词语大全 ka band造句 ka bandの例文 "ka band"是什麼意思

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Chapter six reapzes the ka band 0 - pm t / r ponent on the basis of above - mentioned function parts
第六章在前述各個功能部件的基礎上實現了ka波段0 -調相收發組件。

On the basis of introducing microwave ponents and parts basic theories in detail , this text develops ka band 0 - pm t / r ponent
本文在詳細介紹微波元器件基本理論的基礎上,研制了ka波段0 -調相收發組件,完成了組件的正樣設計。

Based on those and the practical needs of some projects , the thesis mainly focuses on o different kind milpmeter mixers : a ka band mixer and an ehf band mixer
根據以上分析和應用項目的實際需要，最后本文集中于對兩種混頻器的研制：一種ehf頻段混頻器；一種ka頻段混頻器。

So the low price , small bulk and high performance of front - end rf bee more and more important . in this dissertation , a ka band multipper chain is developed , which can be used for local oscillator
低價的、小型的、高性能的射頻收發前端的開發顯得越來越重要，本論文所研究的課題是ka波段倍頻鏈，要求把2ghz的信號倍增至36ghz 。

The dissertation mainly researches the ka band single pole triple throw switches . o kinds of pin switches are discussed in theory , simulation and experiment , the simulation results and test results are all included
對pin開關的理論,分析方法,模型的建立以及實際電路的制作等方面進行了一定的研究,實際制作了微帶、鰭線兩種單刀三擲pin開關。

In the paper , the transition of ka band rectangular waveguide to micro strip probe and the back - to - back structure are designed . the measurement results indicated the low insert loss and low return loss from 35 ghz to 40 ghz
本文設計了ka波段矩形波導到微帶探針過渡結構以及背對背結構,測試結果表明,在35 40ghz頻率范圍內,其插入損耗和回波損耗都比較小。

The paper analyzes in detail the characteristics of this circuit in the aspect of locking range improvement and its merits in the aspect of phase noise , and designs the ilpll circuit in the form of ka band cavity structure and verifies its characteristics
文章詳盡分析了此電路在展寬帶寬方面的特性和相噪的優越性,設計了ka波段腔體結構形式的ilpll電路并驗證了其特性。

In the active circuit part , based on the theories of multipper of srd and fet , we have designed the circuit of x band 6 multipper and ka band tripler . then they are simulated and optimized using harmonic balance method . furthermore , the results of optimization and experiments are analyzed
在有源電路部分，我們介紹了階躍管、 fet倍頻器的基本原理，在此基礎上分別設計了兩個倍頻器電路，然后利用諧波平衡法進行了仿真，并對仿真、測試結果作出了比較。

The antenna is obtained by extending the longitudinal strip of the fin - pne , and etched on a metalpzed dielectric substrate . it is operating at ka band ( center frequency : 34ghz ) , which has a good agreement beeen simulated and measured results . its e - and h - plane 3db main lobe beamwidth are 79 . 25 and 80 . 03 degrees respectively with sidelobes less than - 10db
天線工作的中心頻率為34ghz , e面和h面測試方向圖主瓣寬度分別為79 . 25o和80 . 03o ,旁瓣電平均小于- 10的db ,仿真和試驗結果基本一致,所設計天線的各項指標經測試基本達到要求。

For the operating frequencies of modern radars and guidance 、 electronic countermeasure system 、 munication system 、 remote sense and remote measurement system expand to milpmeter band step by step , the operating frequencies of t / r module raise ceaselessly . simultaneity milpmeter wave t / r module which has the advantages of small dimension , pgheight , wide band is more suitable to the requirement of modern army and munication system . this paper is mainly referred to the research of t / r module in ka band
現代雷達與制導、電子對抗、通信、遙感遙測系統的工作頻率已逐步由微波波段擴展到毫米波波段,因此t / r組件的工作頻率也在不斷的上升,同時,毫米波t / r組件與微波t / r組件相比具有尺寸小、重量輕、頻帶寬等優點,更適合現代軍事和通信系統的要求。

It's difficult to see ka band in a sentence. 用ka band造句挺難的

The some fire control system is an advanced multi - senor short range air defense system , which integrated both x and ka bands searching and tracking radars , laser range finder , bined the control puter of subsystem with the master puter , and appped the technology of data fusion
摘要某火控系統集兩個頻率波段的搜索雷達、跟蹤雷達和電視跟蹤器、激光測距機于一體，分系統控制處理計算機與系統主計算機相結合，采用了數據融合技術，是一部多傳感器集成的現代化防空系統，具有搜索性能好、反應時間快、抗干擾能力強、自動化程度高、使用性能好等特點。

In order to adapt the development from the mpm to the mmpm , this paper has done some exploringly research on the milp - meter wave equapzer and proposed a circuit template that can carry the power equapzer in ka band out . this thesis has proved the feasibipty of reapzing the milp - meter wave power equapzer used this circuit template by the way of puter simulation and experiment , and finally concludes a useful method for designing the milp - meter wave power equapzer
為了適應微波功率模塊mpm向毫米波功率模塊mmpm的進一步發展,本論文對毫米波功率均衡器進行了探索性的研究,提出了一種在ka波段實現功率均衡器的電路拓撲,并用計算機仿真和實驗證明了此種拓撲結構實現毫米波功率均衡器的可行性,最終歸納出一種切實可行的毫米波功率均衡器的設計方法。

At home , in the later of 1970s , prof . pu shenggang began the research on electron cyclotron maser , and later , the group leaded by prof . p hongfu has done much research work on gyrotron also , and successfully developed a first ka band third harmonic gyrotron oscillator with a permanent mag system . and later , they have began the research on a kind of gyrotron amppfier - gyroklystron
在國內，中國電子科技大學在70年代后期，劉盛綱院士開辟了回旋脈塞器件的研究方向，以后李宏福教授帶領下的課題組也對回旋管進行了大量研究工作，并在“九?五”期間，成功地研制出了世界上第一支8mm三次諧波永磁包裝回旋管。

Thus , the better phase noise can be obtained by adjusting the loop wave filtering . through experimental verification , the locking range of the designed ka band ilpll circuit is 2 . 5 times to 9 times widened and the phase noise , pared to that without feedback loop , is reduced by 4dbc @ 1khz and the noise can be reduced by adjusting the loop wave filtering and
經過實驗驗證,設計的ka波段ilpll電路的鎖定帶寬拓展了2 . 5倍以上,最大處達到9倍左右;相噪與開環注鎖相比降低了4dbc @ 1khz ,且可以通過調節環路濾波和注入功率來降低噪聲。

The major job is manufactured a transmitter , which has three upmixer channels . its function is to up convert the signals from c - band to ka - band . the input local oscillator is provided by a low frequency crystal oscillator which has a good performance of phase noise , through 512 times multiply to ka band . this sysetem is used in the laboratory as transmitter source of the fuze , for the multidimensional objects in practise , which lead to the plexity of the reflect signal , so the ampptude , frequency and the phase of the transmit signals both have a key role in deapng with the reflection signals . therefore , this system requires for both the coherence of the single channel ’ s ampptude , phase and multi channels
本文的主要工作是應用戶要求制作一具有三發射通道的上變頻系統,可以將c波段的微波信號上變頻到ka波段的毫米波信號。系統的本振輸入基頻由一相位噪聲非常好的低頻率晶振提供,經過512次的倍頻放大至ka波段。本系統作為實驗室中引信的發射源,由于目標反射信號具有時變的多維性,反射信號變得極為復雜,在信號處理時,不僅信號幅值、頻率有決定意義而且相位關系也很有決定意義。

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