您要查找的是不是:
- THE DOUBLE-CROSSOVER GENETIC ALGORITHM AND ITS APPLICATION IN RADIATION PATTERN SYNTHESIS OF APERIODIC ANTENNA ARRAYS 雙交換遺傳算法及其在非周期天線(xiàn)陣方向圖綜合中的應用
- Keywords Synthetic Aperture Radar (SAR);Antenna Technology;Microstrip Antenna;Radiation Pattern Synthesis;Ambiguity-to-Signal Ratio (ASR);Multi-objective Evolutionary Algorithm (MOEA);Wide Swath; 合成孔徑雷達;天線(xiàn)技術(shù);微帶天線(xiàn);輻射方向圖綜合;模糊比;多目標進(jìn)化算法;寬測繪帶;
- The frequency response of radiation pattern of a linear dipole antenna by Hertz dipoles field summation approximation. 分析赫芝偶極電磁場(chǎng)合成法計算偶極天線(xiàn)之輻射場(chǎng)型隨頻率之變化。
- Planar Radiation Pattern Comparison only for Consistent Source Current Direction, Field Polarization, and Field Plane. 作平面場(chǎng)型比較之電流源方向、電磁場(chǎng)極向、及場(chǎng)平面均必須一致。
- This paper presents a new pattern synthesis algorithm for arbitrary arrays based on adaptive array theory. 基于自適應天線(xiàn)陣理論 ,給出了一種用于任意線(xiàn)陣天線(xiàn)的主波束賦形算法。
- Cosecant Beam Generation Program for computing Phase distribution function and Radiation pattern. (譯):余割波束生成程序的計算相分布函數和輻射模式。
- A 3D pattern synthesis method for cylindrical conformal arrays based on adaptive array theory is presented. 最后基于自適應天線(xiàn)陣理論,研究共形陣的賦形算法,并給出一種用于共形陣列天線(xiàn)三維方向圖的波束賦形算法。
- Rotating Radiation pattern from a Linear Array complete source code, has been tested. (譯):旋轉輻射模式從線(xiàn)性陣列完整的源代碼,已經(jīng)過(guò)測試。
- The work includes several types of antenna measurements like efficiency, radiation pattern, VSWR and SAR. 負責一些天線(xiàn)指標的測試。例如,天線(xiàn)效率,輻射,VSWR,SAR等。
- An adaptive algorithm is applied to pattern synthesis of linear arrays with mutual coupling, which is of great practical significance. 應用一種自適應算法進(jìn)行天線(xiàn)陣方向圖綜合,把陣元間的互耦考慮在內,具有很強的實(shí)際意義。
- It incorporates the spherical nature of the radar's radiation pattern and so the image would not distort even at near field. 這種方法考慮到了波前的球面特性,所以即使在近場(chǎng)條件下,也不會(huì )像傳統方法那樣由于采用了平面波近似而使圖象畸變。
- A weighting function iteration algorithm used in beam pattern synthesis for wideband array based on adaptive iteration theory was presented. 基于自適應迭代理論,提出了一種應用于寬帶陣列方向圖綜合的權函數迭代算法。
- A calculation method and calculation results that show that a new kind of shaped paraboloid antennas can produce a ringy radiation pattern is presented. 摘要通過(guò)數值計算發(fā)現:將拋物線(xiàn)繞通過(guò)焦點(diǎn)的非拋物線(xiàn)對稱(chēng)軸旋轉而形成的賦形拋物面天線(xiàn)可產(chǎn)生環(huán)狀的方向圖主瓣(此主瓣指的是主瓣最大值處)。
- Verification of differences of characteristics of electromagnetic field image and radiation pattern in the near and far field are demonstrated. 驗證電磁場(chǎng)影像及場(chǎng)型特性在近場(chǎng)與遠場(chǎng)中之差異。
- With the algorithm pattern synthesis for uniform and nonuniform arrays is performed and mainlobes and sidelobes can be controlled effectively as designed. 分別對等間距和不等間距陣列進(jìn)行了方向圖綜合,都能夠按設計要求有效地控制主瓣電平和副瓣電平,使其達到預期的效果。
- The radiation pattern in the near and far field of each frequency component of the spectrum of current pulse on a transmission line. 傳輸線(xiàn)上脈波電流頻譜中各頻率成份在遠近場(chǎng)區中場(chǎng)型之比較。
- A new method of transmit pattern synthesis for Secondary Surveillance Radar (SSR) is presented.This method is concerned with an active phasedarray antenna. 該文介紹航管二次雷達(SSR)發(fā)射天線(xiàn)方向圖綜合的新方法,這種方法以有源相控陣天線(xiàn)為基礎。
- A new method to determine the mode content in over-moded rectangular waveguide by radiation pattern and Genetic Algorithm (GA) was presented. 摘要提出了一種基于輻射場(chǎng)和遺傳算法分析矩形波導中工作模式的新方法。
- Researches about pattern synthesis, adaptive nulling and multibeam digital beamforming for multibeam antennas array are also covered in the dissertation. 本文針對多波束陣列天線(xiàn)的方向圖賦形、自適應調零以及多波來(lái)數字波束形成等方面進(jìn)行了探討。
- The antenna parameters such as VSWR,gain and radiation pattern are calculated and the dimension of the antenna is optimized based on the simulation. 通過(guò)仿真計算優(yōu)化了天線(xiàn)各部分的尺寸,計算了天線(xiàn)的駐波比、增益和方向圖等參數。