低噪聲探測器 的英文怎麼說

中文拼音 [dīzàoshēngtàncèqì]
低噪聲探測器 英文
low noise detector
  • 噪 : 動詞1. （蟲或鳥叫） chirp 2. （大聲叫嚷） make noise; make an uproar; clamour
  • 探 : Ⅰ動詞1 （試圖發現） try to find out; explore; sound 2 （看望） call on; visit; see 3 （向前伸出）...
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 器 : 名詞1. （器具） implement; utensil; ware 2. （器官） organ 3. （度量; 才能） capacity; talent 4. （姓氏） a surname
  • 探測器 : finder; detector; seeker; sounder; probe
  • 探測 : survey; search; sound; probe; sounding; detection; acquisition; reconnaissance; localization; fin...
  1. On the base of studying imaging theory of lens, the imaging theory of laser confocal scanning microscopy was analyzed in detail in this paper, and the advancement of that the optical fiber was applied to the system was described ; on the base of completed the demonstration for whole project, the experiment scheme was designed ; the relationship between the main parameters of key devices and the resolution was deduced, and the requirements of coupling efficiency and vignetting effects to optical system was analyzed ; the design of optical system and the planar scanning controlling circuit was completed ; a new method was put forward to resolved the inherent non - liner scanning problem of the galvanometer scanner by using software liner controlling in circuit design, and the perfect planar scanning was realized ; at last the low noise, high multiple and non - distortion amplify circuit of photoelectric detector was completed

    本文在透鏡成像理論的基礎上，系統、深入地分析了共焦掃描顯微成像的機理，論述了應用單模光纖的激光共焦掃描顯微成像系統的優點；進行了總體方案的論證，並設計確定了單模光纖激光共焦掃描顯微成像系統的總體方案；從理論上推導分析了解析度要求與試驗系統中相關器件主要參數之間的關系，分析了系統耦合效率和漸暈現象對光學系統的設計要求；完成了方案中光學系統和二維掃描控制電路的設計，並在電路設計中採用了用軟體解決檢流計式光學掃描器（振鏡）非線性問題的新方法，能夠實現較為理想的二維模擬掃描；完成了高增益、低噪聲和低失真的探測接收系統的設計和調試。
  2. Non - uniformity correction approach is one of the key technique in steering focal plane array imaging system

    凝視紅外成像系統中的探測器非均勻性校準（降低固有空間噪聲）技術是一項處在探索過程中的關鍵技術。
  3. - ray at room temperature got 40 %. the results show that the modified growth technique is a new and promising method for grow ing highly purity and perfect cdse single crystals, and by improving the technique of single crystals growth and fabricating process, the resolution of cdse detectors can be improved further

    晶體生長和探測器制備工藝技術是制備性能優異的探測器的基礎，因此，通過不斷改進晶體生長過程和探測器的制備工藝技術，可以制得低背景噪聲、性能穩定及能量解析度較高的cdse室溫核輻射探測器，這也是需要進一步研究和提高的地方。
  4. As umbirfpa is a new type of infrared detecting device, its work principle is complex and its performance is affected by many factors. in the initial stage of developing, the design experiment and theoretical understanding are little interiorly. furthermore, the problems such as sensitivity reduced, dynamic range shortened, nonuniformity increased come forth if umbirfpa is not designed properly

    Umbirfpa是一種新型的紅外探測器件，微測輻射熱計的工作原理復雜，其性能受到很多因素的影響，目前國內尚處于發展初期，缺少實際的設計經驗和理論認識，同時umbirfpa又是在集成電路工藝線上生產的，投資大、周期長，如果設計不當，不僅可能導致靈敏< wp = 13 >度降低、動態范圍縮小、噪聲增大、非均勻性增大等問題，更可能的是根本就不能用於成像，從而造成很大損失。
  5. The simulated results show that we can improve the sensitivity by setting the optical bias at / 2, reducing the gap of electrode, increasing the overlap integral factor, reducing the insert lose, adopting suitable segmentation number, increasing the electrode length, increasing the optical power, reducing the wavelength and the relative intensity noise and reducing the receive bandwidth ; obtain the wider bandwidth utilizing reducing the electrode length and the capacitance of modulator, segmentation the electrode ; increase the dynamic range using lowering noise, increasing the optical power at the detector and lower optical bias

    通過計算得知，使傳感器相位偏置為/ 2 ，減小電極間距，提高電光重疊因子，減小器件插入損耗，採用合適的分段數，增加電極長度，增大光功率，降低激光的波長，減小相對強度噪聲，減小接收帶寬，對提高靈敏度的效果是非常明顯的。而減小天線長度，降低調制器電容，電極分段，都可以獲取較大的帶寬。降低系統噪聲;增加到達探測器的光功率，採用較低的光學偏置，都可以增大線性動態范圍。
  6. Secondly, a method which can prejudge the gain and noise figure of the low noise amplifier ( lna ) is put forward. with this method, we can prejudge the feasibility of lna design once the s - parameter and noise parameter of the device are gained. the design process is considerably simplified compared with traditional methods

    隨后對低噪聲放大器進行了探討，提出了一種可預測增益和噪聲系數的方法，只要知道器件的s參數和噪聲參數，就能對放大器設計的可行性進行預測，相對于傳統作法，設計過程得到了大大簡化。
  7. So in this paper, the principle of electroptical non - invasive dual - ray methods are fist present in detail. in the theorem of simple structure and low power consumption, we select detecter with fitble wavelenth and low power msp430 processor, and design high stable ray - emitt circuit, low noise pre - amplifier, background disturbance counteract circuit, the signal are low - filtered and sent to msp430 " a / d transform directly to digital signal processing

    為此，本文詳細分析了光電無創雙光束法測定脈搏血氧飽和度的基本原理，在結構簡單，功耗小的原則下，選用合適發光波長的探頭和信號處理器，設計出光強穩定的發光電路，低噪聲前級，以及本底干擾對消電路，通過兩級低通直接送至ti公司的超低功耗混合信號處理器msp430進行a / d變換得到原始的數字信號。
  8. This paper studies the design methods and techniques of the broadband lna. using negative feedback techniques and lossy match method, a broadband lna acceptable for sdr is presented. the measured results showed that over 30mhz ~ 3000mhz, the lna achieved a maximum noise figure of 2. 0db, a power gain of 22db with gain flatness of less than 2. 0db

    本文最後對寬帶低噪聲放大器的設計方法進行了詳細探討，並運用負反饋技術和有損匹配的方法，研製了一種適合軟體無線電應用的寬帶低噪聲放大器，經測試，在30 3000mhz頻率范圍內，噪聲系數nf 2 . 0db ，增益g = 22db 2 . 0db 。
分享友人
分享到 Line

分享到臉書