cross polarization 中文意思是什麼

cross polarization 解釋
橫向極化
  • cross : n 1 十字架；〈the C 〉 耶穌受刑的十字架。2 〈the C 〉 基督教（教義，國家）。3 不幸，苦難；挫折，...
  • polarization : n. 1. 兩極分化。2. 【物、天】極化；極化強度。3. 【物理學】偏振（化）。
  1. In the research realm of the target identify, an important topic is to minish the laser radar cross section of the space target for target stealth. the laser radar probes a target is based on the target under the laser, the space and time distribute characteristic of the strength ? polarization and phasic of the laser scattering etc. to identify a target

    在目標識別研究領域有一個重要的課題是減小空間目標的激光雷達散射截面便於目標隱身。激光雷達探測目標是根據目標在激光照射下，激光散射的強度、偏振和相位等的空間和時間分佈特徵來識別目標，目標表面粗糙度是影響目標激光散射特性的重要影響因素。
  2. Based on the propagation law of the cross - spectral density function in the space - frequency domain, the properties of polychromatic vector gsm beams through a paraxial optical abcd system are studied. the analytical propagation expressions for the cross - spectral density matrix of vector gsm beams passing through a paraxial optical abcd system are derived, which permits us to study the propagation properties of vector gsm beams, including the propagation - induced polarization changes, effect of the spectrum bandwidth and irradiance distributions in a unique way. there are some applications of the theoretical results

    基於空間一頻率域中交叉譜密度函數的傳輸理論，研究了多色矢量gsm光束通過abcd光學系統傳輸時偏振特性的變化規律，首次推出了矢量高斯一謝爾模刑fgsm ）光束通過近軸abcd光學系統交叉譜密度矩陣的傳輸公式，並對矢量gsm光束傳輸中偏振的變化、譜寬的影響和強度的分佈等進行了統一研究。
  3. As an example, polarization changes in vector gsm beams propagating through a telescopic system have been analyzed and illustrated by numerical results. it has been found that propagation - induced polarization changes are non - uniform across the beam cross - section. for the symmetric gaussian spectrum, the effect of the bandwidth on the polarization is barely noticeable

    以望遠鏡系統為例進行的數值分析表明，多色矢量gsm光束的偏振不再是均勻偏振，對源光譜為對稱分佈高斯型的多色矢量gsm光束，譜寬對光束偏振特性的影響不明顯。
  4. With the rising demand ever, the orbital resource and frequency spectrum resource for gso communication satellite has been almost fully exploited and utilized, by means of cross polarization, multi coverage, and orbital space reduction

    隨著通信需求的增長，人們採用極化復用、空間復用和縮小軌位間距等手段，對靜止衛星軌位和無線電頻譜資源作了接近極限的開發利用。
  5. Based on the concentration polarization models with conventional filter cake resistance and shear - induced diffusion, the critical point simulating model on cross flow microfiltration process in particulate suspension was developed

    摘要以傳統的濾餅層阻力和與誘導擴散相結合的濃差極化模型為基礎，建立了剛性顆粒懸浮液體系錯流微濾過程中模擬臨界點的數學模型。
  6. Analysis of near - field distribution and cross - polarization radiation pattern cavity - backed microstrip patch antenna on a uniaxial substrate

    單軸各向異性背腔式微帶貼片天線的表面縫隙場分佈及交叉極化方向圖分析
  7. This paper analyses and discusses the cross polarization problem in frequency re - use communication system. a accurate calculating methed and improve way is gived. ii is useful for communication system engineers

    摘要本文分析和討論通信系統引入頻率復用技術而帶來的交叉極化問題。給出定量計算方法及改善的途徑。對工程技術人員有很大的指導意義。
  8. Terrain slope information can be drawn from polarimetric synthetic aperture radar ( sar ) two - dimensional image, so that three - dimensional image can be generated. it differs from two - pass or repeated trace insar that uses interference phase method to obtain topography height. the p - sar three - dimensional image technology uses the stokes matrix formed by two - dimensional images resolution cells, then applying polarimetric synthesize to stokes matrix can produce polarization signature of the scatter cross - section a - (, x ) for any ( ellipticity ) and ( orientation ) polarization state

