匹配輸線 的英文怎麼說

中文拼音 [pèishūxiàn]
匹配輸線 英文
matched transmission line
  • : Ⅰ動詞(比得上; 相當; 相配) be equal to; be a match for Ⅱ形容詞(單獨) lone Ⅲ量詞1. (用於馬、騾等) 2. (用於整卷的綢或布)
  • : Ⅰ動詞1 (兩性結合) join in marriage 2 (使動物交配) mate (animals) 3 (按適當的標準或比例加以...
  • : Ⅰ動詞1 (運輸; 運送) transport; convey 2 [書面語] (捐獻) contribute money; donate 3 (失敗) l...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 匹配 : 1. [書面語] (婚姻配合) mate; marry 2. [電學] matching
  1. In this paper, the concept of acceleration ambiguity function ( aaf ) and acceleration resolution is put forward for the first time. using aaf, the effects of target ' s relative acceleration on several outputs of a linear - phase matched filter are analyzed, such as the output signal - noise - ratio loss, the doppler resolution, the constraint on optimal accumulative time ( opt ) and their tolerable limits

    論文首次提出並研究了加速度模糊函數和加速度分辨力的有關概念,並以加速度模糊函數為分析工具,詳細討論了加速度對性相位濾波器的出信噪比的損失程度、對多卜勒頻率分辨能力的影響程度、對最優相參積累時間的約束關系以及性相位濾波器出受加速度影響的容限等問題。
  2. The specific research methods are listed : 1. matched filter taking the max ouput snr as the best rule correlates nonstop divided signal and divided echo to detect low snr target signal. then all one dimension divided correlation outs and done fft in portrait to leach interferential signal such as static or low rate mussy meaves, many pathway echo and so on and to take target ' s time difference and doppler frequency that combine parameters that target ' s direction taken from antenna and so on to implement target ' s orientation and tracking

    具體研究方法如下: 1 、採用以出信噪比最大為準則的最佳濾波器來對分段的參考和目標信號作相關處理來檢測低信噪比目標信號,然後對一維分段相關出組作縱向傅立葉變換來濾除靜態或低速的雜波、多徑回波等干擾信號,並提取目標的時差和多普勒頻率,再結合由天獲得的目標方向等參數,就可以實現目標的定位和跟蹤。
  3. The trained neural network model can be used to solve a variety of problems emerged in rf / microwave circuit design, such as in microwave circuit cad, the established model structure can be used to characterize the nonlinear behavior of microwave circuits

    如用於微波電路cad ,可用所建立的模型結構來描述這么一類微波電路的非性行為特徵;如用於微波電路設計,則可進行如共面波導、晶體管、傳、濾波器和放大器等的設計;如用於微波電路優化,則可用所建立的電路模型優化電路參數,進行阻抗等。
  4. Abstract : a new waveguide which can change the wide wall of a rectangular waveguide into a symmetric arc wall is named as a cam - rectangular waveguide. comparing to sectoral waveguide, the new waveguide has the same voltage characteristics and is easier to be produced and fixed. an approximate formula of the dominant mode fields and the normalized conductance of a longitudinal resonant slot cut in the curved wall of a cam - rectangular waveguide are given. a resonant slot linear array in c & x band is designed, in which the slot voltage distribution is equiphase and the input is matched. the input voltage stationary ware ratio and the h - plane pattern of the antenna are measured. the experimental results show the conformance with theoretical results

    文摘:把常用的矩形波導一個寬面改成圓弧形構成的波導稱為圓突-矩形波導.這種波導與扇面波導相比:電性能相當;波導管結構更加簡單,容易加工,便於安裝.文中給出圓突-矩形波導中主模場,圓曲面上縱向槽歸一化諧振電導近似公式.設計了c和x波段波導曲面縱向諧振縫隙陣,縫隙電壓相位為同相分佈,入端.實際測量了天入端電壓駐波比和h面方向圖,理論與實驗相吻合
  5. Input impedance and impedance matching of a dual - cylindrical antenna array

    雙圓柱體結構天陣列入阻抗計算和阻抗
  6. Spectrum analyzers or rf - receivers. the power can be supplied either from batteries, ni - cads or through a power cord directly connected to an hm5010 5011 5012 5014 series spectrum analyzer

