波向儀 的英文怎麼說

中文拼音 [xiàng]
波向儀 英文
wave direction meter
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : 名詞1 (人的外表) appearance; bearing 2 (禮節; 儀式) ceremony; rite 3 (禮物)present; gift 4 ...
  1. An array of wave probes can be used as a directional antenna.

    排成陣列的測,可作為浪傳播方的感觸器。
  2. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下:首先針對荒漠化地區的地物特徵,對高光譜數據不同段的數據質量、段組合進行了評價,提出了適用於荒漠化監測的基本段選擇集;初步了解和掌握了研究地區的地物光譜特性及變異規律,進一步明確了掌握地物光譜特徵和變異規律是用成像光譜數據提取地物信息的基礎;發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象,對于譜形相似而整體反射率的值相差較大的兩類地物,通過引入均值和方差圖像參與分類得到解決;研究還表明在植被「紅邊」范圍內的段是進行荒漠化監測的主要特徵段,這些段與植被生物量和蓋度都有密切的關系,是開展精細植被分類研究和植被定量反演的重要基礎;像元的導數光譜分析可以消除土壤背景的影響,是進行植被生物量和蓋度定量反演的有力工具;建立了荒漠化監測主要評價因子的定量反演模型,並分析了模型的適用性。
  3. As a new development in the field of electronic oscilloscopes a hand - held digital oscilloscope is a truly integrated test tool, with digital storage oscilloscope ( dso ), multimeter and digital ondometer in one easy - to - use instrument

    =手持式數字示表是示器技術的一個新的發展方。通過使用大規模集成電路和液晶顯示器,它把數字存儲示器、數字頻率計、數字萬用表組合在一個手持式表體內。
  4. The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro

    激光陀螺的核心部件為he - ne環形激光器,而掌握光與介質的相互作用理論是研究激光器的關鍵,採用拉姆半經典理論為主,在密度矩陣理論的基礎上,推導環形諧振腔中描述he - ne氣體增益介質原子運動的光學布洛赫方程,運用介質極化理論得出描述激光陀螺反的光強、位相所滿足的自洽場方程組,在此基礎上,運用matlab模擬軟體和虛擬器編程語言labwindows / cvi ,對激光陀螺中的介質增益色散特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光強和相位特性進行模擬試驗研究,並且運用全量子理論,對激光工作原理進行分析,得出二能級系統單模輻射場的光子數密度分佈,得出激光場的光子統計分佈,模擬激光場的動態建立過程。
  5. The apparatus, with the specialities such as miniature, automation, flexibility, and individual - computer managing has become the developing trendof the testing equipment today. based on analysis of the characteristic and the system structure of the visual instrument, the paper has studied the design idea of it, put forward the exploiting methods of the visual instrument based on the object - oriented technique, exoatiated on the technique kernel of design the visual instrument under windows environment, designed a typical visual instrument " vis - 1 signal - analyzing and wave - displaying system ", which integrates multi - function instruments such as general oscillograph and ulf oscillograph real - time signal recorder wave and frequency - pedigree analysis instrument. the system has more excellent functions and characteristics than traditional instruments

    本文研究了虛擬器系統的設計思想,在分析虛擬器系統的特點及其體系結構的基礎上,提出了基於面對象技術的虛擬器系統開發方法;闡述了windows環境下實現虛擬器的技術要點;實現了一個典型的虛擬器系統「 vis ? 1信號示分析系統」 ,該系統集普通示器、超低頻示器、存儲示器、瞬態信號記錄形及頻譜分析等多種器功能於一身,並具有許多傳統器難以達到的優越功能和性能。
  6. This article discourse upon the principle and system construction of interferometer direction finder

    論文介紹了多道干涉的系統構成及其原理。
  7. Ab stract the author is engaged in the studying and manufacturing of an intelligent, capable and portable, multifuctional electrocardio monitoring equipment with aduc8 12 single - chip. microcomputer. the equipment can gather and record the electrocardio signals automatically, also can analyse it at real time, and send it out to the monitoring center through the telephone at real time or send it out by serial interfaces to computer. it use the graph display device to show the electrocardio waves and menu. cooperated with buttons, it provides amicable interface, and makes operation simple and convenient. based on the feature of the electrocardio signals, this paper also proposes a electrocardio distortionless data compression algorithm. the algorithn is simple but effective, it can process the data at real time, and the compression - ratio reaches 2 6

