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.	This design keep the twice frequency transform and the superheterodyne structure in analog receiver , and use programmable direct digital synthesizer ( dos ) in rf section . use this method , we can not only inherit the advantage of high sensitivity and high selection in traditional design , but also improve the automation of the equipment 该方案保留了原模拟接收机二次变频的超外差结构，在射频前端利用了可编程的数字频率合成器( dds ) ，这样既继承了原接收机的高灵敏度，高选择性的优点，又提高了它的接收机自动化特性。
	9.	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。
	10.	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