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   线性功率 的翻译结果: 查询用时:0.528秒
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线性功率
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  linear power
     2GHz Band Bipolar Transistor Linear Power Amplifier
     2GHz频段双极晶体管线性功率放大器
短句来源
     Design of a UHF Broadband Linear Power Amplifier
     UHF宽带线性功率放大器设计
短句来源
     A new_type power operational amplifier PA05and its application in linear power source
     新型功率运算放大器PA05及其在线性功率源中的应用
短句来源
     L-band Broadband Linear Power Amplifier Assembly
     L波段宽带线性功率放大组件
短句来源
     Study and Practice on Complete Solid-State High-Frequency Linear Power Amplifier of UHF Transmitter
     UHF电视发射机全固态高频线性功率放大器研究与实践
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  “线性功率”译为未确定词的双语例句
     The AlGaN/GaN HEMTs with 0.8mm gate width display a total output power of 1.78W (2.23W/mm) and a linear gain of 13.3dB at 8GHz. The power devices also show a saturated current density as high as 1.07A/mm at a gate bias of 0.5V.
     0.8mm栅宽的器件电流密度达到1.07A/mm,8GHz时连续波输出功率为1.78W,相应功率密度为2.23W/mm,线性功率增益为13.3dB.
短句来源
     The tested results are:the achieved noise figure(NF) is below 2.7dB from 1.9 to 4.2GHz,VSWin and VSWout is below 2,the power gain is 30dB,the fluctuation of gain is ±0.7dB.The chip dimension is 1mm×2mm×0.1mm.
     MMIC芯片测试指标如下:在1.9~4.2GHz频率范围内,输入输出驻波小于2.0,线性功率增益达30dB,带内增益平坦度为±0.7dB,噪声系数小于2.7dB.芯片尺寸:1mm×2mm×0.1mm.
短句来源
     Design of a 2W Linear RF Power Amplifier
     射频2W线性功率放大器的设计
短句来源
     Design of Microwave Power Amplifier with High Linearity
     微波高线性功率放大器设计
短句来源
     LINEAR RF POWER AMPLIFIER FOR CDMA
     CDMA射频线性功率放大器
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  相似匹配句对
     POWER LINEAR RESOLVER
     功率线性旋转变压器
短句来源
     Study of the Linear Power Amplifier
     线性功率放大器研究
短句来源
     Linear-fitting Method
     线性拟合法
短句来源
     Linear Prediction
     线性预测
短句来源
     X-band Power Heterojunction Bipolar Transistor
     X波段功率异质结双极晶体管
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  linear power
It is predicted that the coherent pumping efficiency may be increased by adjusting the energy of the pump electrons, which will lead to a linear power dependence, a high efficiency, and low threshold currents.
      
Natural Minimal Set of State Equations of Linear Power Grids
      
The role of linear power partitioning in beam filamentation
      
At longer times, the growth follows a more linear power law.
      
The results of this study suggest a poor repeatability of constant-power upper-body exercises to exhaustion, which may contribute to a poor repeatability of CP and AWC determined from the linear power versus inverse of time model.
      
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Abstract JGD system, a highly accurate position fixing system consists of one master transmitting station, up to five secondary transmitting stations and unlimited mobil receiving stations. It can provide an accuracy of several meters up to above ten meters within a range of 150 kilometers. To reach a compatibility of survey and navigation services, the system uses one medium-high frequence wave for high accuracy and two medium-low frequencies waves for stability of day-and-night operation as well as for lane...

Abstract JGD system, a highly accurate position fixing system consists of one master transmitting station, up to five secondary transmitting stations and unlimited mobil receiving stations. It can provide an accuracy of several meters up to above ten meters within a range of 150 kilometers. To reach a compatibility of survey and navigation services, the system uses one medium-high frequence wave for high accuracy and two medium-low frequencies waves for stability of day-and-night operation as well as for lane identification or ambiguity resolution of the fine pattern by two super imposed coarse patterns. Among the systems of the same sort at home and abroad, JGD system was the first to adopt the new techniques of wide band limiting stages with operational amplifiers as their cores, digital phase locking, automatic lane identification circuits for error analysis and determination, and wide band linear power combination. During the first sea test around Lian Yun Harbour shew that the system was easy to operate, stable when working, accurate in loop closing and effective in lane identification. The system also successfully fulfilled the three tasks of precise position fixing in open sea survey which the Lian Yun Port Authorities were unable to do before. This was favourably commented by those concerned. On the technical meeting of appraising the JGD system managed by the Bureau of Science & Technology of the Ministry of Communications, all the attendants believed that the JGD system was a rather gratifying scientific research achievement, which has improved high accuracy position fixing technique in China.

JGD是由一主台,五副台和任意多个移动接收机所组成的能够在150公里的范围内提供几~十几米定位精度的高精度无线电定位系统.为了满足测量,导航兼容,本系统采用一中短波满足高精度需要,采用二中长波满足昼夜使用稳定性需要,同时完成对精格网的二级多值性消除.与国内外同类型系统比较,JGD首先采用了以线性组件为核心的宽带限幅放大级,数字锁相,具有误差分析与判断能力的自动巷识别电路和宽带线性功率合成等新技术.在连云港的首次海上试验中,证实了本系统操作简便,工作稳定,闭合良好,巷识别功能有效.同时还顺利地解决了连云港建港中过去所无法进行的三项外海测量作业的精密定位任务,受到了有关方面的先赞许与好评.在由交通部科技局主持的关于JGD科研评议会上,与会代表一致认为JGD系统是一项十分可喜的科研成果,把我国的高精度定位技术提高了一步,并通过了科研评议.

In this paper, some design aspects and main performances of microwave linear amplifier with two kinds of bipolar transistors are introdnced. The difference between the microwave power bipolar transistors used for class A operation and class C operation is illustrated, arid some explanation of physical machanism is given as well.

本文介绍了两种双极晶体管微波线性功率放大器的设计特点和主要性能指标。比较了适用于甲类工作和适用丙类工作的微波功率双极晶体管的差异,并对这些差异提出了物理解释。

The paper describes the main design and key technology of microwave linear power transistor. The linear output power of this device is 1.5W at 2.3GHz. The main results are presented: f_0=2.3GHz, P_0(1dB)≥1.5W, G_p≥7dB, η_c≥40% , V_(CE)=12V.

本文介绍了2.3GHz线性输出1.5W的硅微波线性功率晶体管的主要设计思想和采用的关键技术。给出了器件的主要研究结果:f_0=2.3GHz、P_(1dB)≥1.5W、G_P≥7dB、η_c≥40%、工作电压V_(CE)=12V。该器件已于1989年12月通过部级(专家级)产品设计定型。

 
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