方向特性 的英文怎麼說
中文拼音 [fāngxiàngtèxìng]
方向特性
英文
directional characteristic- 方 : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
- 特 : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 方向 : direction; orientation
- 特性 : characteristic(s); character; performance; features; properties; behaviour; response; character...
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By contrasting these methods, we can know that they supplement each other, which can judge tractor - semitrailer steady stat cornering performance much more, comprehensively
通過對3種分析方法進行比較可知, 3種方法相互補充,可以更全面地判別半掛汽車列車穩態轉向特性。This text studies three methods about analyzing steady stat cornering performance of tractor - semitrailer : the differentiating of linear system steady stat cornering performance, the computer simulating analyzing of nonlinear system steady stat cornering performance, and the method of energy phase plane
摘要為了分析半掛汽車的穩態轉向特性,研究了3種用於判別半掛汽車列車穩態轉向特性的方法:線性系統穩態轉向特性的判別、非線性系統穩態轉向特性的計算機模擬分析、能量相平面法。Direction property of coherent interference suppression
抵消相干干擾的方向特性In this dissertation, according to the theory of mechanical dynamics and multi - body dynamics, a simulation model of nj2046 light off - road vehicle including suspension system, steering system and tires is built with the software carsim and so the vehicle steering characteristics are analyzed with the step angle input of steering wheel. it is found that the steering characteristics are different when the velocity and load are different, and the relationship between steering characteristics and velocity and load is presented
本文根據機械繫統動力學、多體動力學理論,運用動力學模擬軟體carsim建立了包括懸架系統、轉向系統和輪胎等模型的nj2046越野汽車整車模擬模型,在此基礎上分析了nj2046越野汽車在方向盤轉角階躍輸入時的轉向特性,通過對不同車速、不同載荷條件下的模擬計算,得出了在這些條件下該車具有的不同表現特徵,揭示了轉向特性與車速、載荷和輪胎的內在關系。Because super - directive arrays can supply better directive performance than the general arrays, we analyses the two pattern synthesizes that is the schelkunoff unit - circle method and the chebyshev - dolph super - directive synthesis method of the line arrays in detail
由於超方向性陣列天線可以提供比普通陣列天線好得多的方向特性。本文尤其對線陣的schelkunoff單位圓綜合法和chebyshev - dolph超方向性綜合法作了詳細的分析。Abstract : the degreasing methods and mechanisms in leather - making are explained. the types of degreasing agents are discussed. some typical degreasi ng agents and their application properties are introduced. the researching and de veloping directions of degreasing agents are also presened. especially, enzymatic degreasing method and its prospects are discussed
文摘:闡述了製革生產過程中主要採用的脫脂方法及原理,討論了脫脂劑的種類和作用方式,介紹了目前常用的一些脫脂劑的組成和使用性能,並提出了皮革脫脂方法和材料的發展方向,特別討論了酶法脫脂的前景。The three methods are supplement to each other and can he used to realize complete identifying tractor semi - trailer steady turning performance
3種方法相互補充,可以全面判別牽引車半掛車列車的穩態轉向特性。This paper discusses three methods of identifying tractor semi - trailer steady turning performance : linear system steady performance identifying method, non - linear steady performance identifying method and energy phase plane identifying method
摘要研究3種用於判別牽引車半掛車列車穩態轉向特性的方法:線性系統穩態轉向特性判別方法、非線性系統穩態轉向特性的判別方法、能量相平面判別方法。And then, the paper analyses the reason engaged in the directional property of underwater acoustic transducer and array, discusses the physical parameter of the directional property. to point acoustic source equal spacing linear array, the dissertation makes experiment analysis and simulation
分析了水聲換能器及基陣指向特性形成的原因、表徵指向特性的物理參數,並針對點聲源等間距線列陣的指向性進行了數學、實驗分析與方針。The spatial directional resolution ( sdr ) of the 2 - d regular arrays ( square array, circle array, l array ) was investigated in this paper by means of theoretical analyses and computer simulations
