transmission-line theory 中文意思是什麼

transmission-line theory 解釋
傳輸線理論
  • transmission : n 遞送;傳遞;傳達;傳染;移轉;【機械工程】傳動;傳遞;變速器;聯動機件;【無線電】傳送;發射;...
  • line : n 1 線;繩索;釣絲;測深度用繩,捲尺。 a fishing line 釣魚線。 be clever with rod and line 會釣魚...
  • theory : n. 1. 理論,學理,原理。2. 學說,論說 (opp. hypothesis)。3. 推測,揣度。4. 〈口語〉見解,意見。
  1. Then, using the opening transmission line model, the deduction of the tem - horn antenna far - field radiation formula is introduced. comparing with the traditional nb antenna array, the brief theory of uwb antenna is analyzed

    然後介紹了應用開路傳輸線理論模型對tem喇叭天線軸上遠場輻射的推導過程,並對比傳統窄帶天線陣列,分析了超寬帶天線陣列的一般工作原理。
  2. For high stability of the system, with the realization of hardware of the system, the second part of this paper starts from the transmission line theory, and studies the signal integrity problem of high - speed circuit system in light current. the causes of these signal integrity problems, such as signal delay, reflection, crosstalk, ground bounce noises and etc. are analyzed in theory. combined with actual design, key points of design and standard design flow of general high - speed, high - precision printed circuit board are summarized, which has been applied in actual system, and good effect has been achieved

    為使系統具有較高的穩定性,本文第二部分結合該處理器的硬體實現,從傳輸線理論出發,研究了弱電情況下高速電路印刷電路板中的信號完整性問題;從理論上分析了延遲、反射、串擾以及地彈噪聲等信號完整性問題產生的原因;結合實際設計,總結了一般高速、高精度印刷電路板的設計要點和標準設計流程,並在實際系統中獲得了應用,取得了很好的效果。
  3. The main job of this research is : ( 1 ) analyze the operation situation of power system during faults ; pay attention to the traveling wave on the three - phase transmission line ; study the equation of voltage on three - phase transmission line with impedance capacitance coupling between phases ; contact the voltage on any point with the fault voltage, study the singularity of the voltage signal in fault point, and make it to be the base of the new fault detection method ; ( 2 ) apply the singularity detection theory based on wavelet analysis to the power system faults detection, give a complementary criterion to current fault detection criterion, study how to select the basic wavelet, how to filter noise, how to detect the singular point or fault point, and finally give a total solution. the simulations prove it to be a quick, correct and effective fault detection method

    本文的主要工作有: ( 1 )分析電力系統在發生故障時的運行狀態,尤其對三相傳輸線上的故障行波進行了分析和研究,推導了考慮相間耦合的三相傳輸線電壓方程,並將傳輸線上任一點的電壓與故障點電壓建立起聯系,得出了傳輸線上電壓信號在故障點處的奇異性,並以此作為構造新的故障檢測演算法的理論基礎; ( 2 )將基於小波變換的信號奇異性檢測理論運用於電力系統故障檢測中,針對目前相關研究的不足,提出了電力系統故障檢測判據的補充判據,通過對基本小波的選擇、除噪措施、信號奇異點也即故障點的檢測方法所作的分析,給出了一個可行的解決方案;模擬研究表明:這是一個快速、準確、有效的故障檢測演算法。
  4. In order to avoid the ehv system disaster caused by reclosing on the permanent fault of transmission line, adaptive autoreclosure based on microprocessor - based protection arises at the historic moment, but is still in the stage of theory study

    為了避免超高壓輸電線路採用自動重合閘時重合於永久性故障所造成系統穩定破壞等重大系統災難,在微機保護的基礎上,自適應重合閘應運而生,但尚處于理論探索階段。
  5. The practical experiments of the designed intelligent two - wire valve present a good preferment. we model the power - line channel in chapter 4 as the experimental result shows that the power - line channel condition has civilizing influence upon the valve ' s communication performance. here, we establish power - line resistance model base on theory of transmission line

    在實驗中我們發現電力線通道特性的變化對智能二線閥系統的性能有著比較明顯的影響,從研究的系統性出發,同時,也是作為從物理實踐到理論研究的一個重要步驟,我們在第四章中對電力線通道建模和電力線載波通訊進行了模擬研究。
  6. On the basis of extensive reading and research of theory of the wavelet, it is presented a practical method based on odd theory of wavelet analysis to remove the white noises from transient fault current traveling waves of high voltage transmission line via multi - size analysis of wavelet

    本文在廣泛閱讀和深入研究小波理論的基礎上,論文提出了一種基於小波分析的奇異性理論對通過小波多尺度變換的高壓輸電線路故障電流暫態行波信號進行白噪聲濾除的實用方法。
  7. The transmission line equation is the basic equation of the transmission line theory and is an important equation from lumped parameter circuit to distributed parameter circuit in the circuit theory

