衰减

The Laser Doppler vibrometer and signal generator are controlled by computer through GPIB bus, in order to make the system more automatic and compatible. A synchronous method for exciting signal and data acquisition is advanced and put into practice in the process of microstructures'free damping vibration.

通过GPIB总线控制激光多普勒测振仪的控制器和信号发生器以提高测试过程的自动化程度，使建立的自动化测量系统具有良好的通用性和可扩展性，并提出了自由衰减法测试的激励信号和数据采集卡同步采集的实现方法； 3。

GM has seen a chair of the north American market shrink whill while its labor costs ** have remained far above its biggest competitor Toyota.

通用汽车公司意识到其在北美的市场份额在衰减，而用于工人的资金却远高于其最大的竞争对手丰田汽车公司。

The Nash equilibrium problem with l2-nor m bound disturbance was studied. The problem was considered as a compound dynam ic game described by N-person non-cooperative dynamic game and two-person zer o-sum dynamic game. By applying H∞ control theory method, the existence conditions of linear quadratic Nash equilibrium H∞ disturbance attenuati on strategies were presented and proved, and its state feedback Nash equilibrium solutions were given.

研究具有l2范数有界不确定性扰动的纳什均衡问题以具有不确定性扰动的线性二次纳什均衡对策问题为例，将其归结为由二人非合作非零和对策和各对策方与外部扰动的二人零和对策构成的复合对策问题，应用H∞控制理论方法，给出并证明了扰动衰减H∞状态反馈策略存在的条件和求解方法，并通过简例说明了算法的有效性

In the model, the characteristics of fast attenuates and update and being sensitive to outside information of instantaneous memory were used to detect abnormal data promptly and prevent intrusion at an early time. The short-term and long-term memory can adjust memory intensity with anomalous accesses, and interconvert with each other that attempts to achieve maximum effect.

在本模型中，利用瞬时记忆衰减更新速度快且对外界信息反应敏感的特点，对异常数据进行及时检测，尽可能较早地阻止入侵的发生；短时记忆和长时记忆可以随着异常访问频度调整记忆强度并进行相互转化，以达到最佳的记忆效果。

AIM: To label bone marrowderived stem cells with superparamagnetic iron oxid and to explore the image characteristics and signal attenuation rules of in vivo the magnetic resonance imaging of the labeled cells in rabbit liver.

目的：探讨超顺磁性氧化铁标记骨髓干细胞的方法和标记细胞在肝脏内的磁共振活体成像特点和衰减规律。

The cyclic hysteretic energy rises quickly at its earlier cycle, and gradually it rises steadily at the steady cycle, but it decreases quickly before ruptures. The cumulative plastic strain energy increases with the increase of the loading frequency and stress level, which is linear with fatigue life on semilog coordinate.

循环滞回能在循环初期呈快速升高的趋势，随后逐渐趋于稳定，在疲劳破坏发生前的最后阶段又迅速衰减，其大小随着应力水平的增加而增加。

Element can be used with other 2-D structural elements to perform unsymmetric or damped modal, full

单元能和其他的2D结构单元一起去完成非对称的衰减模型问题。

The soft X-ray flux of X class flares increases the ionisation of the upper atmosphere, which can interfere with short-wave radio communication, and can increase the drag on low orbiting satellites, leading to orbital decay.

在软X射线磁通的X级耀斑增加了离子化的高层大气，从而干扰短波无线电通讯，并可以增加拖累低轨道卫星，从而导致轨道衰减。

The heavier the ablation is, the faster attenuation the ablating acoustic spectrum has.

烧蚀程度越大，与烧蚀相关的烧蚀声峰衰减越强烈，烧蚀声峰的上升时间约为400 μs。

Theoretically, this new type of MEMS VOA includes various specific ones when different actuating types and structures are designed.

理论上这个新的类型可以通过设计不同的驱动方式和结构形式得到多个具体的MEMS可变光衰减器。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。