查询词典 cascade amplification

Aerodynamic analysis was carried out on a flectional cascade. It indicates that flectional cascade is an excellent solution for turning angle control in compressors.

气动特性计算分析结果表明，采用可弯叶片技术方案可在较高的进气马赫数下获得较大的气流折转角和较宽的气流角调节范围。

Expanding the basic ideas of single reservoir flood operation to the cascade reservoirs system, fuzzy optimal flood operation model of cascade reservoirs system with multiobjectives, which divides the system into singe reservoir in according to the flowing direction and determines the solution forword and recurringly, is presented.

将求解单库防洪调度的基本思想拓展到梯级水库群防洪系统中，提出了梯级水库群防洪系统的多目标决策模糊优选模型，其思想是顺流而下，将系统分解成单库，递推求解。

As an example, if you start the swag from the left, the pattern is running up on the left cascade or tail; when running across the top where the swags are, the pattern will be running horizontal; and when it comes down on the right cascade or tail, the pattern will be running down.

作为一个例子，如果你从左边的赃物，该模式运行了左边级联或尾巴；在顶部时，运行其中swags是，该模式将运行水平，而当它归结为右侧级联或尾部，该模式将运行了。

The method comprises: when the sending end receives a high priority SDU from upper layer, the fragmentation, cascade connection and filling are made for the high priority SDU to form HPDU, and then the HPDU is inserted in front of the PDU already completing the fragmentation, cascade connection and filling, and not yet sent out; based on the head expansion type or the length indication, a PDU is determined as a HPDU; in addition, establishing a buffer, and inputting the value of LI ah HE into the buffer; after all HPDUs of a same SDU are collected, a SDU is recombined and is sent to upper layer.

一种无线链路控制层发送确认模式交织协议数据单元的方法，在发送端收到上层高优先级SDU时，将该高优先级SDU进行分片、串接、填充处理形成HPDU，插入到已经完成分片、串接、填充处理但尚未发送的PDU前，使用HE或LI长度指示标识HPDU，实现优先发送HPDU；在接收端接收下层PDU，根据PDU中的头扩展类型HE或者长度指示LI判断为HPDU；另外开辟缓冲，根据长度指示LI和HE值将HPDU中的数据放入该缓冲；同一SDU的所有HPDU收齐，重组成SDU向上层投递。

In addition, for the same power capability, the cascaded converter requires less number of main power components such as main valves and main diodes.In this paper, cascade H-bridge converter with CPS-SPWM technique has been proposed, which is the combination of cascade structure and CPS-SPWM technique.

本文提出了基于CPS-SPWM技术的级联H桥型多电平变流器，它是CPS-SPWM技术与级联H型变流器拓扑结构的结合，同时具备二者的优点，在大功率变流器领域具有很好的应用前景。

This paper will present a new diode-clamp cascade multilevel converter derived from these two topologies. The novel concept of the new diode-clamp cascade converter is based on the connection of multiple three-level diode-clamp converter modules.The multilevel waveform is synthesized by adding of each converter output voltage.

本文将结合这两种拓扑结构，研究了一种新型的二极管箝位级联多电平变换器，其思想是将数个二极管箝位变换器模型串联起来，其输出电压是通过合成每个二极管箝位变换器的输出电压而形成的。

This thesis discussed the construction method for hybrid cascade asymmetrical multilevel converters,and some novel topologies are presented. Hybrid cascade asymmetrical multilevel converter can be derived by combining AMC and AMC,or combining AMC and SMC.

本文研究了组合式不对称混合级联型多电平变换器拓扑的生成方法，在此基础上提出了几种新型拓扑，重点研究了不对称同构混合级联型多电平变换器和不对称异构混合级联型多电平变换器。

In this article, a new multigrid method for solving p-Laplacian equations is proposed based on the existing multigrid method: FAS multigrid method and Cascade multigrid method. This method is a combination of Cascade method and a new method named "back" method.

本文主要研究现有的几种求解p-Laplace方程的多重网格方法：FAS多重网格方法和Cascade多重网格法，并在此基础上提出了一种新的求解p-Laplace方程的多重网格方法：Cascade-back方法。

Cascade Control is applied wildly in industrial production, the cascade control system can improve quality of control with special gifts, improve quality of control effectively.

串级控制在工业生产中有着广泛的应用，串级控制系统对改善控制品质有独到之处，是改善控制质量的有效方法之一。

Experimental investigation on strongly separated flow in an annular compressor cascade ;2. The structures of separated flow, especially, vortices, inside an annular compressor cascade at large incidences have been studied baized on the flow visualization images obtained by means of Laser-sheet method and 7-hole probe measurement.

本文采用激光片光层加示踪粒子流场显示技术，观察和摄取了环形压气机叶栅在约十14大攻角下的内部流动图像；采用七孔气动探针测量了叶栅出口截面上的速度分布S通过对流场实验结果的分析，并结合本文第一部分中得到的叶片近壁区分离流结构，得到了该环形压气机叶棚中严重分离流场的分离流形态和旋涡结构。

According to our present broadcasting situation,the thesis proposes using new technology to update and reform the present HFC. It also suggests broadcasting using self-advantage and arranging EPON in order to win the supermarket.

论文从我国广电的现状出发，结合实际，积极倡导采用新技术更新、改造我国现有的HFC网络；倡导广电现阶段利用自身优势，部署EPON网络来赢取市场。

A new general kinetic equation was derived in which the effect of the removal of condensation water was taken into account completely, and was applied to the polyesterification kinetic study of AA/HPHP and AA/NPG. It was found that the reaction order of self-catalyzed polyesterification was not constant. For these polyesterifications, the reaction order was 2.5 at a low temperature, while 3.0 at a high temperature.

考虑缩合水的排除对反应体系的影响，用体积浓度单位推导出一个新的聚酯反应总包动力学方程，并应用到AA/HPHP和AA/NPG两个聚酯化反应的动力学研究中，研究发现，自催化聚酯反应的反应级数并不是固定值，对于AA/HPHP和AA/NPG两个聚酯化反应而言，低温时反应级数为2.5，高温时反应级数为3.0。