    所研製的監護能長時間採集和記錄心電信號,同時可進行心電數據的實時分析,並可通過電話監護中心實時發送,也可通過串列介面發送至微機。該監護採用圖形液晶顯示器顯示心電形和菜單,配合按鍵提供友好的人機界面,操作簡潔。本文還根據心電形的特徵,提出一種心電數據的無損壓縮演算法,該演算法簡單有效,能實時實現,壓縮比達到2 6倍。
  8. In the scheme of the atomic interferometer based on the uccc, we discuss the approximate solution of atomic matter wave - function in double - channel magnetic guide, and analyze the evolution of transverse wave function in the process of atomic interference and show the probability distribution after the interference

    利用在u -型載流導體基礎上構建的原子干涉,討論了雙通道磁導引中物質函數的近似求解。此外,還分析了干涉過程中橫函數的演化,並給出了物質通過干涉后的干涉條紋。
  9. In the first part, the basic knowledge of particle scattering in meteorology and physics was introduced. the particles to be discussed include aerosol particles, fog droplets and raindrops and the em wave band in the discussion is near - infrared. in the second part, the mie theory was briefly reviewed and was applied to investigate the scattering characteristics of spherical atmospheric particles, the result shows that in the visibility measurement meter using forward - scattering method, when the working wavelegth is between 0. 8 m ~ 2 m, the scattering angle is between 25 ~ 40, the distinguishability and the relative scattering intensity would be better than those under other conditions. in the third part, the superellipsoid was used to describe a wide range of shapes such as spheres. ellipsoids and cylinders. an improved t - matrix method which can be used to calculate arbitry shaped particle ' s scattering field was introduced, and the scattering characteristics of non - spherical atmospheric particles was investigated with this method

    計算結果表明,從相對散射強度、同一方上不同粒子散射的可區分程度來看,在散射式能見度探測器中,工作長介於0 . 86 m 2 m ,探測角度選取前25度40度時,探測的結果將會是比較理想的。第三部分中,使用超橢球方程來統一描述各種非球形粒子的形狀,然後使用t矩陣方法計算了一些形狀的非球形粒子的近紅外散射特性。另外,在本文中還針對球形粒子的散射場提供了一種三維可視化方法,使對散射場強度的空間分佈的理解更加簡單,直觀。
  10. Furthermore, the range of measurement of it was pointed out. all the analysis shows that our crsi 1il can be used to measure the spatial mid and low frequency wavefront distortion. 5. based on our crsi and algorithm, the phase modulation characteristic of an lcslm was measured

    五、利用環路徑剪切干涉共光路、雙光束干涉的特點,全場準確測量了液晶空間光調制器的位相調制特性,並且利用它的位相調制特性實現了臺階位相板畸變前的補償,由此證明了液晶空間光調制器可用於控制前畸變。
  11. The following paper is about a type of instrument for the signal collection that can be used to monitor big - size bearing. the key technology about it is also introduced. during the analogue section, principal line is analogue signal pspice simulation

    在故障檢測模擬信號處理部分,以模擬信號的pspice分析與模擬為主線,分析與設計了傳感器、低通有源濾器等部分的內容。
  12. A cyclic radial shearing interferometer was used to diagnose the wavefront distortion of a laser system and an lcslm ( liquid crysnd spatial ligh modulator ) was used to control it. some results have been summarized as follows : l. according to the theory of scalar quanity diffeaction and the model of the random gaussian phase screen of low frequency wavefront, the effect of the low frequency wavefront with different rms gradient on the focal spot of a laser beam was studied

    本論文在激光光束前畸變檢測和控制上進行了新的探索,主要就空間相位調制環路徑剪切干涉以及它對前畸變的檢測和液晶空間光調制器及其對中頻段前畸變的控制進行了研究,其研究的內容和取得的成果如下:一、根據標量衍射理論,結合低頻前畸變的高斯隨機位相分佈模型,研究了不同均方根梯度低頻畸變前對激光光束焦斑聚焦性的影響,並採用描述中頻段前畸變的功率譜密度概念,模擬計算了它對激光焦斑旁瓣的貢獻。
  13. Virtual ultrasonic detector ( vud ) is the result of the combination of virtual instrument technique and ultrasonic detecting technique. vud is smarter, cheaper than traditional instruments and represents the direction of ultrasonic flaw detecting. this paper put forward a project developed on the base of second generation vud

