激光信號 的英文怎麼說

中文拼音 [jīguāngxìnháo]
激光信號 英文
laser signal
  • 激 : Ⅰ動詞1 （水因受到阻礙或震蕩而向上涌） swash; surge; dash 2 （冷水突然刺激身體使得病） fall ill fr...
  • 光 : Ⅰ名詞1 （照耀在物體上、使人能看見物體的一種物質） light; ray 2 （景物） scenery 3 （光彩; 榮譽） ...
  • 號 : 號Ⅰ名1 （名稱） name 2 （別號; 字） assumed name; alternative name3 （商店） business house 4 （...
  • 激光 : [物理學] laser 激光靶 laser target; 激光報警器 laser avoidance device; 激光玻璃纖維 laser fibre; ...
  1. Compared with current instruments, the setup can decrease disturbance of disorder radiation by using double layer refractive index sample matching vessel, and it can increase collecting and transmitting efficiency of radiation by adopting single mode fiber with gradient refractive index lens. with a low power laser, the sample has a low scathe, and the laser and the measurement system can be integrated conveniently

    與現有的同類型儀器相比，該儀器採用雙層折射率樣品匹配池減少了雜散光的干擾；採用帶梯度折射率透鏡的單模光纖接收、傳輸散射光信號提高了散射光的收集傳輸效率；用低強度的激光避免了對樣品的輻射損傷，同時可以使激光器和系統集成在一起，整個系統小型實用。
  2. Then the biological information model of photobiomodulation ( bimp ) was introduced to explain photobiomodulation and the information function of low intensity laser irradiation

    然後運用劉承宜等提出的低強度激光的信息生物模型（ bimp ） ，從協同光信號轉導的角度解釋了低強度激光的信息功能。
  3. In order to study the characteristic signals according to the quality of the welding with dissimilar gaps, the self - made real - time monitoring system with coaxial sensors is applied to acquire and extract coaxial signal, and then the signals are analyzed with modes analysis, subsection power analysis and wavelet analysis

    摘要為了研究不同間隙下激光拼焊的焊縫質量及其對應的信號特徵，採用自製同軸傳感系統採集提取多種間隙下焊接時的同軸光信號，並對信號進行眾數分析、分段功率譜分析和小波分析。
  4. The use of interferometer to detect and analyze laser radiation is well known, but when the intense ratio of the laser radiation to the background natural light radiation is too small, the laser radiation cannot be detected. a novel more sensitive method for detect of wideband weak incident laser in strong background noise is introduced in this paper. the optical unit uses two wedge interferometers and two line array detectors. the incoming light radiation is divided into two beams and through the interferometers

    在被動激光偵察告警中，對微弱脈沖激光信號的探測是一個難點。當探測距離相當遠或視場內接收的背景光輻射很強時，脈沖激光信號到達探測器的能量很小，會淹沒在強大的背景光信號中而探測不到。本論文提出了一種探測微弱脈沖激光信號的方法，可對強烈背景光中的激光威脅信號進行探測和告警，並給出其波長參數。
  5. Laser terminal guided projectile, a kind of artillery precisely guided shell, which combines laser technology with electronics and flying control technologies, can guide the shell by laser signal in the terminal stage of the trajectory to track and attack the point target accurately

    激光末制導炮彈是炮兵用於遠戰的一種精確制導炮彈。它集激光技術、電子技術、飛行控制技術於一體，在飛行彈道末段依靠激光信號引導，能準確地跟蹤並攻擊點狀目標。
  6. The thesis analyses the problems on the noise of apd photoelectric receiving system. author designs apd laser signal receiving system circuits, front amplify circuit, controlling time - series logic circuits, dc / dc transform circuits. and takes apd bias voltage fuzzy control

    分析了apd光電接收系統的噪聲問題，並對apd激光信號接收系統電路、前置放大電路、控制時序邏輯電路、 dc / dc變換電路進行了設計，採取了apd偏壓模糊控制。
  7. The article analyses wide angle laser signal receiving system and the receive sensitivity of system, and studies the problems on circuits designing of laser receiving system

    對廣角激光信號接收系統和系統的探測靈敏度進行了分析，研究了激光接收系統電路設計問題。
  8. The performance of the probe has an important effect on the performance of the biosensor. therefore, it is critical for advancing the detection sensitivity of the biosensor to design and optimize the structure of the probe to improve the excitation and collection efficiency

    光纖探針的性能對光纖生物傳感器的整體性能有著極為重要的影響，如何設計並優化光纖探針結構以提高熒光信號的激發和收集效率，將成為提高光纖倏逝波生物傳感器探測靈敏度的關鍵。
  9. Photoinduced birefringence and holographic recording were performed by using ar laser ( 488 nm ) as writing beam and he - ne laser ( 632. 8 nm ) as reading beam

    寫入光為線偏振壯離于激光，讀出光為線偏振he ne激光，信號山ccd多道分析器接收。
  10. The evanescent wave - based optical fiber biosensor uses the evanescent wave which is produced when light propagates in the fiber probe to excite the fluorescence signal

    光纖倏逝波生物傳感器系統中，利用激光在光纖探針中傳播時產生的倏逝波來激發熒光物質，產生熒光信號。
  11. By the former experiment, we know that the fiber optic gas sensor with the pulse light of the blue light led can emit the steady fluorescence. so we can detect the density of oxygen through