摘要利用理論分析和計算機模擬相結合的方法、對三種常用的二維均勻天線陣列(方陣、圓陣、 l陣)的空間方向特性進行了深入的理論和模擬實驗研究。The third chapter is experiment analyses of multi - aperture transient electromagnetic method, it analyzes multi - aperture transient method in theory and discusses radiation direction characteristic of first field by means phased array theory and integrating result of experiment contrast. according to kinematics character it also brings forward similar interference concept and analyzes reason of similar interference phenomenon, it gained footing between similar interference item and depth on the base of it and experiment formula
藉助于相控陣原理的思想,結合模擬實驗觀測值對比結果,對多孔徑tem方法進行模型分析,詳細討論了多孔徑一次場的輻射方向特性,利用光波的運動學特徵提出類相干的概念,分析了多孔徑tem輻射源存在類相干現象,推導出類相干實驗公式,並得出類相干項與多孔徑框邊長以及埋深的關系表達式和。Linear array can only provide an azimuth scan ranging from 0 to 180 degree, while circular array from 0 to 360. by means of recurring moving array excitation, circular array controls the beams ’ orientation simply and neatly, creating a perfect pattern in azimuth and an ideal pattern in pitch
線陣只能有180的掃描范圍,而圓形陣列能夠提供360方位角,通過循環移動陣列激勵,簡單而靈活地操縱波束的方位,能夠在方位上產生沒有方向性方向圖,而在俯仰方向上也有一個理想的方向特性。Directional sensitivity for the hot - wire measurements at very low wind velocity
極低風速下熱線測量的方向特性Crops sown in line ; the directional characteristics of thermal radiance ; scanning direction
行播作物熱輻射方向特性掃描方向Thirdly, decrease the difficulty of the character recognition through studying the method of character preprocessing ; at last, some effective methods of feature extraction, such as the one based on image transform with the invariant features which keep stable while the picture move, rotate and zoom in or out, and the other focused on the shape of character and features of direction
三、深入探討了字元識別的預處理方法,減少字元識別時的運算量和難度。四、討論了三種特徵向量的提取方法,一種是基於平移、旋轉和尺度不變性的圖像變換法,一種是計算中心矩的方法,再就是強調字元形狀和結構的方向特徵量提取法,實驗中通過最小距離法進行字元的分類識別,匹配時間少,識別率有所提高。( 3 ) the distribution and the direction in texture is discussed
3 、著重討論了紋理的分佈特性和紋理的方向特性。Under wide - aperture, the anisotropy of scattering centers become evidence, in this paper, we propose a new algorithm based on sub - aperture and filtered back - projection algorithm to estimate the anisotropy of scattering centers in wide - aperture imaging
然後針對散射中心方向特性提取問題,結合子孔徑思想和濾波逆投影演算法提齣子孔徑濾波逆投影演算法,模擬結果驗證了演算法的有效性。Lastly, aiming at the poor results which all current algorithms do for directional textures, and cannot synthesis texture directly, aiming at the particularity of this kind of textures, we bring forward the conceptions of non frontal parallel textures and frontal parallel textures. by analyzing texture ' s direction through fourier spectrum, we introduce the conception of main direction, and solve the approximation value of texture ' s main direction by discrete approximated approach. by this way, we can synthesis indirectly simple structural non frontal parallel textures
最後針對現有演算法對帶有方向的紋理合成效果差,無法直接合成紋理圖像的難點,本論文首先提出了非正平行紋理與正平行紋理的概念,分析了它們之間的內在聯系,引入了兩個角度參數來描述紋理的朝向,採用傅立葉頻譜法分析紋理的方向特性,並提出了紋理主方向的概念,本論文引入離散逼近的方法來求解出紋理主方向的近似值,這樣我們就能用一種間接的方法合成簡單的結構性非正平行紋理。The fuzzy division of the character lattice image can overcome the stroke position influence to the feature extraction. the fuzzy direction feature combines the fuzzy image division with the fuzzy direction property feature, which describes the stroke direction property of single edge point
通過對字元點陣圖像的模糊劃分,克服筆畫位置對特徵抽取的影響;用模糊方向屬性特徵描述單個邊緣點筆畫方向屬性;模糊方向特徵是圖像的模糊劃分和邊緣點的模糊方向屬性特徵的結合。Simulation results prove the feasibility of rhombic configuration of wheels because its steering dynamics is comparable to that of vehicles with traditional configuration of wheels
與相關統計數據對比分析表明,採用菱形方式布置車輪除了在低速時具有靈活的轉向特性外,高速時具有與傳統車輪布置方式相當的動態轉向響應特性。分享友人