相位陣列 的英文怎麼說

中文拼音 [xiāngwèizhènliè]
相位陣列 英文
phased array
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
  • : Ⅰ名詞1 (作戰隊伍的行列或組合方式) battle array [formation]: 布陣 deploy the troops in battle fo...
  • : Ⅰ動1 (排列) arrange; form a line; line up 2 (安排到某類事物之中) list; enter in a list Ⅱ名詞1...
  • 相位 : phase position; phase
  • 陣列 : [統計學] array陣列處理機 array processor; 陣列印表機 array printer; 陣列雷達 [電學] array radar
  1. For the anticounterfeiting of printings ( such as certificate ), the existent many ways ( such as rainbow holograms ) are not available as the need for special use : anti - distortion and anti - copy. basing in the double - random - phase transform, this article puts forward a new way that two - dimensional bar code is used as anticounterfeiting label with anti - printing ? scanning and anti - damage properties. the major job are : ( 1 ). basing in the ascii codes, numerals and alphabets are encoded and subsequently transformed into two - value bar code matrix figure. later, using amplitude - based double - random - phase transform, the enciphered gray scale figure is formed. by computer simulation ( 4f system ) and printing as well as scanning ( 20 times ), we get the result that the gray scale figure with little miscoding rate ( 0. 0026 ) by “ matrix expanding way ”

    本文主要開展了以下三項研究工作: ( 1 ) .用自定義編碼方案,將數字和字母( ascii碼)轉換成二值條碼圖;對該圖形進行振幅型雙隨機加密變換,得到原信息的加密灰度圖;通過4f光學系統計算機模擬和印-掃描實驗,證明本文提出的「矩擴展法」灰度圖具有較小的誤碼率,對於20次印-掃描實驗,誤碼率不大於0 . 0026 。
  2. Secondly, this paper illustrated the nonlinear phase dynamic theory of the aia array and the application of it to power - combining and beam - scaning technique. according to these theories, the coupling parameter of nearest neighbors was found by experiment, then the two - element and three - element aia array were designed, and the result of measurement was in agree with that of the nonlinear phase dynamic theory, and the beam - scaning of two - element array was realized by tuning the free oscillation frequency of the elements

    其次,本文討論了有源集成天線的非線性動態理論以及它在功率合成和波束掃描方面的應用,包括同步工作條件、穩定條件和動態方程等,通過實驗確定了鄰單元間耦合參數,並將之運用於有源集成天線二元和三元的設計,實驗結果與理論結果吻合較好。
  3. Secondly an infrasonic array was constructed. the array is made up of three detectors with about 1 kilometer distance between each other. the three detectors are connected with telephone line

    其次構建次聲,用三個距約一公里的次聲探頭構成次聲三元接收,它們之間用電話線傳輸數據,合理地布置各元的置和方,三路信號通過採集卡上的不同通道號輸入計算機。
  4. At same time, it was also investigated the impact of the position errors of multiple antennas both sides of transmit and receive on the correlation of antenna array, and the simulation results by computer are also given

    同時還研究了多天線的置誤差對天線關函數的影響,給出了有關模擬結果。
  5. The algorithms estimate the doa of the broadband distributed source fron the secondary diagonal elements of the covariance matrices generated from every frequency domain of the received broadband signals, thus avoiding unwrapping of phases

    該類演算法首先將接收的寬帶信號變換到頻率域,然後對于每個頻率形成接收信號協方差,最後由該協方差的次對角線元素估計寬帶分佈源的到達角,其主要特點是避免了展開。
  6. For the purpose of estimating 2 - d doa of uniform circular array ( uca ), phase mode excitation based uca beamforming is employed to obtain real - valued beamspace manifold

    對均勻圓( uca )二維波達方向估計問題,運用激勵模式波束形成技術,得到圓波束空間實值流形。
  7. Phased - array radar

    相位陣列雷達
  8. The most important feature of phase - only nulling method lies in only making use of phase perturbations for controlling pattern ' s nulls, namely, amplitude of weights is fixed

    ( phase - only )方向圖置零方法是一種只利用單元的擾動對方向圖的零點進行控制的波束形成方法。
  9. In this paper, we present the sufficient and necessary condition for the sum of a identity matrix and a generalized cyclic matrix is nonsingular, and obtain the formal representation of the relative gain array of the sum matrix

    本文給出了單與廣義循環矩的和矩的非奇異的充要條件,得到了這樣和矩對增益的顯示表達式。
  10. This kind of reflectors possessed the advantages of the traditional reflectors and the phased arrays. the reflectarray is made up of lots of resonant elements. when the feed radiate the reflectarray, the reflected wave could be focused at some desired direction owing to the adjustment of each element