    超聲探傷是應用廣泛的無損檢測方法之一,虛擬超聲探傷是虛擬器概念在超聲探傷領域的應用,不僅實現了傳統的模擬超聲探傷的所有功能,而且對傳統探傷的原有功能進行了擴展,使其具有一定智能處理能力,是超聲探傷技術的一個重要發展方
  14. It is shown that the ability of wavefront reconstruction of lsi is better than hws, for the indirect sampling information of wavefront with lsi is more than hws

    結果表明,在相同輸入前、相同探測面元、相同擬合函數及階數的情況下,橫剪切干涉前復原能力比哈特曼前傳感器強。
  15. In applying western medicine, initiates prepared medical supplies, blood testing equipment, urine testing strips, an electrocardiograph, an abdominal ultra - sound scanner, and the latest and most professional eye - examination instruments used by ophthalmic experts. this was a great step toward meeting the medical needs of local residents in this modern age. while diagnosis and treatment were provided, much emphasis was also placed on educating the people that prevention is better than cure

    義診當中,中西醫服務都廣受歡迎西醫方面除了藥品部分,還準備了血液生化檢驗機尿液篩選試紙心電圖機器腹部超音機器等等,還有由眼科專科醫師所準備的最新最專業的眼睛檢查器,以最合乎時代需要的角度前邁一大步,除了疾病治療,更朝預防勝于治療的型態,所以幾乎所有前來接受義診的民眾,都要求接受各種檢驗。
  16. However, df pre - processing is not required in a interferometer direction finder. it only makes use of the phase relations or differences of sensors disposed at different position. azimuth and elevation are caculated from the phase differences or displayed directly on a crt drived by the voltage or current from the phase differences

    干涉不必進行測信號預處理而是直接或間接求取在空間上分開的傳感器上感應電勢之間的相位關系,即干涉相位差,方位角或仰角是直接由干涉相位差計算得到,或將兩基線正交的天線陣的干涉相位差轉化為驅動電壓(電流)分別加到crt陰極顯示器的垂直偏轉線圈和水平偏轉線圈,模擬顯示出來方位,干涉為典型的相位測方法。
  17. In the analysis of the frequent spectrum and the reflection coefficients, based on goda ' s two - points method which fit to the normal incident wave, a modified two - points method is derived that can be used to calculate the frequent spectrum and reflection coefficient of the oblique waves from which the frequent spectra of incident waves and reflected waves incoming in arbitrary angular, the bulk reflection coefficient and the frequent spectrum of reflection coefficient could be computed, also from which in theory the waves could be measured in two wave gauges which is disposed at any direction

    為了分析單不規則入射的頻率譜和反射系數,本文在goda用於分析正不規則的兩點法的基礎上,提出了可用於斜不規則頻譜分離及其反射系數計算的改進兩點法,該方法可用於計算任意浪入射角的入、反射譜、總體反射系數和反射系數的頻率譜,並且測量浪過程的兩浪高可在較廣的方范圍內布置。
  18. The following important work has been done : ( 1 ) some special problems of rate - bias laser gyro were analysed. the problems include modulation and demodulation of the output and algorithm of the attitude updates ; ( 2 ) the integrated navigation system with the fault tolerance property which equipped with many navigation equipments as sins, gps, dvs, ads, mg, vg is designed, and compared with that of ckf via simulations ; ( 3 ) the theories and methods of system level fault detection apply to federated filtering is investigated ; ( 4 ) the problem about using the fused information of sins based on rate - bias laser gyroscope / dynamical tune gyroscope to realize the component level hard fault interactions detection through a back - propagation neural network is discussed

    主要研究工作有:研究了速率偏頻激光捷聯慣導的陀螺測量信號的解調演算法;設計了在速率偏頻激光捷聯慣導、 gps 、多普勒雷達、大氣數據系統、磁航及垂直陀螺配備條件下聯邦濾組合導航系統,對聯邦濾器和集中濾器的性能做了模擬對比分析;研究了適用於聯邦濾器的系統級故障理論和方法;探討了利用速率偏頻激光捷聯慣導撓性捷聯慣導陀螺的混合測量信息,通過神經網路實現硬故障交互檢測的方法。
  19. Strain gauge typy wave direction meter

    應變計式波向儀
  20. These are preliminary research on dicom support of clinical waveform equipment, and there are still detail questions need to be solved ( when transplant ) in the future

    這只是對醫院形類器的dicom支持做出的初步研究,實際應用時還有一些細節問題(如器的移植等) ,將在以後進一步解決。
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