螺旋天線 的英文怎麼說

中文拼音 [luóxuántiānxiàn]
螺旋天線 英文
corkscrew antenna
  • 螺 : 1. [動物學] （軟體動物） spiral shell; snail; conch 2. （螺旋形的指紋） whorl （in fingerprint）
  • 旋 : 旋Ⅰ動詞1 （旋轉） whirl 2 （用車床切削或用刀子轉著圈地削） turn sth on a lathe; lathe; pare Ⅱ名詞...
  • 線 : 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...
  • 螺旋 : 1 （具有螺紋的圓柱體 屬于斜面類的簡單機械） corkscrewspin; screw; spiral; helix 2 （螺旋現象;尾旋...
  1. Since complicated differential and integral operations were involved in the kernel of the integral equation, we simplified the equation and got the nakano equation. as instances, the planar archimedean spiral antenna, the planar equiangular spiral antenna, the monofilar helical antenna, the conical helical antenna with fixed ascending angle and the conical equiangular - spiral antenna were analyzed through the moment method. all of the results matched fairly well with the references and experiment results

    這種方法的積分方程的積分核里含有復雜的微積分運算，為了簡化計算，本文在推廣的海倫積分方程的基礎上，對方程進行了簡化，推導了nakano方程，並以平面阿基米德螺旋天線，平面等角螺旋天線，軸向模圓柱螺旋天線，具有固定升角的圓錐螺旋天線和圓錐等角螺旋天線為例，用矩量法求解了天線上的電流分佈，研究了螺旋天線輻射的寬頻帶特性，所得的結果均與參考文獻吻合很好。
  2. 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。
  3. Analysis of archimedean spiral antenna using moment method with curved segmentations

    曲線分段的矩量法分析阿基米德平面螺旋天線
  4. In this thesis, the concept of " fractal " and the recursive algorithm of fractal structure are depicted. the wavelength - independent character of archimedean spiral antenna and the space filled property of koch monopole are analyzed by the method of moment

    本文介紹了分形的基本概念和分形結構的迭代演算法，採用矩量法分析了阿基米德螺旋天線的頻率無關特性和koch單極天線的空間填充特性。
  5. Information is collected through the use of special rotating antennae found on the two strands that form the helix and located where each strand intersects with its four ladders

    通過使用在二條里發現的特別旋轉天線收集信息，二條形成螺旋狀用它的四個階梯固定在每條橫斷面上。
  6. Aerospace series - inserts, screw thread, helical coil, self - locking - assembly procedure ; german version en 2945 : 1998

    航空航天系列.自鎖螺旋形線圈螺紋襯套.組裝程序
  7. Aerospance series - installation holes for inserts, screw thread, helical coil, self - locking - design standard ; german version en 3044 : 1998

    航空航天系列.自鎖螺旋形線圈螺紋襯套的安裝孔.設計
  8. High power helical array antenna fed from single - layered radial waveguide

    高功率單層徑向線螺旋陣列天線的設計與模擬
  9. Aerospace series - inserts, screw thread, helical coil, self - locking, in corrosion resisting alloy fe - pa3004 ; german version en 2944 : 1998

    航空航天系列. fe - pa3004耐蝕鋼制自鎖螺旋形線圈螺紋
  10. Yield locus is analyzed when antenna is controlled under either pt mode or at mode. double trapezium velocity locus is designed for pt mode while the helix search algorithm is designed for at mode

    對程序跟蹤（ pt ）模式和自動跟蹤（ at ）模式下星間鏈路天線的運動規律進行分析，設計了梯形速度軌跡和螺旋掃描運動軌跡。
  11. Passive helical antenna

    無源螺旋天線
  12. Active helical antenna

    有源螺旋天線
  13. Four helical antenna

    四螺旋天線
  14. Gps helical antenna

    Gps螺旋天線
  15. The temperature stress made the cells optimal irradiance range narrow and also made their sensitivity to irradiance. study on the daily variation of photosynthesis in different weather in four seasons in a year was carried out, too. the results showed that the daily variation curves of s1, s2 and s3 were two - peak curves in high irradiance, and the higher the irradiance was, the earlier the first peak appeared. in the weather with low irradiance ( for example, in cloudy day ), the photosynthetic rate varied with the irradiance changing

    四季溫室不同天氣（晴天、多雲天氣和陰天）螺旋藻光合速率日變化測定結果顯示，在光照較強的天氣（如晴天） ， s _ 1 、 s _ 2和s _ 3的光合速率日變化曲線呈雙峰曲線，且光照越強，峰值出現越早；在光強較弱的天氣，光合速率隨光強的升降而升降。
  16. Secondly, the article begins with changing the original chip and selects a new type of chip, max1479, which has more emission power, constitutes a new communication protocol, and designs the circuit and program. in the end, this article analyses the influence of environment on the antenna. meanwhile, it also analyses characteristic of the antenna by using electromagnetic theory, and then designs a kind of inverted - f antenna

    其次，本文從射頻晶元改型入手，選用一款專用於汽車電子並具有更高發射功率的射頻晶元max1479 ，重新制定通信方案，設計硬體電路並編程調試;最後，本文分析了環境因素對天線輻射的影響，應用天線和電磁場理論對天線的特性進行分析，設計一種倒f型天線和螺旋天線相結合的天線結構，並用hfss軟體和cst軟體模擬。
  17. Aerospace series - inserts, screw thread, helical coil, self - locking - technical specification ; german version en 2943 : 1998

    航空航天系列.自鎖繞旋線螺紋鑲嵌件.技術規范
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