紅外頻率 的英文怎麼說

中文拼音 [hóngwàibīnlǜ]
紅外頻率 英文
infrared frequency
  • 紅 : 紅Ⅰ形容詞1 （像鮮血或石榴花的顏色） red 2 （象徵順利、成功或受人重視、歡迎） symbol of success lu...
  • 外 : Ⅰ名詞1 （外面） outside; external side 2 （外國） foreign country 3 （以外） besides; beyond; in ...
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 紅外 : infrared紅外報警裝置 infrared warning device; 紅外測雹 infrared detection of hail; 紅外測繪 infra...
  • 頻率 : frequency; rate
  1. It is transparent in a region from the visible to the infrared range ( 0. 45 - 13 ? m ) and has a fitful birefringence and a large nonlinear coefficient. aggas2 crystal can be made to be octonary device, difference - frequence device and parametric oscillator, and laser sources of different frequences in 1. 8 - 11 ? m band can be provided

    其紅外透波范圍寬（ 0 . 45 - 13 m ） ，具有適宜的雙折射率和大的非線性系數，可製成倍頻、差頻和光參量振蕩器件，在1 . 8 - 11 m范圍內可提供多種頻率的激光光源。
  2. Its principle is : a laminated structure ( beam or plate ) with delamination consists of undelaminated region and delaminted region which can be divided to upper and lower parts. when a low - amplitude and high - frequency excitation has the frequency close to some part ' s natural frequency, this part will resonate and certain amount of mechanical energy will convert to heat so that the delaminated region ' s temperature exceeds greatly that of the undelaminated region. therefore the delamination can be located by means of infrared thermograph

    其原理是具有脫層的層合材料構件（梁或板）包含脫層區域及未脫層區域，脫層區域分為上下兩部分，若對層合材料構件施加小振幅、高頻率的振動激勵，當激勵頻率恰好接近其中一部分的固有頻率時，該部分就會產生共振響應，部分機械能將轉化為熱能，使脫層區域的溫度遠高於未脫層區域，藉助紅外熱像儀即可顯示出脫層的位置。
  3. Based on the crystal structure of astrophyllite, we examined the infrared spectra of monoclinic and triclinic astrophyllites, contrast the infrared spectral features of both astrophyllite minerals, and discuss the assignments of infrared absorption frequencies

    在新測定的星葉石晶體結構資料的基礎上，對星葉石礦物進行了詳細的紅外光譜研究，對比了單斜及三斜星葉石的紅外光譜特徵，並對星葉石中紅外吸收振動頻率的歸屬問題進行了討論。
  4. Transmission characteristics of far - infrared frequency selective surface

    遠紅外頻率選擇表面的傳輸特性分析
  5. Malfunctions can be diagnosed using infrared thermography without affecting the work state of tested equipments, thus the diagnostic accuracy can be improved. infrared thermography, just as often, improves electronic fault diagnosis by isolating the malfunction to specific areas of the circuit board, what is more, it usually does point directly to the failing component. thermography even can rapidly diagnose up to hundreds of elements on one pcb at one time, without requiring the operator to know the circuit principle very well, which can reduce the workload greatly

    紅外故障檢測儀可以對電子設備進行在線測量，檢測時不會影響待測設備的正常工作和頻率特性，這對高頻電路的檢測尤其方便，且能提高診斷的準確性;他通常能指出電路板上的故障區域，甚至經常能直接找出故障元器件，這樣就提高了維修質量;並且能在不需要檢測人員對電路原理有深入理解和分析的情況下，對同一塊電路板上的數十隻甚至數百隻器件同時進行快速診斷，這就大大減少了維修人員的工作量，提高了維修人員的工作效率。
  6. All - solid - state laser is an advantage lamp - house. it has many important applications and potential commercial value in many fields, such as industry, scientific research, military. so it ' s always the research focus of laser field. diode end - pumped solid - state laser has many merits. including high efficiency, long lifetime, high frequency stability, narrow line width, compact configuration, convenient for use et al, which made her a necessity in many high level quantum optics experiments. in this thesis, a series of experiment research was done with regard to blue laser, green laser and infrared laser

    激光二極體端面泵浦的固體激光器具有效率高、譜線窄、壽命長、結構簡單、使用方便等優點，特別是採用環行諧振腔內加光學單向器構成的單頻激光器，由於頻率穩定，使其成為許多高水平量子光學實驗的主要光源。本論文圍繞全固態單頻藍，綠，紅外激光器進行了一系列實驗研究工作。
  7. Thermal radiation ranges in frequency from infrared rays through visible light to ultraviolet rays

    熱輻射的頻率范圍從低頻的紅外輻射到高頻的紫外輻射。
  8. Firstly, under the assumption that the output driving torque generated by the stepper motor of the mirror is constant, such influence analysis is conducted. secondly, a mathematic model of the stepper motor is given. under the assumtion that the input impulse frequence is constant, the rotational motion of the stepper motor of the mirror with the mutual exertions of damping torque, friction torque and disturbance torque generated by satellite platform ' s attitude motion is simulated and analyzed

    對衛星平臺姿態振動對紅外相機掃描機構轉動的影響進行了系統深入的模擬分析:首先在步進電機驅動力矩一定條件下，模擬分析了星體姿態運動干擾力矩對紅外相機掃描鏡轉動的影響;接著建立了步進電機的數學模型，在步進電機輸入脈沖頻率一定條件下，模擬分析了步進電機在阻尼力矩、干摩擦力矩、平臺干擾力矩等負載轉矩的共同作用下的轉動情況。
  9. The methods to realize left - handed medium are reviewed, including combination of split ring resonators ( srrs ) with thin metal wires, and those beyond srrs

