English translation for "harmonic mixer"
|
- 谐波混频器
Related Translations:
harmonic: n.1.【音乐】泛音;和声。2.〔 pl.〕【数学】谐函数,调和函数。3.【物理学】谐波,谐音。adj.1.和睦的,融洽的。2.【数学】调和的。3.【音乐】和声的,悦耳的。4.【物理学】谐波的。adj.-ical ,-ically adv.
- Example Sentences:
| 1. | The sub - harmonic mixer is used as unit mixer to reduce lo to its 1 / 4 此镜频抑制混频器采用谐波混频器作为单元混频器,将本振频率降低为基频的1 / 4 。 | | 2. | Fourth - harmonic mixers are adopted in carrier recover in the modulation millimeter wave qpsk signal 解调方案同样采用四次谐波混频器在毫米波已调信号上进行载波同步。 | | 3. | In the part of modulation and demodulation , we analyzed the principles of harmonic mixer , detectors , power dividers / combiners and branch - line couplers 对调制/解调器射频电路部分,包括亚谐波混频器、检波器、功率分配/合成器和分支线耦合器基本原理进行了分析。 | | 4. | Carrier frequency leakage less than - 40db can be attained since good agreement of the two diodes antiparalleled in even - harmonic mixer is guaranteed inherently 在简化载波信号产生电路的同时,利用偶次谐波混频器固有的本振偶次谐波高抑制度特性,来抑制载波泄漏。 | | 5. | Chapter 2 introduces the principle theory of lna , harmonic mixer , multiplier , spdt , vco and the basic design flows of the ads examples ( x - band ) , the power combine technology , the millimeter - wave power amplifier mmics ’ trends nowadays 第三章介绍了毫米波前端中无源电路的设计,包括毫米波窄带滤波器的设计、微波和中频滤波器的设计、波导到微带的过渡、微波信号的层间过渡。 | | 6. | Especially , the characteristic of even - harmonic mixer is analyzed and design technique to control the phase characteristic of the mixer is presented . the mixer circuits are designed ; the results of simulation and experiment test are compared and analyzed 讨论了利用eda工具的电路设计技术,利用hpads 、 ansoft软件完成了电路设计、仿真和制作了上述器件,并把电路仿真和场仿真以及测试结果进行了比较和分析。 | | 7. | This problem could be resolved by using sub - harmonic mixer ( shm ) . instead of using mmw lo , shm using microwave signal with frequency equals 1 / 2 or 1 / 4 of mmw lo frequency , thus the technical difficulty and cost of mmw system is reduced remarkably 采用亚谐波混频器( sub - harmonicmixer )可将本振频率降为基波频率的1 / 2或1 / 4 ,从而克服了直接采用毫米波本振源带来的困难,降低了射频接收机的技术难度和系统成本。 | | 8. | The modulation circuit utilized the vector modulation technology based on fourth - harmonic mixer . the lo frequency is only quarter of carrier frequency . direct high speed qpsk digital modulation of millimeter wave signal can be realized with fairly simplified lo circuit 调制电路采用了以四次谐波混频器技术为核心的矢量调制技术,利用1 / 4载波频率作为本振信号,实现了对毫米波信号直接进行高速qpsk数字调制。 | | 9. | 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。 | | 10. | The design process consisted of computer design by circuit simulation software integrate with electromagnetic simulation software , fabrication of microstrip bpf 、 lpf 、 the match circuits , cavity and test . when rf frequency is 91 ~ 97ghz , lo frequency is 47ghz , power is 10 dbm . the best conversion loss of the 2 and 4 sub - harmonic mixer is 13 . 5 db and 23 . 5db which is shown in the test 实测表明,在本振为47ghz ,功率10dbm ,测试射频带宽为91ghz 97ghz时,二次与四次分谐波混频器变频损耗最优处分别为12 . 7db和23db 。最后对实验结果进行分析并提出改进措施。 |
- Similar Words:
- "harmonic mean" English translation, "harmonic measure" English translation, "harmonic method" English translation, "harmonic minor scale" English translation, "harmonic minor seventh" English translation, "harmonic mixing" English translation, "harmonic mode crystal" English translation, "harmonic mode locking" English translation, "harmonic motion" English translation, "harmonic motion cam" English translation
|
|
|