雷高第 的英文怎麼說

中文拼音 [léigāodì]
雷高第 英文
vittorio gregotti
  • 雷 : 1. （雲層放電時發出的響聲） thunder 2. （軍事上用的爆炸武器） mine 3. （姓氏） a surname
  • 高 : Ⅰ形容詞1 （從下向上距離大; 離地面遠） tall; high 2 （在一般標準或平均程度之上; 等級在上的） above...
  • 第 : Ⅰ助詞（用在整數的數詞前 表示次序） auxiliary word for ordinal numbers Ⅱ名詞1 [書面語] （科第） gr...
  1. The results showed that tall fescue traple is the hest, tall fescues melike is the second, red clove redquin is the third, award of kentucky bluegrass the worst and the others in the middle in introduced 9 species, according to soil and water conservation and forage grass

    結果表明，在參試的9個品種中，以翠碧高羊茅的綜合性狀最佳，第二為邁洛克高羊茅，第三為雷得昆紅三葉，草地早熟禾的優異和新哥來德最差，其它品種居中。
  2. Mixers are the key components of many microwave and millimeter - wave systems. the super - heterodyne receiver is always applied in modern communication system, mixer becomes the key component as is at the first part of system. but it is more and more difficult to get the choiceness lo source of the same band with the system is working at high frequency especially in the millimeter - wave. sub - harmonic mixer is a good solution to this problem now. in this circuit we need just half 、 quarter 、 even 1 / 8 of the rf signal frequency. in this paper the design and fabricate of sub - harmonic hmic mixers ( 2, 4 ) at w - band are introduced

    混頻器是微波通信、射電天文學、雷達、等離子物理、遙控、遙感、電子對抗，以及許多微波測量系統中至關重要的部件。在現代通信系統中，毫米波頻段通常採用超外差接收機，混頻器作為第一級就成為關鍵部件。由於在毫米波頻段，同頻段高性能的本振源成本高，技術難度大，採用分諧波混頻技術是解決此問題的有效途徑，只需射頻頻率1 / 2 、 1 / 4甚至1 / 8的本振頻率即可實現混頻。
  3. In the first and second chapter ， spaceborne three - dimensional imaging altimeter is introduced briefly

    文中第一、二章簡要介紹了星載三維成象雷達高度計系統。
  4. Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation

    在近年來提出的基於質點運動學原理的單站無源定位理論基礎上，本文第二章提出了幾種在角度測量的基礎上增加角度變化率及相對運動的離心加速度等運動學參數的單站無源測量模型，並對它們進行了分析和模擬；第三章分別對利用角度及其變化率信息定位和利用離心加速度信息定位的可觀測性進行分析並得到了相應的可觀測條件；第四章針對傳統擴展卡爾曼（ ekf ）方法的缺點，提出了一種修正協方差的擴展卡爾曼濾波（ mvefk ）方法，並將其和ekf 、 mgekf 、 iekf等常用的單站無源定位濾波方法進行了性能模擬比較；第五章通過引入雷達機動目標跟蹤方法和模型，提出了利用角度及其變化率對機動輻射源跟蹤的多級噪聲自適應方法和imm方法；第六章主要對角度變化率和離心加速度參數的獲取技術進行了研究，提出了幾種高精度測量脈沖序列多普勒頻率變化率的方法。
  5. The protective area of lightning rod was analyzed and simulated with computer. a standpoint using “ global five lightning rod ” to increase base station capacity of resisting flank attack lightning is proposed. according to principle of faraday screen cage, a standpoint using “ accessorial earth net by mixed grounding ” to increase base station capacity for discharging quickly as lightning rod lead lightning is presented

    根據法拉第屏蔽籠的屏蔽原理，對基站建築物的屏蔽接地、防雷地網提出了採用「混合接地體輔助地網」對基站建築物的「基礎接地」進行改進，提高了基站接閃器「引雷」放電時的快速瀉電能力。
  6. Team mate kimi raikkonen was really happy with the handling of his mp4 - 21 on his way to fifth place, as was the spaniard after claiming seventh

    隊友基米-雷克南很高興開著自己的mp4 - 21拿到了第五名的位置，而西班牙人在他之後拿到了第七名。
  7. The following are the main works : the maximum likelihood estimator ( mle ) was studied in detail, and the ocean return curve based on the sub - optimal maximum likelihood estimator ( smle ) was first obtained in china through the airborne flight experiment

    （ 2 ）深入研究了星載雷達高度計最大似然跟蹤演算法，並完成了基於準最大似然演算法的高度計跟蹤器的研製，通過機載校飛實驗，在國內第一次獲得了基於準最大似然演算法的海洋回波跟蹤曲線。
  8. In chapter 2, some statistics models of radar clutters are investigated under the high resolution radar, and some relation between the input and output correlation coefficient of zeros memory nonlinearity ( zmnl ) are analyzed, then the fast numerical method ( called error controlled method ) which utilize calculating input and output correlation coefficient of zmnl is proposed

    第二章以高分辨雷達雜波模擬為研究對象，以零記憶非線性變換（ zmnl ）為研究手段，推演了幾種典型雜波在zmnl變換前後輸入輸出間非線性變換關系，提出了求解輸入輸出非線性關系式的快速數值求解方法（ 「誤差控制」法） 。
  9. At last, this paper put forward a recognition method using the parameter of moving target the missle - borne pulsed doppler radar can be achived and the hmm and the analized the limited performance of the method under different circumstance. in chaper 4, this paper analized the temporal chracreristic and spectral chracterisc of hovering helicopter, and then analized the possible methods for detection hovering helicopter and the message that can be achived