    技術方案上採用數字脈沖激勵led藍紫光源照射敏感元件獲得穩定的熒光信號，再通過測量熒光壽命檢測氧氣濃度。
  12. Secondly, basing on the theory of on - off gain of small signal, the raman gain coefficient for frequency shift between 0. 5 and 20 thz of standard sigle mode optical fiber is measured by pump - probe method through a super luminescent diode ( sld ) as a broadband small signal probe source. thirdly, numerical simulation analysis of gain characteristic of raman fiber amplifier for c band wdm signal light is made according to the raman gain coefficient of the fiber measured before through target and four rank runge - kutta method. at the invariability of wavelength and maximum power of each of two pumps, schematic of powers of two pumps for best flatness on c band wdm optical gain was found out, at the same time, the factors of resulting in gain saturation is analyzed, too

    本文首先應用經典的電磁理論對拉曼光纖放大器的工作機制進行了分析，然後，根據小信號理論推導出的開關增益求出了光纖拉曼增益系數的表達式，採用泵浦-探測波的方法，利用超輻射激光二極體（ superluminescentdiode簡稱sld ）作為探測光源，測量了所用標準單模光纖頻移為0 . 5 - 20thz的拉曼增益系數，之後根據所測得的光纖的拉曼增益系數譜對應用該類光纖構成的放大c波段wdm光信號的拉曼光纖放大器的增益特性採用打靶法和四階龍格- - -庫塔進行了數值計算，在給定了兩個泵浦光源的波長和最大功率后，找出了反向泵浦情況下使c波段wdm光源增益最平坦的兩個泵浦的各自最佳功率，同時也分析了導致信號光飽和的原因。
  13. In this paper the dithering of beam light, the undulating of beam intension, spread of the beam light and the dithering of image are introduced

    摘要文中介紹了激光信號通過隨機大氣通道時，大氣湍流效應造成了光束抖動、強度起伏，光束擴展和像點抖動等現象。
  14. Considering space environment of laser atmospheric communication, the thesis analyses issues of atmosphere turbulance and interference of background light noise during the course of transmission, furthermore, discusses the structure and basic constitute of the laser atmospheric communication system. combining the technical index requirement of the subject, it provides design scheme and circuit of the transmitting and receiving system

    論文從激光大氣通信的空間環境出發，對光信號傳輸過程中通道中的大氣湍流和背景光噪聲干擾問題進行了分析，並在此基礎上論述了激光大氣通信系統的結構和基本組成，結合課題的技術指標，給出了發射和接收系統的設計方案及其電路實現。
  15. The laser source was modulated by the modulation circuit, so that the fluorescence signal was modulated

    信號調制電路通過對傳感器系統的激光光源進行調制來調制熒光信號。
  16. Two wedge interferometers are designed that the thickness of one is higher than the other. so when the incident coherent light through the interferometers can acquire two fringe patterns which having space shift, but the incident incoherent light only result in consistent intensity signal. through a differentiating amplifier, two signals subtract which can eliminate noise of background and result in higher contrast ratio fringe signals. this method largely improves the system and the ability of detection. the spacing of line fringes is a function of incident laser wavelength, by analyzing, we can extract the wavelength of incident laser. the optical unit analyzing and results also simulated with matlab

    當背景光入射時，直接穿過干涉儀，僅發生強度的衰減，在兩個探測平面上產生幅度基本一致的灰度信號，通過差分放大器，相消為零，從而抑制了背景干擾。當激光信號入射，穿過干涉儀時受到調制，在探測平面上產生干涉條紋。通過所設計的存在平均厚度差的雙楔形干涉儀，兩路干涉條紋圖案出現相對移位：在兩個探測平面對應的位置上，一路出現亮紋，另一路出現暗紋。
  17. A confocal laser induced fluorescence detector based on a 635nm laser diode is established for use with the micro fluidic, capillary electrophoresis chip in the study. the photo multiplier tube is employed for the detection of the fluorescence and the a / d card for sampling signal

    該檢測器採用635nm半導體激光器作為光源，通過共焦光路收集熒光信號，經高性能的濾光片濾光，由光電倍增管進行光電轉換，再由a / d卡將信號輸入到計算機中。
  18. Coherent laser signal

    相干激光信號
  19. To solve the weak target detection under the clutter background, combined with dynamic chaotic model, the chaotic property of the laser echo signal is discussed and a novel algorithm is presented based on chaotic signal detection using neural network predictor

    摘要為了解決雜波背景下的激光微弱目標檢測的問題，結合混沌動態建模思想，討論了激光回波的混沌特性，提出激光信號非線性混沌序列的神經網路建模、預測及信號檢測演算法。
  20. We introduced particularly a series of methods for improving reliability, disturbance resistance, scanning scope and location precision, such as : using modulate laser, designing bandpass filter, zooming out signals and using a special circuit to get rid of disturbances. after that, the effective signals enter into the spring - circuit and touch off it, then the data register lock the codes, so the codes are read into single chip and are sent to the computer for the location. finally, many experiments about disturbance resistance, scanning scope and location precision have been done

    為了提高導航定位系統的可靠性、抗干擾性、掃描范圍及定位精度，使其具有良好的穩定性，而採取了一系列技術措施，包括：採用調制激光信號；設計帶通濾波器和信號的整形處理電路；採用門限技術剔除干擾；並採用單片機系統對採集到的各類信號進行綜合處理與管理；建立了基於合作路標的位置計算方法和數學模型，實時通過串列通訊送到上位機，以便上位機對數據進行處理，從而進行定位計算。
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