    本文從理論構想和實驗兩個方面對左手材料做了詳細的綜述，圍繞負折射頻率從微波到近紅外的研究進展這一主線，具體介紹了實現左手介質的方法。
  10. A infrared system with which can detecte the pulse of human. because human body are semitransparent, and the transparence of it change along with the heart beat. the infrared sensor can detecte the change, we may tanslate the signal from sensor into a digital form by a cmos ic. when the signal change into a digital form, another ic can get the rhythm of the heart from the analog ic. this article designed the anologe ic which got the sensor signal into digital form

    本論文完成了一個基於反射型紅外線傳感器的cmos模擬專用集成電路的設計，它構成的紅外系統具有探測心跳頻率的功能。設計根據人體組織的半透明度會隨心臟跳動而變化的特點，由傳感器探測到這一變化，通過專用集成電路將信號放大並利用，獲得心跳頻率。本模擬晶元結合數字電路可計算即時心率或統計心跳總數。
  11. Method of measuring spectral emissivity of ceramic radiating materials for infrared heaters by using ftir

    用ftir測量紅外線加熱器的陶瓷輻射材料頻譜發射率的測試方法
  12. A coherent electromagnetic pulse in the range between the far - infrared and microwave region is used as a detection source. the amplitude of the wave is recorded by electro - optical or photoconductive sampling. after fast fourier transform, the amplitude and phase of the wave is given, then the complex refractive index standing for the absorption and dispersion of the material in thz region is extracted

    Thz （ 10 ~ （ 12 ） hz ）時域光譜技術是20世紀90年代發展起來的一種新型的光譜測量技術，它使用頻率介於遠紅外和微波之間的相干電磁輻射脈沖作為探測源，利用電光取樣或光電導取樣的方法直接記錄thz輻射電場的振幅時間波形，通過傅立葉變換得到測量信號振幅和相位的光譜分佈，進而獲得材料在thz波段的復介電常數，即色散及吸收等信息。
  13. Infrared absorption frequencies

    紅外吸收頻率
  14. First and second band - gap filters amplify small signals and shift direct current voltage, which filter interference and noise by frequency. then, comparator restrains noise and interference through 700mv voltage window

    兩級帶通濾波放大器對熱釋電紅外傳感器採集人體的微弱小信號進行交流放大和直流電平的轉換，並根據頻率對噪聲和干擾進行過濾。
  15. 39 % of total conversion efficiency at pump level of 600mw 858nm is obtained experimentaily with our single - resonant, external ring frequency - doubler pumped by tr. sapphite laser at room temperature ( about 21. 50c ). the conversion efficiency is seriously limited by what is called " blura " ( blue light induced infrared absorption ) and thermal effects. yet, up to 137 mw of cw blue light at 429nm at pump level of 565 mw has been achieved and stabilized over a hour when the cavity is locked via pound - drever - hall ( pdh ) technique

    泵浦功率為600mw時，由於兩種效應「藍光導致紅外吸收（ bliira ） 」和「熱效應（ thermaleffects ） 」的嚴重影響，室溫下（約21 . 5 ）獲得了39的倍頻轉換效率；採用邊帶鎖頻技術， 565mw的泵浦光獲得137mw的藍光輸出，在沒有外界強烈的干擾下可以鎖定1小時以上而不失鎖。
  16. As for frequency domain, tirls includes mainly 3 frequency bands : ( 1 ) high frequency band with period less than 1 year, which is relative to weather ; ( 2 ) mid frequency band with predominant period 1 year, relative to sun, plant and season ; ( 3 ) low frequency band with period more than 1 year, relative to the crustal activity and long period variation of atmosphere temperature

    從頻率域看，地表熱紅外輻射主要存在3種頻段： （ l ）高頻，周期小於1年的天氣變化； （ 2 ）中頻，以1年周期為主的太陽、植被與季節變化； （ 3 ）低頻，大於1年周期的大氣變化的長周期成份，地殼緩慢的運動引起的熱輻射變化亦屬于長周期變化。
  17. It is proved to be a good method and experimental results are given in this paper. aiming at the difficulty that there are pure long time delays of tracking error of tv tracker and infrared tracker, theoretic analysis of influence of delays to the tracking performance is given based on the type system

    同時，針對系統中紅外和電視脫靶量具有較大延遲的問題，首先以典型型系統為例，理論上詳細分析了延遲對跟蹤性能的影響，給出延遲時間與系統開環截止頻率的對應關系。
  18. In this paper, tiris is decomposed into 3 exclusive frequency bands mentioned above by wavelet method

    本文運用小波理論將地表熱紅外輻射分解為上述3個頻率成份，並結合氣象資料和地震活動進行綜合分析。
  19. The experiment result accord with the theory ' s. when the transmission rate of output mirror equal to 4. 9 percent. the output power is 1w. the slope efficiency is 54. 1 %

    我們用透射率t = 4 . 9的鏡片作為輸出鏡，當泵浦功率等於2 . 2w時，最大單頻紅外激光輸出為1w ，斜效率為54 . 1 。
  20. Any of several devices that convert incident electromagnetic radiation of mixed frequencies to one or more discrete frequencies of highly amplified and coherent ultraviolet, visible, or infrared radiation

    激光器使偶然的混雜頻率的電磁輻射，變為一個或更多的高度強化和連續的紫外線、可見光或紅外線輻射的分離頻率儀器中的一種
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