喇叭天線 的英文怎麼說
中文拼音 [lābātiānxiàn]
喇叭天線
英文
feed-horn-
On the assumption that a cabin and a horn antenna were under the bottom of an airplane, fdtd method was applied to analyze the antenna patterns which are generally affected by the body of the airplane
摘要假定飛機腹部加裝了某一形狀的炮艙和矩形喇叭天線,用時域有限差分法( fdtd )分析了這樣的外形對天線輻射特性的影響。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。Secondly, in this paper, the four typical uwb antennas of tem horn antenna, log - periodic antenna, biconical antenna and helical antenna are theoretically analyzed and the uwb antenna design methods are generalized and discussed
其次,本文對tem喇叭天線、對數周期天線、雙錐形天線和螺旋天線四種典型的超寬帶天線進行了理論分析,總結並討論超寬帶天線的設計方法和手段。It has the good qualities of both tem horn antenna and dipole antenna, less dimensions construction, good direction and higher efficiency. its impedance and radiation are analyzed. good agreements are obtained from experiment and calculation
這種平面喇叭天線採用了新型的平衡饋電方式,結構簡單,性能良好,同時結合了tem喇叭和振子天線的優點,結構維數低,具有較強的方向性、較高的效率,在uwbsar軌道系統實驗中取得了比較理想的結果。In this paper, the signal processing of sum and difference patterns of amplitude dual - plane monopulse radar and the effect of amplitude - plane non - consistency are analyzed from the coordinates relationship of four - horn antenna at length, and its corresponding simulation is verified, which bring convenience to engineering implementation
文中從四喇叭天線的位置坐標關系,詳細分析了雙平面振幅和差式單脈沖雷達信號處理過程以及三通道幅相不一致性的影響,並且進行了相應的模擬,為工程實現帶來了很大的便利。Four tem - horn antennas have been made. using these antennas two - element rain gutter tem - horn array, two - element stacked tem - horn array, four - element rain gutter tem - horn array and four - element stacked tem - horn array are been mades up of. the results of experiment accord with theory and numerical stimulation
最後,對tem喇叭天線陣列進行了原理性實驗研究,設計了帶地板結構的半tem喇叭天線,組成二元槽狀陣列、二元疊狀陣列、四元槽狀陣列、四元疊狀陣列等,應用小信號測試,得到的結果與理論和數值模擬相一致。Finally, a tem antenna was simulated. the coupling of two antennas and the tail of the reflected signal of the antenna are reduced. furthermore, the antenna was tested with the gpr
最後對tem加載喇叭天線進行了模擬,減小收發天線之間的耦合及信號拖尾,並在探地雷達上進行了實測。The experimental study is performed on the rtto designed with the help of simulation, and the microwave based on radial transit - time effect is obtained. the output power is measured by horn and electric probe and the frequency is measured by a wave - guide dispersion line
實驗採用喇叭天線接收和電探針惻量兩樸方法時微波功率迭行了惻量,微波頌率用波導色散線法迭行惻量。The leading product has the automobile sound coupling, theautomobile antenna plug, meets the plug - in unit, the electronicelectric appliance group of lines, f plug ( high frequency tuner ), lightly touches the switch, the loudspeaker wiring column, the powerswitch, the earphone receptacle and so on, the product widely appliesto the vehicle carries the video and music, dvb domain and so onbox, domestic electric appliances, computer, automobile, communicationequipment
主導產品有汽車音響連接器、汽車天線插座、接插件、電子電器線束、 f頭插座(高頻頭) 、輕觸開關、喇叭接線柱、電源開關、耳機插口等,產品廣泛應用於車載影音、機頂盒、家用電器、計算機、汽車、通訊設備等領域。The comparison between the results of calculation and measurement shows that the two results are in good agreement for the broad band antenna in the l band and the waveguide - coax converter of bj48 type used as antenna in the c band, with a difference of less than 0. 7db, and that the two results also agrees well in the x band for the waveguide - coax converter of bj100 type used as antenna, with an error close to 1db only at few points in the given frequency range
比對結果表明: l波段(加脊天線) 、 c波段( bj48型波導同軸轉換作為接收喇叭)的模擬結果與實測結果符合得較好,誤差小於0 . 7db ;在帶內, x波段( bj100型波導同軸轉換作為接收喇叭)的模擬結果與實測結果比較一致,只在個別頻率點處誤差近1db 。This dissertation is mainly concerned about the radiation of the tem - horn arrays which radiate uwb ( ultra wideband ) pulse, it mainly involves three parts : theory, numerical stimulation and experiment. the uwb antenna is a new research field in the world which has many differences from nb ( narrow band ) antenna. the most difference is that the uwb antenna such as tem - horn radiates nanosecond pulse which has wide frequency spectrum, but the nb antenna radiates single frequency signal
超寬帶天線是一項新興的研究領域,它與窄帶天線有很多不同之處,最根本的不同在於:超寬帶天線例如tem喇叭天線是輻射納秒級短脈沖信號,這種脈沖信號有很寬的頻譜;而窄帶天線大都是輻射單一頻率時諧信號的。Using the simulation program, far zone radiation of tem - horn array is analyzed. the result of analysis proved that the mutual coupling between elements of array did not affect the main radiation wave of very much
應用這一模擬程序,分析了tem喇叭天線陣列軸上遠場輻射,分析表明陣元間互耦對陣列軸上遠場主輻射波形影響不大。There are only a few types of antennas that are widely used in gpr systems, such as resistively loaded bow - ties, tem horns and their modification
只有幾種類型的寬帶天線能夠用於探地雷達系統中,如電阻加載的蝶形天線、 tem喇叭天線及其變形形式。Often, mode conversion techniques are used to change the undesirable mode to one that results in a radiation pattern with a boresight peak such as circular te1 1 or rectangular te 01 mode
因此研究軸對稱模式的天線輻射技術具有重要意義。輻射天線的工程設計方案通常有三種:模式轉換器+普通喇叭、 vlasov天線和cobra ( coaxialbeam - roatatingantenna )天線。The problem of variant parameterized capp and its integration was advanced and studied in this thesis, which took it for example to studied the antennal components in the 39th institute including the ripple trumpets, the wave - distributed wares, the boxes
本課題以信息產業部電子第39研究所的天線關鍵零件,主要以波紋喇叭類、分波器類、箱體類等三大類零件為研究對象,開發與研究天線關鍵零件的參數化修訂式capp系統及其集成問題。Firstly, we review the history of uwb antenna, and introduce the background of uwb antenna array research
本文首先回顧了超寬帶天線的發展歷程,介紹了超寬帶tem喇叭天線陣列的研究背景。分享友人