... pegmatitic stage 伟晶岩阶段 penultimate stage 末前级 perfect stage 有性阶段 ...
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Research on CMOS implementation of WLAN transceiver RF front-end is done in this thesis. The transceiver uses the most used super-heterodyne architecture, its RF front-end consists of low noise amplifier, down-converter, up-converter, preamplifier, LO buffer and PLL frequency synthesizer.
本论文研究无线局域网收发机射频前端的CMOS实现，该收发机采用超外差式的拓扑结构，其射频前端主要由低噪声放大器、下变频器、上变频器、末前级、本地振荡信号缓冲器和锁相环型频率合成器等模块组成。
参考来源 - 无线局域网收发机射频前端的CMOS实现·2,447,543篇论文数据，部分数据来源于NoteExpress
讨论了变工况下凝汽式汽轮机末级的变工况特点，如反动度的变化规律，余速损失，级前压力的变化特性。
For example, the regular change of reaction degree, the loss of exhausted velocity , the change characteristics of the pressure exerted on the last stage .
采用数值模拟技术详细地研究了不同掠高的某蒸汽轮机末级前掠叶片表面等熵马赫数的分布。
The numerical simulation technique is used to investigating the isentropic Mach number distribution on the different swept height blade surfaces of a turbine last stage blades.
本文对固态线性功率放大器的研制包括：前级放大器的研制、驱动级放大器的研制、末级放大器的研制。
There are three development for the Middle Power Amplifier : the first stage power amplifier, the drive stage power amplifier and the last stage power amplifier .
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