    這種反射天線具有反射天線和天線共同的優勢,它的基本結構就是由大量的無源諧振單元組成的單屏或多屏周期性,然後由一個饋源照射這個天線,通過調節介質板上每個單元對于入射波的散射,使得反射波在特定的方向實現同,發射出方向性極強的筆形波束。
  11. Abstract : thermochromic liquid crystal infrared imaging system includes a thermochromic liquid crystal infrared sensor, a chopper, controller, a light source, lens, liquid crystal phase plate, optical system, a charge coupled device ( ccd ) array, and microprocessor. the operation and performance of the thermochromic liquid crystal infrared imaging system are described

    文摘:紅外攝像系統包括熱色液晶紅外傳感器、斬波器、控制器、光源、透鏡、液晶推移器、微處理器、光學系統、 ccd等,描述了熱色液晶紅外攝像系統的工作原理和特性。
  12. A perturbation method by tight - binding approximation which provide the relation of phase constant and angular spectrum of fields of in - waveguide is presented. the strip width of phase constant can be given. on the other hand, the group delay - time due to the k dispersion in single - mode transmission can also be estimated

    提出一種利用緊束縛近似的微擾法計算波導的常數與輸入光角譜的關系,由此算出常數的帶寬,並利用衍射方法估算單模傳輸中k色散引起的群延時。
  13. Numerical analysis for phase error of silica - based arrayed waveguide grating

    硅基二氧化硅波導光柵誤差數值分析
  14. Due to the existence of error of amplitude distribution and phase distribution in power dividers, the side lobe of azimuth pattern for this planar waveguide array is influenced, thus, the power dividers should be optimized

    由於該功分器存在著幅度和誤差,這些誤差對的方面方向圖的副瓣電平影響比較大,需要進行優化設計。
  15. The process that light wave gets through arrayed waveguides can be regarded as a process of extracting spatial sample and filtering spatial frequency. spacial sample is accomplished by period interval arrangement of awg and spatial frequency filtering is accomplished by the fundamental mode and phase delay of each arrayed waveguide which is just a spatial frequency filter

    而光場通過波導的過程,可八碩士學住論文waiaster 』 stiesis以看作是空間抽樣以及空間濾波的過程:空間抽樣由波導的周期間隔排完成,空間濾波由每個波導的基模形式以及延遲完成(波導即為一空間濾波器) 。
  16. The angle spectrum of inputting optical signals is received by the input surface of arrayed waveguides. whereas the diffraction process of light beam outputed in slab waveguide is a process of " composing frequency and generating image ". the reason that fraunhofer diffractive pattern can be gained on outputting waveguide surface is that output ends of arrayed waveguide distribute on the arch structure which leads bent phase factor to offset the quadratic phase factor in fresnel diffraction

    輸入平板波導內光束的衍射過程是「分頻成譜」的過程,在波導的輸入面接收到的是輸入光信息的角譜;而輸出平板波導內光束的衍射過程則是「合頻成像」的過程,正是由於波導輸出口排分佈在圓弧形結構上,其彎曲因子消去了菲涅耳衍射中的二次因子,從而在輸出波導面上能夠得到夫瑯和費衍射圖樣。
  17. To 2005 had obtained many important results in the theory and had developed array phase introduction logging ( apil ) prototype apparatus. current the dual - frequency introduction logging ( dfil ) project already enters the stage of whole apparatus function adjust

    至2005年處,在理論方面取得了許多重要的成果,並研發出了感應測井儀( apil )試驗樣機,目前雙頻感應測井儀( dfil )也進入了整機性能調試階段。
  18. When calculate the correlation function of binary array pairs, using the boolean calculation instead of the decimal multiplication, using the method of count the number of 1 in binary integer to calculate the correlation function of binary array pairs, the speed of searching is obviously improved by these methods. by the algorithm introduced in this paper, the constant weight and normative perfect binary array pairs whose volume from 4 to 28 and quasi - perfect binary array pairs whose volume from 2 to 24 were searched and gi ved the new result

    此外,採用二進制整數來表示,通過對整數的邏輯運算來實現偶的移變換、完全采樣變換等運算;在計算二進偶的關函數時,用整數的邏輯運算代替十進制中的乘法運算,並用計算二進制整數中1的個數的方法來計算二進偶的關函數,以上方法的採用明顯地提高了搜索速度。利用上述演算法,對體積為4 28的等重規范型最佳二進偶和體積為2 24的準最佳二進偶進行了搜索,並給出了新的結果。
  19. In this paper, the variable phase center is calculated in the full space for the first time. the condition under which a linear array has a variable phase center in the full space is derived in the paper. it is concluded that the non - similar array has not variable phase center in the full space, but it has variable phase center in the e - plane and h - plane independently

    本文首次將中心擴展到全空間中進行計算,導出了直線在全空間中存在可變中心的條件,得出了由非似單元組成的線在全空間並非處處存在可變中心,但在e面和h面獨立存在各自的可變中心這一重要結論。
  20. The former soviet union started this research early in 1960 ’ s, had obtained many important fruits and had developed the commercial logging apparatus

    前蘇聯在感應測井方面的研究起步較早,取得了許多重要的成果,並開發出了成熟的商用儀器。
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