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Home > chinese-english > "超外差" in English

English translation for "超外差"

[ chāowàichā ]
[电子学] superheterodyne; superhet; ultradyne
◇超外差变频器 superheterodyne converter; super converter; 超外差电路 superheterodyne circuit; tropadyne; 超外差接收法 superheterodyne reception; 超外差接收机 [电子学] superhet; superheterodyne receiver; ultradyne receiver; 超外差收音机 superheterodyne (radio set); 超外差线圈 super coil


Related Translations:
超外差收音机:  superheterodyne radio setsuperheterodyne
超外差的:  superheterodyne
超外差接收:  superheterodyne reception
超外差线圈:  super coilsupercoilsupper coil
超外差检波:  superheterodyne detection
双重超外差:  double superheterodyne
超外差接收机:  superheterodyne receiver
超外差电路:  superheterodyne circuittropadyne
超外差混频器:  superheterodyne mixer
超外差干扰:  superheterodyne interference
Example Sentences:
1.The receiver used two stages of down conversion . the total gain of receiver is more than 43db
接收支路采用超外差两次下变频的方式,实验表明接收支路的总增益大于43db 。
2.In receiver system development , there are some innovations in the design of high linearity and high dynamic range , also in the circuitry realization
接收机采用两次变频超外差式结构设计,第一中频为高中频。接收机频率合成器采用dds来实现1hz的频率分辨率。
3.In the pre - procession of front radio frequency , the super - heterodyne technology which get proper a / d sampling rate through choosing a proper frequency and bandwidth is adopted
射频前端预处理采用成熟的超外差技术,选择合适的中频和带宽,得到合适的a d采样速率。
4.The rf receiver consists of rf front end and baseband regulation module . the high - intermediate - frequency superheterodyne structure is adopted in the final scheme . the fine sensitivity of the receiver is achieved by two cascaded lna in the front of the system
系统采用超外差式变频结构设计,两级低噪声放大单元级联保证了接收机灵敏度,两级增益控制单元实现了所要求的接收机动态范围,并且整机的线性度也得到了保证。
5.In this paper , microwave t / r front - end for short distance wireless communication is realized in miniature based on low cost mcm - l technology . the main jobs are as follows : 1 . the performances of i / q modulation and direct converter receiver are analyzed to set down the system scheme
主要工作包括以下几个方面: 1 .基于目前流行的数字中频接收技术,分析了i / q调制和直接变频接收机的性能,提出超外差变频的总体系统方案。
6.The high - intermediate - frequency superheterodyne structure with twice conversions is used . three cascaded agc units applies in the receiver system , one of them is used as the choice , for realizing a high dynamic range while the linearity of the system is well guaranteed
系统采用了两次变频超外差式结构设计,第一中频为高中频。另外系统还包含了三级自动增益控制单元,其中一级agc作为选项,实现了较大的动态范围,并且整机的线性度也得到了保证。
7.Mixers are the key components of many microwave and millimeter - wave systems . the super - heterodyne receiver is always applied in modern communication system , mixer becomes the key component as is at the first part of system . but it is more and more difficult to get the choiceness lo source of the same band with the system is working at high frequency especially in the millimeter - wave . sub - harmonic mixer is a good solution to this problem now . in this circuit we need just half 、 quarter 、 even 1 / 8 of the rf signal frequency . in this paper the design and fabricate of sub - harmonic hmic mixers ( 2 , 4 ) at w - band are introduced
混频器是微波通信、射电天文学、雷达、等离子物理、遥控、遥感、电子对抗,以及许多微波测量系统中至关重要的部件。在现代通信系统中,毫米波频段通常采用超外差接收机,混频器作为第一级就成为关键部件。由于在毫米波频段,同频段高性能的本振源成本高,技术难度大,采用分谐波混频技术是解决此问题的有效途径,只需射频频率1 / 2 、 1 / 4甚至1 / 8的本振频率即可实现混频。
8.In this paper , for 2 ~ 2000mhz broadband rf front - end , using subsection processing fixed intermediate frequency superheterodyne architecture , and combining with the actual component ’ s level , a broadband rf front - end system simulation platform is presented , which provided the universal , standardization , and modularization of transmitter and receiver
本文针对频率范围2 2000mhz的宽带射频前端,采用分段处理的固定中频超外差结构,并结合目前的器件水平,建立了一个通用化、标准化、模块化的宽频带射频前端发射机和接收机系统仿真平台。
9.And typical super heterodyne structure in rereiver part . this scheme benefited to reduce frequency error and phase error , and had the advantages of good dynamic range and selectivity , short exploitation cycle and small venture in the given performance demand , etc . this system implemented a six - layer hoard rf handset model together with baseband by using advanced eda tool veribest 2000
系统设计应用hd155131的gsm900 dcs1800双频解决方案,发射机部分主要采用offsetpll方案,该方案有利于减小系统的频率误差和相位误差;接收机部分采用典型的超外差式结构,它具有优良的动态范围和选择性,在给定的性能要求下具有开发周期短、风险小等特点。
Similar Words:
"超挖" English translation, "超挖、超炸" English translation, "超挖度" English translation, "超挖量" English translation, "超挖深度" English translation, "超外差变频器" English translation, "超外差的" English translation, "超外差电路" English translation, "超外差分光计" English translation, "超外差干扰" English translation