查询词典 operational amplifier

In the first part of this paper, we concentrate on the categories and character of operational risk, discuss the important affect on financial institution. The present situation of operational risk management in Chinese financial institution is also briefly introduced. In the second part of this paper, the strategy, organization structure and management process of operational risk management is discussed, and some main methodology and system of the internal control of operational risk management in international financial institution are listed here.

本文第一部分简要地介绍了操作风险的分类和基本特征，并分析了操作风险对金融机构的重要影响和我国金融机构操作风险管理现状；第二部分着重讨论操作风险管理的战略，操作风险管理的组织结构、管理流程，以及操作风险管理的内部控制过程，并列举了一些国际上通常的内部控制手段和制度。

The main contributions of this research lie in that, Firstly, with reference to major research in this field, the study does not confine itself to the common methods used. With the study of the foundermental financial institutions as a starting analysis point, it helps to broaden the view of international academic research on operational risks, and deepen the understanding of the intensions, characteristics and attributes of commercial banking operational risks. Secondly, studying operational risks on the basis of the unique economic and institutional conditions of China and utilizing the concept of operational risks to redissect the risk structure of SOBs contributes to the comprehensive understanding of the root risk structure of China's financial risks and the practical difficulties encountered in the governance of SOBs. It also helps to implore how to combine the international standard rules with the economic development and the financial system reform.

本研究的主要意义在于：第一，博采众长，不拘泥于现有银行风险研究方法，从对基本金融制度的探讨展开分析，有助于拓宽学术界研究操作风险的视角，同时也深化了对商业银行操作风险的内涵、特征和属性的认识；第二，立足中国国情研究操作风险，利用操作风险概念重新解析国有商业银行风险结构，有助于更全面地理解中国金融风险的深层结构和中国国有银行治理的真正困难，为探索如何将国际通行规则与中国经济发展和金融体制改革有机结合开辟了新思路；第三，在理论研究和实证研究的基础上，为商业银行操作风险管理和监管部门监管提供对策，对于操作风险管理和监管的现实操作具有借鉴意义。

In the electronic system, a power amplifier which provides magnetic coil with exciting current to produce electromagnetic force is one of the main components. General commercialization of power amplifiers can not meet the application requirements, but should be designed.Power amplifiers are divided into linear amplifier and switching amplifier.

磁悬浮轴承是典型的机电一体化系统，在其电控系统(传感器、控制器和功率放大器)中，功率放大器具有重要的作用，它向电磁铁线圈提供相应的控制电流以产生所需要的电磁力。

One is auto-zero and the other is chopping. The chopping amplifier with its many parts of modulation switches, pre-amplifier, band-pass selective amplifier, and voltage follower and demodulation switches is designed. The circuit is simulated with HSPICE to optimize. The residual offset of microvolt and the equivalent input noise PSD of 70 nV /Hz were obtained.

zero和斩波Chopping 对失调和噪声的影响，具体针对传感器的信号要求进行了斩波放大电路的调制，预放，带通选择放大器，电压跟随和解调等各个部分的设计，电路使用Hspice进行了仿真优化，达到了微伏量级的残余失调和70 nV /Hz输入等效噪声PSD。

The company has leading products: 1 W, 10W, 40W broadband microwave power amplifiers ,2-18 GHz microwave broadband hybrid integrated amplifier, 6-18GHz microwave broadband hybrid integrated amplifier, broadband low-noise amplifier, millimeter-wave power amplifiers, high-speed high-power microwave switch , Multi-channel switch filters, multi-channel receiver components, microwave, millimeter wave components RT ,1-18 GHz broadband limiter, broadband, such as ultra-wideband microwave antennas, of which 1 W has established mass production of microwave power amplifiers, 40 W microwave power Amplifiers ,2-18 GHz broadband hybrid integrated microwave power amplifiers, and other domestic fill the gaps, for the military plant, provided by the various military microwave devices and micro-electronic devices, for the modernization of national defense have made contributions to the building, the company also created a good Economic and social benefits.

公司的主导产品已有：1W、10W、40W宽带微波功率放大器、2-18GHz微波宽带混合集成放大器、 6-18GHz微波宽带混合集成放大器、宽带低噪声放大器、毫米波功率放大器、高速大功率微波开关、多通道开关滤波器、多通道接收组件、微波、毫米波R-T组件、1-18GHz宽带限幅器、宽带、超宽带微波天线等，其中1W微波功率放大器已定型批量生产，40W微波功率放大器、2-18GHz宽带混合集成微波功率放大器等填补了国内空白，为军工厂、所提供了各种军用微波器件和微电子器件，为国防现代化建设做出了贡献，也为公司创造了良好的经济效益和社会效益。

The ways of parallel resonant DC link and three-level control strategy were used in this power amplifier circuit. Output current ripple of power amplifier can be reduced as three-level power amplifier, all of power switches work on and off under the zero voltage switching or zero current switching, loss of switching and current ripple interference effectively reduced.

该电路在功率放大器三电平控制策略的基础上应用了并联谐振直流环节，保持了三电平功率放大器输出电流纹波小的优点，同时功率器件均工作在零电压或零电流条件下，开关损耗、电流纹波干扰有效地减小。

The Difference Amplifier 差分放大器: The difference amplifier is the complement of the summing amplifier and allows the subtraction of two voltages or, as a special case, the cancellation of a signal common to the two inputs.

电路见图5，这种电路在运算电路中相当有用，比如差分对单端的转换，抑制共模信号。

The relation between quiescent point and voltage gain,input resistance,output resistance, maximum nondistortion output voltage ,dynamics parameter in amplifier is discussed by commom-emitter fixed-bias amplifier,the effective methods to improve voltage gain are deduced,and how to set reasonale quiescent point′s position based on amplifier′ different is also presented finally.

以共射固定偏置放大电路为例讨论放大电路中静态工作点与电压放大倍数、输入电阻、输出电阻、最大不失真输出电压等动态参数的关系，得出提高电压放大倍数的有效方法。

The switching power amplifier is optimized based on the achievement of electromagnetic force, and the circuit structure of tristate power amplifier with soft-switching is designed. This circuit owns the advantages of reducing the dissipationpower on the power component and improving the speed of system dynamic response, enhancing the stability of the electromagnetic force in the final state, and the nice result is presented by the simulation. The small-signal model of the power amplifier is also established.

在实现支撑所需的电磁力基础上，对开关功率放大器电路进行了优化设计，采用三电平软开关的电路结构，以降低主功率器件的功耗、提高系统的动态响应速度、提高稳态电磁力的平稳性；仿真分析表明可以达到预期的效果；最后还建立了功率放大器的小信号模型，为控制系统的调节器设计提供了依据。

Based on these theories, this paper discusses the method of the design of the low noise amplifier integrated active microstrip patch antenna, which considers the low noise amplifier and the microstrip antenna and takes both mutual matching into account. The size of the active integrated antenna and the circuit configuration of the low noise amplifier are obtained at the specified operation frequency.

根据这些理论，把低噪声放大器和微带天线结合起来，并考虑两者之间的匹配，讨论了一种集成低噪声放大器的有源微带贴片天线的设计，得到了在给定工作频率下的有源集成天线尺寸和低噪声放大器的电路结构。

It was just a normal day of school

那只是上学的普通一天

Which is a very good reference in this issue.

这是一个在这个问题上很好的参考。