in which the field exhibits limit cycle or chaotic oscillation is called the " soft " and " hard " nonlinear regime , respectively : ( 1 ) in the " soft " nonlinear regime , the radiation field is characterized by period doubled bifurcation and the discrete power spectrum 随着电流的增大，辐射场经历由稳定饱和到极限环型的周期振荡，并最终过渡到非周期性混沌振荡的演化过程，按其状态可分为“软”和“硬”两种非线性区域： ( 1 )在“软”非线性区域，场的极限环振荡态和稳定饱和态是交替出现的，其特征是典型的倍周期分岔，输出功率谱是分立的。
Then an lqocm linear quadratic optimal control model is presented . finally , experiments demonstrate that , for the end - to - end drts whose control matrix - pmb g falls into the stable region , the ic - eat is convergent and stable . moreover , it is capable of providing better qos guarantees for end - to - end aperiodic tasks and improving the system throughput 在这之中，一部分系统常常运行于动态与不确定环境，比如：在一个自动监控系统中，被监控目标数的动态变化使得系统中任务的到达与离开呈现出非周期性此外，任务的执行时间也随着系统任务数目标距控制中心距离的变化而变化。
In the integrated scheduling service , hard periodic tasks are scheduled off - line to meet their real - time requirements , and each soft aperiodic task request is assigned a suitable deadline to enhance the aperiodic responsiveness . scheduling guarantees of hard periodic tasks are preserved through the on - line schedulability analysis . the sharing of critical section resources between the tasks is also considered in the integrated scheduling service ' s schedulability analysis , and bounded blocking for accessing the critical section resource is achieved by introducing the priority ceiling protocol 在该模型中，对硬实时周期性任务集进行离线调度以满足其可调度性保证：给动态到达的软实时非周期性任务分配一个截止期，提高其响应性能，同时通过在线可调度性分析保证周期性任务的可调度性不受影响；集成调度服务模型在可调度性分析中还考虑了任务之间共享临界区资源的情况，采用优先级上限协议对访问临界区引起的阻塞进行了定界分析。
Since the security of stream cipher depends on the randomness of key sequence and the intensity of the initial key , first we analyze sensitiveness of lorenz chaotic system to initial conditions and parameters , and non - periodicity and pseudo - randomness of the chaotic sequence generated by lorenz chaotic system . the optimum domain of initial values and parameters is obtained 由于序列密码算法的安全性依赖于密钥序列的随机性和初始密钥的强度，我们首先从动力系统的运动性态着手，分析了lorenz混沌系统对初始条件和参数的敏感性以及由其生成的混沌序列的非周期性和类随机性，得出初值和参数的最佳取值范围。