    第四章中，本文首先分析了懸停直升機回波信號的時域特性和頻域特性，結合彈載高重頻脈沖多普勒雷達的一些具體參數分析了利用彈載高重頻脈沖多普勒雷達對懸停直升機進行檢測的可能途徑和可利用信息。
  10. The second part brings forward a new ar - model - based arm detection method based on features of arm and characteristics of velocity and acceleration of the radar echoes. by establishing two - order ar models, this new detection method computes the poles of models representing different targets, thus estimates the acceleration of the targets so as to determine the nature of the targets. furthermore, this method can not only be applied when the arm is being tracked by radar, but also be put into use in radar ’ s seeking and scanning times

    第二部分則是根據反輻射導彈（ arm ）的特點及其雷達回波信號中速度、加速度等特徵，提出了一種新的基於ar模型的arm檢測演算法，該方法通過建立二階ar模型、估計代表不同目標的模型極點，並由此估算目標加速度來判斷目標性質，該方法不僅可以在雷達已跟蹤上arm后採用，而且適用於雷達搜索掃描時使用，模擬結果表明該方法具有解析度高，對雷達脈沖重復頻率（ pulserepetitionfrequency ， prf ）及積累脈沖數要求不高的特點，在低的prf及少的積累脈沖下，利用該方法仍可有效地識別檢測arm 。
  11. This dissertation is a part of the research project, " millimeter wave synthetic aperture radar ( sar ) ", which is the pre - researchful item of the elelctric 10th institute of ministry of information industry. it ' s aim is to improve performance of stop - band of waveguide band - pass filter ( bpf )

    本論文工作是中國電子科技集團公司第十研究所「十五」預研項目「毫米波合成孔徑雷達」中的一部分。要求對目前的e面全金屬膜片波導濾波器進行改進，提高其阻帶性能。
  12. You ' re radar identified, expect radar vectors for ils r / w31, currently no4 in traffic. there may be a slightly delay. continue your descend to 7000 feet on 1001mbs

    你已被雷達識別，預計雷達引導盲降進近跑道31號，你是第四架飛機，可能有點延誤，繼續下降到1001毫巴高度7000英尺。
  13. Schoolboy goalkeeper rhys taylor saved the tenth penalty of the shoot - out after nine successful ones in an extraordinary climax to the semi - final

    在高潮迭起的半決賽里，前面的9個球都成功罰進之後， （青年學院）學員雷耶斯.泰勒撲出了第十個點球。
  14. Water ' s edge sport performance inc. and the fraser valley dragon boat club are pleased to announce the fourth annual harrison dragonfest, to take place on july 19th, 2008 in beautiful harrison hot springs, bc

    水的邊運動表演公司和弗雷澤山谷龍船俱樂部高興宣布第四年度哈里森?德拉根費斯特，在美麗的哈里森溫泉發生在2008年7月19日， bc 。
  15. Senior kadima officials said olmert must offer peres the number two slot on the party list and possibly even the job of acting prime minister, in order to " lock him into kadima, and prevent his return to labor "

    一名前進黨高官說，為了防止佩雷斯離開前進黨重返工黨，奧爾默特必須將其名子列在競選名單第二位上，甚至要讓其出任總理。
  16. Some puma shareholders argued wednesday that french luxury goods company ppr should offer more money for the world ' s third - biggest sporting goods manufacturer

    全球第三大體育用品製造商? ?彪馬公司的部分小股東代表11日強烈表示，法國皮諾春天雷都集團（ ppr ）應提高對彪馬的收購價格。
  17. Moa is kind of necessary over - voltage protector for safety running in electrical power system, it ' s used for prevent the equipment against the damage of atmosphere and operating over - voltage without gaps is belong to the third dynasty product, it ' s recognized as the up - to - data over - voltage protector, this kind of product is made up of zinc oxide films and polymer housing for example sr, epdm, hdpe it has features of small volume, simple structure, light height, pololution - prool and non - detonation and is suitable to be usde in the densely populated city

    避雷器是電力系統安全運行不可缺少的過電壓保護產品，用以保護電器設備免遭大氧過電壓和操作過電壓的損害，而復合外套無間隙氧化鋅避雷器是屬于避雷器第三產品，是當今各項性能最好的產品，其核心元件電阻片全部採用氧化鋅閥片，而外殼材料是採用復合有機材料，如硅橡膠（ sr ） ，改性三元乙丙橡膠（ epdm ）高密度聚乙烯（ hdpe ）等，它具有體積小，結構簡單，重量輕，耐污積強，防爆等優點，最適合人口密度城市中使用。
  18. Li lei is the tallest boy in our class. wang gang is the second tallest. who is the third tallest

    李雷是我們班最高的男孩。其次是王鋼，第三是誰呢？
  19. " kids with mild tics are at a higher risk for developing future school problems. this is a way of identifying children ahead of time so they can be monitored - a clue to how the child ' s brain is organized " says lead study author dr. roger kurlan director of the tourette ' s syndrome clinic and the cognitive and behavioral neurology clinic at the university of rochester in new york

    本研究第一作者紐約羅切斯特大學圖雷特氏綜合癥診所和認知及行為神經學診所的所長roger kurlan博士說： 「有輕微抽搐的孩子將來發展成學習問題的危險很高，這樣可以提前診斷這些孩子，及早監測他們，這也提供了一個幫助了解孩子的腦組成的線索。 」
  20. Maritime navigation and radiocommunication equipment and systems - radar - part 2 : shipborne radar for high - speed craft - methods of testing and required test results

    航海和無線電設備和系統.雷達.第2部分:高速飛行器用船載雷達.試驗方法和要求的試驗結果
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