    這種方法不同於重復軌道和雙通道insar系統，不是利用干涉法提取高度信息，而是利用極化sar二維圖像各分辨單元的stokes矩陣，通過極化綜合估計每個分辨單元的共極化散射特性和交叉極化散射特性（極化指紋） ，以及共極化散射特性最大值時對應的極化橢圓度x利極化橢圓方向角，求解地形的高度輪廓。
  9. Methods of measurement for equipment used in digital microwave radio transmission systems - measurements on terrestrial radio - relay systems - cross - polarization interference canceller

    數字微波無線電發射系統使用設備測量方法.地面無線電中繼系統測量.交叉極化干擾消除器
  10. Methods of measurement for equipment used in digital microwave radio transmission systems. part 2 : measurements on terrestrial radio - relay systems. section 11 : cross - polarization interference canceller

    數字微波無線電發射系統使用設備的測量方法.第2部分:陸地無線電中繼系統的測量.第11節:交叉極化干擾消除器
  11. Methods of measurement for equipment used in digital microwave radio transmission systems - part 2 : measurements on terrestrial radio - relay systems - section 11 : cross - polarization interference canceller

    數字微波無線電發射系統使用設備的測量方法.第2部分:地面無線電中繼系統的測量.第11節:交叉極化搟擾消除器
  12. Based on the theory of rain - induced rain - induced cross - polarization discrimination ( xpd ), the two - order small argument approximation for rain - induced xpd is developed, and a new model for predicting rain - induced xpd is proposed based on this approximation. the comparisons of this new model with other models and experiments data show that some improvement has been obtained with this model, especially for different polarizations

    基於雨致交叉極化理論，提出了雨致交叉極化的二階小變量近似方法以及新的雨致交叉極化預測模式，與其它模式和實驗數據比較表明，該模式更能反映波的極化特徵，較其它模式有一定的改進。
  13. The main contributions of the dissertation are as following : ( 1 ) according to the theories of co - polarization and cross - polarization scattered characteristics, co - polarization and cross - polarization scattering characteristics of typical targets have been analyzed detailedly in this paper. a mechanism is described that rough surface tilted ( symmetrical distribution scene ) conduces to estimate terrain slope. so, we can estimate an elevation outline of symmetrical distribution scene without any experiential knowledge

    本文的主要貢獻可歸納為以下五點：山廠村拈人學博十論義2001 （ l ） 4十日標的共極化和交義極化敞射理論，詳細分析了典型11杯的共極化和交義極化敞射特性，網明傾斜的均勻分佈場景（粗糙表而）的共極化敞射特性4i利十提取地形方位向高度輪廓的機jrp 。
  14. The procedure to remove cross - pol interference is usually to determine where the interference come from, and then to adjust the polarization angle of the relative uplink or downlink antenna

    排除反極化干擾的步驟通常為，判斷干擾源自上行抑或下行，然後調整失調天線的極化角。
  15. Firstly, a novel four - element retrodirective array is designed, based on dual - polarization microstrip array antenna technology and phase - conjugating mixers technology. secondly, a simple, effective testing system is designed and set up, by which the array ’ s monostatic and bistatic radar cross section ( rcs ) are tested

    本文所採用的技術和方法，新穎、簡單、易實現，適合具體的工程應用;本文的結果對于天線研發人員研究方向回溯天線有一定的參考意義。
  16. After cross - linked with phosphorus oxychloride the polarization cross of tapioca starch under polarized light has no distinct change in the different period of the biodegradation, showing that when the degree of cross linking is high starch biodegradation is very difficult

    經三氯氧磷高交聯后的木薯澱粉在微生物降解過程中顆粒的偏光十字變化不明顯，表明一定程度的三氯氧磷交聯會抑制微生物對澱粉顆粒的作用。
  17. The complex scattering matrixes measured for each resolutio n cell were gotten by polarization synthesis and made an estimate to co - polarized scattering characteristics and cross - polarized scattering characteristics

    國內外學者發表了許多精彩的學術論文，這些研究文章從理論上解決了insar三維成像的技術難點，使insar三維成像具有完備的理論。
  18. Cross polarization interference cancellation xpic

    交叉極化干擾抵消
  19. Cross polarization discrimination

    交叉極化鑒別度
  20. Cross polarization characteristics

    交叉極化特性
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