載波導線 的英文怎麼說

中文拼音 [zǎidǎoxiàn]
載波導線 英文
carrier wire
  • : 載Ⅰ名詞(年) year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : 動詞1. (引導) lead; guide 2. (傳導) transmit; conduct 3. (開導) instruct; teach; give guidance to
  • : 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...
  • 載波 : signal carrier; carrier wave; carrier: 3路載波 three channel carrier載波傳輸 carrier transmission...
  1. Elliptical waveguides have found wide applications in a variety of microwave components : waveguide filters, radiators, resonators, and wide - band transmission lines, etc. periodic - loaded waveguides play very important roles in high - power microwave tubes, corrugated antennas and linear accelerators

    在各種微器件如濾器、輻射器、諧振器和寬帶傳輸中橢圓有著廣泛的應用。周期加在高功率微管、紋喇叭和性加速器等中起著重要作用。
  2. Moment method is used for the analysis of interference among the vehicular multiple antennae in this paper. the multiple antennae system is equivalent to a microwave network, then the admittance matrix of the network can be obtained. using the admittance matrix, we can analyze the characteristic of coupling between two antennae and the near field of the antennae by the mom

    本文採用矩量法對車多天間的相互干擾特性進行了分析,將多天系統等效為微網路,然後採用矩量法求該網路的納矩陣y ,利用該納矩陣對天間互耦特性進行分析,同時計算天的近場分佈。
  3. Its main contributions include the following several aspects : firstly, the dissertation constructs the mathematic model of short baseline orientation determination using two geostationary satellites and analyses the applicable conditions of carrier phase interferometry. orientation determination precision is analysed in depth through both the conventional linearized method and monte - carlo computer simulation method, and the mathematical simulation results show that the linearized method has the shortcoming of fairly low elevation error analysis precision in high latitude area so as not to be very appropriate there. by analyzing the definite factors influencing orientation precision, the dissertation develops the concept of orientation dilution of precision, which uncovers the internal cause of exotic error behavior of bi - satellite orientation, and has important guiding significance for practical engineering applications

    本文系統地研究了基於「北斗一號」衛星相位干涉測量原理實現地球靜止雙星定向的相關技術,主要研究成果包括以下幾方面:首先,建立了利用兩顆地球靜止軌道衛星進行短基定向的數學模型,分析了相位干涉測量的適用條件;採用傳統的性化解析法及蒙特卡洛隨機模擬法兩種途徑對雙星定向的精度進行了詳細分析,數學模擬結果表明在高緯度地區性化解析法由於俯仰角誤差分析精度略有下降而不太適合;在分析定向精度確定性影響因素的基礎上,提出了雙星定向精度衰減因子odop的概念,揭示了雙星定向誤差特殊表現的內部機理,對實際工程應用具有重要的指意義。
  4. This paper focuses on the research of the stress mechanism of the ribbed shell structure in statics, dynamics and under the explosive load on the basis of the engineering practice of cave depot of single aircraft. in this paper, according to the classical shell theories, the basic differential equilibrium of the ribbed shell structure and the finite element analysis of 3d rippled plate are established, in which the function of annular ribs reinforcement bars and 3d ripped steel plates are distributed in the range of the steel, and the functions along the longitude direction of tension, bending, and torsion are neglected ; applied with dynamic analytical theory, the dynamic model of ribbed shell structure and the analytical theory model of elastic - plastic are set up ; the triangle series method is used to solve the displacement and stress under the distributed load and the concentrated load of the ribbed shell structure

    本文以軍用機場地面單機掩蔽庫工程建設為工程背景,首次對內襯三維紋鋼板混凝土拱型復合結構的受力機理進行了靜力、動力和爆炸荷的分析研究。根據將橫肋、鋼筋及三維紋鋼板的作用均勻分佈在殼體范圍內的情況,忽略橫肋、鋼筋及三維紋鋼板沿殼體母方向的抗拉、抗彎及其抗扭作用,首次推出了內襯三維紋鋼板混凝土殼體的微分平衡方程,建立了有限元計算模型,並採用三角函數法,求解了三維紋鋼板混凝土拱型復合結構在分佈荷和集中荷作用下的位移響應和應力響應,並與普通殼體進行了比較。
  5. 4. the " hot " dispersion equation of the coaxial ridge - disk - loaded cylindrical waveguide twt with an annular electron beam can be firstly obtained according to self - consistent field theory

