查询词典 summing amplifier

The weight and volume of the power electronics equipment will be minished greatly by using switch-mode power amplifier instead of the traditional linear power amplifier.

采用电力电子开关功率放大器取代传统的线性功率放大器，极大地减小了装置的体积和重量。

Parallel wiring provides for maximum amplifier output, while series wiring lets you configure multiple woofers to one amplifier at an acceptable impedance.

平行的接线提供最大放大器产品，当系列接线让您配置多台低音扬声器对一个放大器在可接受的阻抗。

SOA can be used in the dispersion compensation in fiber transmission system, all-optical regeneration, optical time division multiplexing, and used as preamplifier, in-line amplifier, boost amplifier in signal transmission. SOA can be also used as wavelength converter, optical switch. In signal procession, nonlinear optical loop mirror based on SOA can be used in optical pulse reshaping, and used as high rate (100Gbit/s) demultiplexer, and optical correlator for optical data retiming.

在信息传输方面，SOA用于色散补偿、全光再生和光时分复用和前置放大、线路放大、功率放大等；在信息交换方面，SOA用于波长转换、光开关等；在信号处理方面，SOA构成的非线性光环形镜用于光脉冲整形、光数据信号再定时的光相关器和高速（100Gbit/s）解复用等。

Our company is specialized in producing all kinds of industrial aluminum radiator, car audio, car amplifier casing manufacturers, annual production capacity of 2000 tons, 3,000,000 units, the company has a cutting machine 3, Machining Center CNC 19 units, 7 punch, hook type shot blasting cleaning machine 1, sand blasting 3 units, 2 sets of automatic tapping machine, bench drill 10, Shuimo hair treatment line 5, gantry 2 oxidation production lines, spray painting a production line, water purification, sewage treatment Line 1, equipment, the vast majority of imported equipment for the South Korean advanced equipment, strong technical force, complete testing means, our products are mainly for the major vehicle manufacturers car audio amplifier ancillary components such as radiators. Through 2004 version of ISO14001-1996 certification.

本公司是专业生产各种工业铝型材散热器，汽车音响，汽车功放外壳的厂家，年生产能力2000吨，300万件套，公司拥有切割机3台，加工中心CNC 19台，冲床7台，吊钩式抛丸清理机1台，喷砂3台，自动攻丝机2台，台钻10台，水磨发丝处理线5条，龙门式氧化生产线2条，涂装喷塑生产线1条，净水、污水处理线各1条，设备绝大部分为韩国进口设备，设备先进，技术力量雄厚，测试手段齐全，我司产品主要为各大汽车生产商的汽车功放音响等散热器零部件配套。2004年公司通过ISO14001-1996版认证。

In the first part of the thesis, we propose and investigate experimentally a gain-clamped S-band erbium-doped fiber amplifier, a stable and single-longitudinal-mode oscillation of an S-band EDF ring laser. The behaviors and performances of the S-band amplifier have also been discussed in the text.

本论文的第一部分是提出一个S频段的增益箝制掺铒光纤放大器（Erbium-Doped Fiber Amplifier： EDFA）与一 S 频段的单模光纤回路型雷射。S频段的增益箝制EDFA的光特性与其行为都在本文中被探讨。

A flat high efficiency super-broadband source was presented. We achieved a C+L-band superfluorescent source, in the region from 1524. 0 to 1600.4nm, the power of the ASE are over -12. 0dBm and the ASE profile excursion is only ±1. 4dB in the region from 1539. 2 to 1600.4nm. The power of the ASE is 22. 1mW and the power conversion efficiency is 18. 8%. 9. The amplification characteristics of thulium-doped fiber amplifier had been studied using the basic theory for fiber amplifier. The connection between the Tm-doped fluoride fiber and silicon fiber was accomplished, and we studied the TDFA and the reason that the expecting results hadn't achieved had been analyzed. The assumption of the Er-Tm-co-doped silicon fiber had been presented, and we studied the Er-Tm-co-doped silicon in cooperation with the correlative corporation, some results had been got and the further studies are carried on.

实验结果得到了覆盖C+L-波段的超荧光光源，在1524.0-1600.4nm波长范围内，自发辐射谱的功率均高于-12.0dBm；在1539.2-1600.4nm波长范围内，自发辐射谱不平坦度为±1.4dB；荧光总功率为22.1mW，功率转换效率为18.8%； 9、应用光纤放大器的基本理论，理论分析和研究了掺铥光纤放大器的放大特性；解决了氟化物掺铥光纤与硅基光纤的连接问题，进行了TDFA的实验研究，分析了没有得到预期结果的原因；最后提出了铒-铥共掺硅基光纤的构想，并与有关单位合作，共同研制了铒-铥共掺硅基光纤，得到了一些前期结果，进一步的研究仍在进行当中。

The system consists of phantom, signal source block, power amplifier block, measuring mode setting block, high accuracy amplifier and high speed demodulator.

该系统包括信号源模块，功率放大模块，测量模式设置模块，信号放大模块，同步解调模块。

Subsequently, owing to the self-adaptability of the amplifier gain, the amplifier adjusts the self-gain according to the input RF signal amplitude, leads the output voltage to be stable, and ensures the normal operation of the sub-step circuit.

而后由于放大器增益的自适应性，放大器根据输入的RF信号幅度调节自身增益使得输出电压稳定，保证了后级电路的正常工作。

Advantages of power operational amplifier in underwater sound transmitter and problems of power opertional amplifier with reliability and stability in application are described.

描述了功率运放在水声发射机方面的特点，探讨了功率运放在应用中可靠性和稳定性等方面的问题，给出了发射机应用实例。

Therefore, a programmable control amplifier is designed by using digital potentiometers and a low-power operating amplifier.

为此，采用数字电位器和低功耗运算放大器研制了一种程控放大器。

More direct, directer ; most direct, directest

径直的，笔直的

Do you know how to use a chain saw?

你知道如何使用链锯吗？