查询词典 a-c generator

In addition, the mass transfer process of main components in the heat pump cycle, such as a generator and an absorber, is analyzed, and the mass trasfer model, the relation of its separation effectiveness with the thermodynamic inconvertibility are described.

根据热力学第一、二定律，从理论上建立了描述该类热泵的数学模型。从热力学不可逆性原理出发，分析了热泵循环过程的热力学不可逆性引起的〓损失。

He invented a generator superior to any one inexistence.

他发明了当今最先进的发电机。

We also obtain the representation formula for the transition probability density of a right process under Esscher transform and the infinitesimal generator of the transformed process.

此外，我们还得到了右过程在Essche变换下的转移密度表示公式及变换后过程的无穷小生成元。

For the problem of value iteration optimization of the compact action set in semiMarkov decision process, a unified standard VI algorithm directly based on the equivalent infinitesimal generator under both discount and average criteria was proposed with the proof of convergence.

针对半Markov决策过程在紧致行动集上的数值迭代优化，提出了折扣和平均准则下直接基于等价无穷小生成子的统一的标准数值迭代算法，并证明了其收敛性。

Compared with deterministic systems, the infinitesimal generator for the system is a second-order differential operation. In this dissertation, we designed the quartic control Lyapunov function and systematically design the state-feedback and output feedback adaptive controller using integrator backstepping methodology. The closed-loop system is asymptotically stable in the large.

与确定性系统相比，随机系统的Lyapunov函数的微分运算包含二阶导，所以设计适当形式的控制Lyapunov函数十分关键，本文设计了四次型的控制Lyapunov函数，并应用积分反推技术，给出了状态反馈及输出反馈自适应控制器和鲁棒自适应控制器的设计方法，证明了闭环系统概率意义下的渐近稳定性和有界稳定性。

In this thesis, the design scheme of a DSP-controlled inverter applied in mobile generator is presented at the beginning and then the design method of control system is mainly discussed. Equivalent output impedance model of instantaneous voltage and current closed-loop controlled inverter is established on the foundation mentioned above. How the values of LC filter, parameters of PI regulator and feedback coefficient etc. affect the external characteristic of inverter is analyzed in detail. Non-linear factor of inverter are also discussed and corresponding solutions are put forward.

本文首先给出了移动发电机DSP控制逆变模块的设计方案，着重讨论了控制系统的设计方法，在此基础上建立了电压电流瞬时值双闭环控制的逆变模块等效输出阻抗模型，对滤波器LC值、PI调节器参数和反馈系数等各项因素对逆变模块输出外特性的影响进行了详细分析，并探讨了逆变模块中非线性因素对输出波形的影响，提出了相应的解决方案。

This paper proposed a saw wave generator circuit with good linearity by using NE555 and constant current charge integration circuit.

利用NE555定时电路和恒流充电的积分单元电路，设计线性良好的锯齿波发生电路。

Rather than using warp disrupt probes, the heavy interdictors use a module, the Warp Disruption Field Generator , which prevents all ships within its range from warping or jumping (including the heavy interdictor itself).

比起跃迁干扰探针，重型拦截舰可以使用更强力的装备，跃迁干扰场发生器，它能阻止场作用范围内所有的船只的跃迁，包括它自己。

A generator of electricity using chemical energy directly by ionization and oxidation of the fuel.

通过燃料电离和氧化，直接将化学能转换成电能的发生器。

Max Donelan of the Locomotion Laboratory at Simon Fraser University in British Columbia, in collaboration with American and Canadian researchers, is developing an electromagnetic generator fitted to a standard knee brace.

英国研究院与美国和加拿大的研究人员联合，正在研究一种电磁发电机来满足标准的膝型支架。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。