    四、引入薄環形電子注,首次建立了脊加同軸膜片圓的注互作用性理論,得到小信號條件下的色散方程。
  6. By the simulation, it is indicated that the curve motion model based on the particle can describe the curve motion of the target. and it is shown that the performance of the ukf algorithm is more precise than the tradition nonlinear filtering technique. by the contrast between the simulation results and the positioning result of commercial data process software,

    模擬結果表明,基於質點的曲運動模型可較準確地描述進行曲運動的體; ukf演算法作為衛星航系統的非性濾技術,較之傳統的性濾技術可獲得較高的定位精度;其定位結果與商業數據處理軟體相比,可滿足定位精度要求,該演算法可以直接應用於衛星航系統的軟體實現。
  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,並對傳輸能量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帶寬度的變化規律,並通過計算機模擬和試驗對天的近場瓣圖進行了研究;通過分析寬帶匹配技術中的實頻法理論,設計了信號的寬帶匹配網路。
  8. Distribution automation using distrbution line carrier systems part 1 : general considerations section 2 : guide for specification

    採用配電的配電自動化第1部分:總則第2篇:制訂規范的
  9. It is necessary in digital communication system that carrier recovery can compensate frequency offset and phase jitter brought by transmission and modulation. this paper is mainly focused on carrier recovery technique. we introduce the channel model at cable headed and receiving site. firstly, we introduce the principle of carrier recovery and give some algorithms of them, which are directed - decision, reduced constellation and frequency sweeping

    本論文緊緊圍繞著數字通信系統中的恢復技術,在介紹了有通信系統所用的調制解調通道模型后,首先闡述了恢復技術的思想和基本原理,在此基礎上給出了三種恢復演算法,即判決向演算法、簡化星座判決演算法和掃頻演算法,並且給出了其各自的模擬圖:然後深入研究了一種適合高階qam並且能糾正較大頻偏的恢復技術:極性判決演算法。
  10. It shows that the coaxial disk cylindrical waveguide with longitudinal ribs, which is one of large diameter, all - metal structure and allows for high average power capability, can improve the propagating wave ' s characteristics and gain a relative broad bandwidth by means of modifying the geometrical dimensions of the circuits

    結果表明:脊加盤荷是一種尺寸大,功率容量大的全金屬結構,在加脊后可以改善特性,提高帶寬。二、對脊加盤荷互作用的性理論進行了研究。
  11. The thin pulses of radio carrier wave cause currents to flow through the nervous system - the result is a remote transmission ; no wires or contact is needed

    這個細微的脈沖致電流流到神經系統-結果是一個遠程的傳播,無或聯系是需要的。
  12. 2 the electromagnetic compatibility ( emc ) of the new radio induction system is analyzed, this paper studies the affections for the new radio induction system excited by the conductive interference and radiated interference, this paper also studies the affection to the out - space environment excited by the new radio induction system. 3 this paper studies the applications in analog carrier communication for the new radio induction system from the mod - d

    2研究了新型無感應系統的電磁兼容性,分析了傳干擾對新型無感應系統的影響,分析了輻射干擾對新型無感應系統的影響;分析了新西南交通大學博士研究生學位論文第11頁? ? 3主要從調幅( am 、 dsb 、 ssb ) 、窄帶調相( nbpm ) 、窄帶調頻( nbfm )等調制解調中研究了新型無感應系統在模擬通信中的應用並進行了模擬,研究了上述調制解調相應的解調增益。
  13. On one hand, the internal forces and displacement formulas of csbcs were deduced by using the matlab program, on the other hand, taking out of one wavelength of csbcs and soil from the actual project as the analysis object, simulation numeric calculation was carried out by using big - style fem ( finite element member ) software, ansys

