Circadian rhythm variation in hypertensive disease;
高血压病近日节律变化特征的研究
Effects of Different Light Schedules on the Circadian Rhythm of Endothelial Vasoactive Substances;
不同光照方案对内皮源性血管活性物质近日节律的影响
Circadian rhythm of the first 24-hour was analyzed by single Cosinor.
目的:研究近日节律的改变与高血压脑出血手术治疗预后的关系。
An improvement of reaching law of sliding mode control;
滑模控制中一类趋近律的改进
Sliding mode control of servo systems with nonlinear friction based on a fuzzy reaching law;
非线性摩擦干扰下伺服系统模糊趋近律滑模控制
The sliding mode control strategy based on fuzzy reaching law is proposed to control a double inverted pendulum system.
运用一种模糊趋近律滑模控制策略,将模糊逻辑控制与趋近律相结合,推导设计出模糊趋近律的滑模变结构控制器,并对二级倒立摆系统进行了有效控制。
The simulation results indicated that the approach rules presented is appropriate for chattering reduction.
仿真结果表明：通过调整趋近规律的参数能达到良好的抖振削弱效果。
Develops a discrete-time mathematical model for Acrobot system at its upright equilibrium point to analyse the mechanism of chattering which occurs in compliance with the discrete-time exponential approximation law in a variable structure control systems.
分析了离散指数趋近律存在抖振的机理,针对其不足给出了一种改进的趋近律,并将其应用于Acrobot系统的控制中,设计了离散时间变结构平衡控制器。
Presents the design of variable structure control law on sliding mode for Acrobots as a class of underactuated mechanical system, with a modified exponential approximation law employed in the design.
针对体操机器人这种欠驱动机械系统设计了滑模变结构控制律,变结构控制中采用了一种改进的指数趋近律·仿真结果表明对线性化模型所设计的变结构控制器应用在非线性系统中,仍能使机器人系统实现稳定·与极点配置方法相比较,采用滑模变结构控制方法设计的平衡控制器可使机器人系统具有更大的稳定范围(吸引域)和更强的鲁棒性·改进的指数趋近律可有效地降低变结构控制中所产生的抖动,并使系统迅速达到平衡稳定状态
The exponential approximation law is adopted to improve the dynamic performance of the system in the approximating movements to weaken the chattering to improve the queue tracking behavior.
针对TCP模型的非线性本质以及网络中存在的不确定性因素如TCP连接数、回路时延、链路带宽,提出了基于滑模控制(SMC)的主动队列管理(AQM)算法,该算法对不确定性具有很强的鲁棒性,而对滑模控制中普遍存在的抖振现象,采用了指数趋近律方法,并对状态轨线接近切换面时的控制信号进行柔化以削弱由于控制切换而引起的抖动。
The Effects of Circadian System on Morphine Dependence and Learning and Memory;
近日节律系统对药物依赖和学习记忆的影响
Inhibitory Effects of Circadian Gene Per2 on Human Pulmonary Carcinoma Cell
近日节律基因Per2对人肺癌细胞生长的抑制作用
Screening Novel hPER1 Interacting Proteins and Studying the Relationship with Circadian Rythms;
hPER1相互作用蛋白的筛选及与近日节律关系的研究
Study on the Function of Circadian Gene per1 and per2 Besides Its Role in Biological Rhythm Maintaining;
近日节律基因per1和per2的非生物钟效应的功能研究
Circadian Rhythms of Vaso-active Substances and Their Effects on Blood Pressure;
血管活性物质的近日节律现象及其对血压的影响
The Effects of Different Dosing Schedule of Valsartan on the Circadian Rhythm of ET-1 and NO in Rat;
不同时间灌服缬沙坦对大鼠内皮素与一氧化氮近日节律的影响
The Characteristic of Morning Surge Circadian and Mechanism of Target Organ Damage in Essential Hypertension in Elderly;
老年原发性高血压晨峰近日节律特点及对靶器官损害机制探讨
Effects of Different Light Schedules on the Circadian Rhythm of Endothelial Vasoactive Substances;
不同光照方案对内皮源性血管活性物质近日节律的影响
Effects of Age and Gender on the Circadian Rhythm of Blood Pressure and Endothelial Vasoactive Substances;
年龄和性别对血压及内皮源性血管活性物质近日节律的影响
The Effects of Different Valsartan-administrating Time on Circadian Rhythm of Renin-angiotensin System in Rat;
不同时间灌服缬沙坦对大鼠肾素—血管紧张素近日节律的影响
Research on Expression of Circadian Rhythm Gene Period and Gene Timless in the Diapause-induce Process of Silkworm, Bombyx Mori
家蚕滞育诱导过程中近日节律基因period和timless的表达研究
Analysis of Different Hypertension Circadian Rhythms about Stroke Patients.
伴有脑血管意外的高血压患者血压近日节律特点分析
Effects of Age and Sex on Circadian Rhythms of Renin-angiotensin System and Blood Pressure and Their Moleculobiological Mechanisms;
年龄、性别对肾素—血管紧张素系统和血压的近日节律的影响及其分子生物学机制
The Effects of Different Dosing Schedule of Amlodipine on the Circadian Rhythm of ET-1 and NO in Rat;
不同时间灌服氨氯地平对大鼠内皮源性血管活性物质近日节律的影响
Effects of Different Bisoprolol Time on Circadian Rhythm of the Active Substances in the Endothelial System of the Rats;
不同时间灌服比索洛尔对大鼠内皮源性血管活性物质近日节律的影响
The Effects of Different Hydrochlorothiazide-administrating Dosing Time on Circadian Rhythm of Blood Pressure and Renin-angiotensin System in Rat;
不同时间灌服氢氯噻嗪对大鼠血压与肾素—血管紧张素系统近日节律的影响
There are traditional Chinese, Japanese and Filipino holidays,
夏威夷有传统的中国节日、日本节日、菲律宾节日，
Toward brest cancer ptevention by non-parametric estimation and testing of circadian endocrine makers of risk
非参数估计预防乳癌和近日内分泌节律危险标测试验