    入阻抗器的,探頭所用電源可以由乾電池,或鎳鎘電池提供,也可以通過電源
  7. The spot responder system which is the necessary part of ctcs is analyzed in the dissertation and three key technologies of the channel in the responder system are researched. firstly, a new kind of rectangular plate magnetic inductive loop antenna is designed to transmit the power frequency. researching the near field inter - inductive characters, the relationship among the inductive efficiency, the perimeter and the conductor width of the antenna is found out

    本文在對ctcs中的點式應答器系統原理及組成進行分析和消化的基礎上,對系統中通道的幾個關鍵技術進行了詳盡的研究,主要分為三個方面: 1 ,提出並研製了新型的片式環形磁感應天,並對傳能量載波的天的近場互感特性進行了分析,得到互感效率隨天的周長大小以及導帶寬度的變化規律,並通過計算機模擬和試驗對天的近場波瓣圖進行了研究;通過分析寬帶技術中的實頻法理論,設計了信號載波天的寬帶網路。
  8. Output of high purity violet blue light matches the peaks optical absorption of acne aminolevulinic acid, metabolites inside the porphyrin, propionibacterium acnes metabolites inside the porphyrin stimulated by the withdrawal - induced chemical processes produce large singlet oxygen activity and generate a high oxidative environment to propionibacterium acnes, which accordingly leads to the death of bacteria on the skin acne cleared

    出高純度的紫藍光,與痤瘡丙酸桿菌代謝物內卟啉的光吸收峰值,痤瘡丙酸桿菌的代謝物內卟啉受到激發后的化學退激過程產生大量單態活性氧,可對痤瘡丙酸桿菌產生一種高氧化環境,從而導致細菌死亡進而將皮膚上的痤瘡清除。
  9. Abstract : in this paper, neural networks is used to optimize the lines of transport ships w hich conforms to two parts graph maximum weight matching. the simulating result c onforms to reality, which shows that the method can provide quantitative basis fo r the shipping companys, and that it is also feasible for solving other transport optimum managing problems

    文摘:運用神經網路優化演算法,對一種符合二部圖最大權的船舶運路進行了優化計算,模擬計算表明其結果是正確的,為船務公司的生產決策提供了定量依據.此演算法表明,基於神經網路的優化方法對于航運管理優化問題是可行的
  10. ( 3 ). the flattening arithmetic of an edfa was presented based on the inter - correlative function between the gain spectrum function of the edfa and that of the reserve transmission spectrum of the lpfg. for optimal matching between the two spectra, the flattening arithmetic calculates the variation of the resonant amplitude and wavelength of the lpfg

    Iii .提出了一種動態增益均衡的平坦演算法,這種演算法的本質就是利用摻鉺光纖放大器增益譜函數和新型長周期光纖光柵的透射譜反轉譜函數的相關性,給出新型長周期光纖光柵諧振峰幅度和位置的調節量,使改變后的新型長周期光纖光柵的反轉譜能和edfa的增益出譜進行最佳
  11. Based on these foundations, we give a perfect scheme of the bbo opos : single pass amplification coefficient of the opg under different pump intensity is calculated ; collinear type - i and type - ii phase matching tuning curve pumped by the q switch nd : yag various harmonics as well as noncollinear type - i tuning curve are calculated in details ; the effect of the walkoff for the nonlinear effect coefficient and the group velocity matching are analyzed ; the acceptance angle in parametric process is calculated ; the numerical threshold of the bbo opo is calculated ; the process of the saturation and depletion of the pump beam are analyzed ; the relationship of the conversion efficiency and reflectance of output mirror are discussed ; various linewidth controlling methods are discussed ; the improvement of the beam quality applying the unstable cavity is discussed ; and the crystal bbo design is considered

    在此基礎上,給出了一整套bbo - opo激光參數設計方案:計算了不同泵浦強度下的參量放大倍數;詳細計算了在nd : yag調q激光器各次諧波泵浦條件下的共類和類相位的調諧曲,以及非共類相位調諧曲;分析了走離角對非性系數和群速的影響;計算了參量過程的允許角;計算了bbo - opo的理論閾值條件;分析了飽和與泵浦光束的消耗過程;給出了轉換效率與超過泵浦閾值的倍數的關系;討論了轉換效率與出鏡反射率的關系;討論了寬控制的各種方法;研究了利用非穩腔改善光束質量的方法;考慮了bbo晶體的設計。
  12. A multiuser detection method based on adaptive wavelet network is proposed. this method can effectively eliminate mai and white noise. a novel space - time matched filter combined with adaptive wavelet network in asynchronous multipath cdma channels is proposed