    一方面,用matlab編程,推紋鋼板橋涵的內力和位移公式,另一方面,取一個紋長度的紋鋼板橋涵和土作為分析對象,用大型有限元軟體ansys對湖北洪沙豐收渠橋涵工程的靜試驗進行了模擬數值計算。
  14. 2 for the first time, the author brings forward the concept of " pyramid horn high order mode resonator " and pml - fdtd technique is used to analyze the electromagnetic field distribution in the pyramid horn. the results show that the pyramid horn sensor is much more sensitive than the open ended waveguide or transmission line sensors. the sensor we used is a kind of resonance sensor

    二、首次提出了「角錐喇叭高次模諧振腔」的概念,並且採用pml ? fdtd法分析了角錐喇叭場分佈狀態,從而,得出了角錐喇叭探頭比終端開口或傳輸探頭靈敏得多的原因在於:我們採用的探頭是諧振式探頭,消聲瓦樣品的差別相當于對角錐諧振腔的微擾;採用或同軸探頭,消聲瓦樣品的差別相當于對傳輸終端負有一點變化而已。
  15. Ningbo sanow electronic co., ltd is a chinese and foreign joint venture, which is located at a beautiful seashore city - ningbo luotuo mechatrionic products zone zhenhai district, sanow is a specialized car a v equipments manufacuter which composes of research and equipment we research and develop products independently

    中外合資寧紳樂電子公司成立於2002年7月,是一家專業從事研發製造及銷售車液晶顯示器,車dvd , gps航裝置,汽車天,視頻配件等汽車影音產品的科工貿一體化的高新技術企業。
  16. It is deduced theoretically that non - linear load, rather than linear load, generates harmonics, which translates part of fundamental reactive power absorbed from power system into harmonic reactive power injected into the power system. the rationality of electric power measurement for linear and non - linear load is studied, and as a result some rational advices are addressed here

    從理論上推性負不產生諧,非性負將吸收的部分基功率轉化為諧功率注入系統,並對電能計量準確性和合理性做了一些探討,最後提了一些無功的收費意見。
  17. This paper gives an overview on the development of wireless communication and the orthogonal frequency division multiplexing ( ofdm ) technique. basic characters of wireless channel, transmission principles and signal frame structure design of ofdm are introduced. main non synchronization factors between ofdm transceivers are pointed out

    本文介紹了無通信與多正交頻分復用( ofdm )技術的發展概況,闡述了無通道的基本特性、 ofdm的調制解調原理與信號幀結構的設計,指出了致ofdm收發信機間不同步的主要因素。
  18. The list betterments aimed at the properties of system : through the testing of dc voltage, pulse width and inverting voltage and frequency can be regulated online to fit for different steady load ; reducing speed ripples by compensating with nonzero voltage working proportional time ; adopting the technology of harmonics suppression. as a result, the high precision and wide speed control is realized and the step out is overcome

    針對系統的性能指標,做了如下改進:對直流側電壓的檢測,在調整逆變器通脈寬、輸出電壓和頻率,可以適應不同大小的恆負;並用非零電壓矢量作用時間進行補償的方法,減小電機的低速脈動;加入了諧抑制技術等。
  19. ( 2 ) the distributed bst capacitor - loaded phase shifter was designed, of which the high impedance transmission line is finite ground coplanar wave - guide ( fgcpw )

    ( 2 )採用分散式電容負型結構設計出毫米薄膜介質移相器,其中的高阻傳輸為有限寬度地共面
  20. Firstly, in wireless environment, receiver has no know the time delay between transmitter and itself. in ofdm system, ofdm data is transmitted as one symbol, so in order for correct demodulation, the correct start of symbol should be got from ofdm system to reduce the effect of isi. secondly, the high frequency utilization in ofdm is based on the orthogonal properties of sub carriers. if frequency offset is generated, the orthogonal properties among sub carriers will lost, that will cause inter carrier interference ( ici ) and high ber of system

    Ofdm技術也存在著一些缺陷,首先,在無環境中傳輸的ofdm信號對定時要求高,為了減少碼間串擾( isi )影響,必須從接收信號中提取出正確的符號起始位;其次, ofdm系統對頻率偏移敏感, ofdm技術的高頻譜利用率和傳輸可靠性均以子的正交性為基礎,如果接收機和發射機之間發生頻率偏移,子之間就會失去正交性,致嚴重的子間干擾( ici ) ,降低系統性能。
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