    傳輸線方程是傳輸線理論的基本方程,是電路理論中由集中參數電路過渡到分佈參數電路的一個重要方程式。
  8. The paper is concentrated on the new content - the transmission line theory that the field theory has still not involved. the paper gives a strict prove to the transmission line theory including mutual inductance and approves that the two integral forms of independent equations is not only applicable for lumped parameter circuits, but also for distributed parameter circuits

    本論文在已有基礎上研究場論說尚未涉及的新內容? ?傳輸線理論,對包含互感的傳輸線理論作嚴格證明,並證實積分形式的兩組獨立方程組不僅適用於集中參數電路,而且也適用於分佈參數電路。
  9. Numerical calculation of voltage distribution on pulse transformer ' s conical windings based on multi - conductor transmission line theory

    基於多導體傳輸線理論的脈沖變壓器錐形繞組電壓分佈數值分析
  10. In this dissertation, a key point of the study is to build up a mathematical model of the character impedance the swr sensor. the structure of four equal - length probes can be viewed as a special form of coaxial hansnussion line. combining the character impedance of coaxial and the para1lel transmission line, the character impedance model of probe with eqtlaling length was built up by utilizing mathemaical theory of approach

    本文將四針等長式結構的土壤水分探頭看成是同軸傳輸線的特殊形式,從標準傳輸線特徵阻抗入手,結合平行傳輸線,運用數學上常用的夾逼定理,得出了四針等長結構的土壤水分探頭特徵阻抗數學模型,由此提出swr型土壤水分四針不等長探頭的特徵阻抗數學模型。
  11. Moreover, the matching circuit of electrically small antennas using transmission line is studied in this dissertation. a model is presented. and some theory analyses and the measure result are given

    另外,論文中對電小天線的傳輸線匹配模型進行了初步的探討,給出了一種傳輸線匹配電路的形式,以及理論的分析和實驗結果。
  12. In this paper, the crosstalk and radiation of multiple - core cable is analyzed according as the multiconductor transmission line, two ports network and antenna theory. firstly the fundamental theories are presented

    本文主要依據多導體傳輸線理論、二埠網路理論和天線理論對多芯電纜的耦合泄漏和輻射發射進行了較為詳細的分析討論。
  13. Approach of fault location and fault phase selection in uhv power transmission line based on the wavelet theory

    基於小波理論的超高壓輸電線路故障定位與選相方法
  14. Therefore, in order to protect large generating equipment against the switching overvoltage, the research on safety forecast theory and real - time monitoring technique for the surge overvoltage of large power stations has not only importance and benefit to safety operation of generators, but also has the great importance for the engineering of transferring electricity from the west to the east in china and the safety operation of large electric power network with great capacity and long - distance transmission line

    因此,針對廠站操作過電壓對大型發電設備的沖擊問題,重點開展廠站操作過電壓的安全預測理論與實時監測技術的研究,不僅直接對大機組安全運行有著重要的現實意義,而且對目前我國西電東送工程的實現和確保大容量遠距離輸電電網的安全穩定運行都具有十分重要的意義。
  15. The operation characteristic of the new relay is analyzed in theory and verified by the simulation tests. the new relay operates with clear selectivity and high operation speed and can satisfy the demand of the protection for the ehv transmission line. the performance of the fault component impedance relay has been improved and the misoperaion of the healthy phase under cross - country fault and close - in fault have been avoided

    理論分析及模擬計算表明,基於自適應補償的突變量距離繼電器有很好的選擇性和速動性,完全能夠滿足高壓線路保護的需要,顯著提高了突變量距離的性能,解決了其在大電源出口單相故障以及正反向復故障可能會誤跳三相的缺點。
  16. Based on the design theory of power amplifier, a wide - band power amplifier was designed successfully by the push - pull transistor, the feedforward technical of linearization, the matching circuits of transmission line transformers and microstrip, and ads simulation software

    根據寬帶功率放大器的設計原理,採用推挽結構晶體管,前饋線性化技術,傳輸線變壓器和微帶混和匹配電路,利用ads進行模擬設計,成功的設計出一款寬帶功率放大器。
  17. First, we introduce the basic theory, which is useful to density measurement, namely, transmission - line theory, its content consist of transmission - line equivalent circuit 、 smith chart 、 impedance matching and microwave network technology. the on - line density measurement technology with microwave has been narrated as a key part

    首先,分析了微波密度在線測量技術的理論基礎- -傳輸線理論,其內容包括將用於諧振腔設計的傳輸線等效電路、施密斯圓圖以及阻抗匹配和微波網路等多方面的技術。
  18. Research on power transmission line based on wavelet theory and traveling wave theory

    小波理論與行波理論在供電線路上的應用
  19. According to the geometrical characteristics of the transmission line and the theory of perspective projection, a stereo vision method based on single camera is presented to detect the orientation and position vector of the power transmission line

    結合輸電線的幾何特徵和攝像機成像原理,提出了一種基於單攝像機的立體視覺方法來確定輸電線的位置和姿態。
  20. The result of theory and computer simulation confirm the feasibility of the proposed algorithm for series compensated transmission line protection

    通過理論和模擬分析研究表明,該演算法是可行的,適用於串補線路保護。
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