    提出了基於自適應子波網路與空時濾波方法,這種方法使用子波網路對陣列天波束形成之後的出進行后續處理,是一種單用戶的檢測方法。
  13. By using this matching software, input / output characteristic and drawbar performance are obtained for engine and hydraulic converter working together so that the matching rationality between engine and hydraulic converter can be judged, which is significant in type selection of hydraulic converter

    通地應用軟體,得到發動機和液力變矩器共同工作入特性、共同工作出特性和牽引特性曲,從而判斷二者是否合理,對液力變矩器的選型具有重要的意義。
  14. Good magnet - sheilding quality for multi - plugs it could be easily design multi out - put transformers. acording to different ferric oxide features, ranged from audio frequency to high freqency it could be designed appropriate transformers

    磁屏蔽效果特別好,圈架備有多路插頭,能很容易地設計出多路出的變壓器,根據豐富的鐵氧體材料的不同性能,可以從音頻到高頻范圍內,設計出能夠的各種變壓器。
  15. A set of icp etching system has been designed and manufactured through the analysis of the probe diagnosed results. during the study of the system, the emphasis is laid on the matching problem of icp coupled antenna via the rf matching device and rf power source

    通過對探針診斷結果的分析,設計並製作一套icp刻蝕系統,重點研究icp耦合天通過射頻器與射頻功率源的問題,得到很好的效果,在射頻出功率為500w以內時,反射功率小於10w 。
  16. Using time - dependent mode matched scattering matrix method and based on the theory of the interaction between atom and electromagnetic field, we predict the effect that the longitudinal transport of electron is partly blocked by the lateral emitting electromagnetic wave and give detail analysis of the mechanism and the feature of the effect

    第三章我們以光和原子相互作用理論為基礎,用含時模式散射矩陣方法研究了直量子在太赫茲電磁場部分輻照下的電子運性質,並得出橫向電磁輻射對電子縱向運動的阻塞效應。
  17. In mfi, the thesis uses the bottom reflection phase shift as the cost function and the modal wave number as input data. also, it makes errors analysis by the statistical distribution between data errors and parameter errors. there are some new ideas in it

    論文在使用場反演方法反演海底參數中以海底反射相移曲作為代價函數,模式波數作為入數據,同時利用統計分佈進行誤差分析,具有一定的新意。
  18. In the part of the experimental designs, a experimental configuration of an unstable cavity by use of two bbo crystals compensating the walkoff effect and pumped by reflection is presented, and two set of controlling systems designs of open and closed loop are also presented ; we realized closed loop controlling system of bbo optical parametric oscillator tuning system, by using american general scanning inc. ' s controller to control bbo crystal ' s rotation, and scaled the output wavelength with charge coupled device

    在實驗設計上給出了利用兩塊bbo晶體補償走離效應返回式泵浦非穩腔的實驗設計,設計了開環和閉環兩套控制系統。通過使用美國通用掃描公司的掃描頭控制bbo晶體的轉動,用ccd對bbo - opo出波長進行標定,實現了bbo - opo調諧系統的閉環控制,相對波長調諧誤差小於0 . 04 ,並給出了354 . 7nm泵浦的類相位bbo - opo出波長隨晶體轉角變化的理論和實驗曲
  19. Because ip telephone systems employ the packet switching technology, the echo signals generated by the hybrid due to the impedance mismatch usually experience longer transmitting delay, which significantly decrease the speech communication quality

    對于ip電話系統而言,由於採用了分組交換技術,由2 / 4轉換器阻抗不而產生的回波在系統中傳的時延較長,這將加重回波對語音通信的影響。
  20. Nios ii soft core fulfills endpoint detection, feature extraction, discipline, recognition, input control and output display, etc. the audio signal feature, in this scheme, is the lpc mel cepstrum coefficient ( lpcmcc ) and recognition algorithm is dynamic time warping ( dtw )

    由fpga硬體完成對音頻數據的預加重和加窗分幀處理等,由niosii軟核執行端點檢測、特徵提取、訓練建模、識別入控制和出顯示等。系統提取的音頻信號特徵為性預測美爾倒譜系數( lpcmcc ) ,採用動態時間規整( dtw )的識別演算法。
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