tunable filter 中文意思是什麼

tunable filter 解釋
可鄧波器
  • tunable : adj. 1. 可調音的。2. 能合調的；能發出和聲的；和諧的，音調優美的；悅耳的。3. 【無線電】可調諧的。
  • filter : n 1 濾器，濾紙，過濾用料[砂、炭等]。2 【無線電】濾波器；【物理學】濾光鏡，濾色器。vt 過濾，用過濾...
  1. A coplanar waveguide tunable bandpass filter using ferroelectric thin film

    基於共面波導傳輸線的鐵電薄膜可調帶通濾波器
  2. Si - based thermal - optical resonant - cavity tunable filter

    共振腔型可調諧濾波器
  3. 3. passive and active time - domain demodulation schemes were demonstrated based on a fiber bragg grating used as a tunable filter controlled by a piezoelectric stack, which was driven by an electrical sine wave signal. the measured strain applied on the sensor axially could be judged by observing the interval of the output between notches within a driving period in time - domain

    利用匹配濾波技術，分別採用無源和有源方式，藉助受pzt驅動的解調光柵，將待測應變信息變為時序負脈沖間隔的變化，利用常規的示波器觀測同一掃描周期中兩負脈沖在時域中間隔的變化來確定待測應變的變化。
  4. Acoustooptic deflector is the significant component of the optical devices such as integrated optical spectrograph, tunable filter, scanner, convolver, correlator and optical switch etc. acoustooptic deflector can be divided into collinear and non - collinear, bulky and wave - guided, body devices and surface devices

    聲光偏轉器是集成光學頻譜儀、可調諧濾波器、掃描儀、卷積器等光學器件的重要組件、聲光偏轉器可分為共線式和非共線式、塊體型和波導型以及體波器件和表面波器件。
  5. High quality epitaxial sto / ybco multilayers can be fabricated due to their similar crystal structure and small lattice parameters mismatch. the filter made from sto / ybco thin films shows high tunable speed, low microwave loss and high power handling capability. so sto / ybco multilayers have attracted much interests for electronically tunable filter in the last decade

    因此，利用高質量sto / ybco外延薄膜研製的濾波器具有響應速度快、微波損耗低、調諧范圍大、承載功率高等優點，是一種極具競爭力的電調濾波器技術方案，也是當前的研究熱點和開發重點。
  6. Movable infrared tunable micro filter, 8x8 moems optical switch array and micro electromagnetic actuator used as driver of moems movable device are separately explored in chapter three. firstly, the infrared tunable micro filter is designed according to theory analysis of micro tunable grating

    論文用三章的篇幅分別對微型可調諧紅外濾光器、 8 8moems陣列光開關等可動器件及作為moems可動器件驅動源的微型電磁驅動器進行了探索。
  7. As the key component of multiplexer / demultiplexer, optical filter technology has been fueling great interest with the emergence of wide range tunable laser source, all - wave fiber, and wide band optical amplifiers, which is promoting dwdm to a leading edge of optical fiber communication

    隨著寬可調諧激光光源、全波光纖和超寬帶光放大器的出現，密集波分復用日益成為光纖通信的主流技術，作為復用/解復用器核心的光濾波技術備受關注。
  8. The tunable performance is obtained by rotating the grating. the disadvantages of the mechanical tunable filter are high control voltage, slow response time and big volume. the electro - optic tunable filters are obtained by the alteration of the birefringence of the electro - optic material applied voltage

    電子光學濾光片則是通過施加電壓使各種電子光學材料的雙折射率發生變化來實現透射波長的調諧，也可以利用電光晶體在電場中的旋轉來實現波長的調諧。
  9. Contrast study of some ty pical demodulation methods is made in this paper and method of fiber fabry - perot tunable filter ( ffp - tf ) is confirmed

    針對以上問題，採用了一種基於dsp和cpld的信號處理卡，實現了數據的實時高速處理和傳輸。
  10. The mechanical tunable grating filter is realized by a grating and a rotary section. the angle between the incident light and grating is the decisive factor of the transmit wavelength

    如：機械調諧的可調光柵濾光片，光柵安裝在一個旋轉部件上，光柵與入射光的夾角決定了所需要選擇的波長。
  11. In this system, a tunable fiber fabry - perot ( f - p ) filter is used to detect the changes of the wavelengths of the fbgs, then both the tunable control signal and the signal indicating the changes of the wavelength transmitted by an a / d electric transmission circuit are input into computer. the corresponding changes of the measurands can be obtained by filtering, analysising and processing the experimental data by using the computer information process system

    該系統採用可調諧光纖fabry - perot濾波法對fbg波長變化進行解調，通過a d轉換電路將調諧控制信號和波長變化的信號送入計算機並口，經過計算機信息處理系統的濾波，分析，處理，可得到相應被測參量的變化。
  12. In this system, a tunable fiber fabry - perot ( f - p ) filter is used to detect the changes of the wavelengths of the fbgs, then both the tunable control signal and the signal indicating the changes of the wavelength transmitted by an a / d electric transmission circuit are input into a high speed sampling card

    該系統採用可調諧光纖fabry - perot濾波法對fbg波長變化進行解調，通過a d轉換電路的調諧控制信號和波長變化的信號送入高速采樣卡，經過計算機信息處理系統的濾波，分析，處理，可得到相應被測參量的變化。
  13. 4. a 8 - cascaded wavelength - division - multiplexed fiber bragg grating sensor system was interrogated by changing voltage acting on a employed tunable fabry - perot filter, and a feedback loop was introduced to make filter track the shifted wavelength of the sensor. at the same time an unbalanced scanning michelson interferometer was introduced to demodulate sensor signal

    同時為克服查詢某一光柵時，應變引起波長漂移導致反射波長偏離f - p透過波長，利用一反饋控制裝置，使得濾波器的透過波長自動追蹤查詢光柵的布一拉格波長，利用非平衡掃描michelson干涉儀對傳感信號進行了高解析度的解調。
  14. The interrogation of fiber grating sensor with tunable fbg filter system controlled by computer is well introduced. by using this interrogating method, we finished experiment of fiber grating sensor wdm and sdm

    詳細闡述了使用自行設計的計算機控制的可調諧濾波系統，進行傳感解調工作，並完成了光纖光柵傳感的空分復用和波分復用解調實驗。
  15. Together with the test of its basic performance, a programmable filter using the designed chip and two saw filters, whose center frequency and bandwidth can be adjusted, is also built and tested. the test results show that, the minimum insertion loss is - 5. 2 - 10. 5db, with the maximum isolation loss lying between - 40. 5 - - 23. 4db, and the maximum continually tunable dynamic range is 21. 3db, from 50mhz to 250mhz

    測試結果表明：在50 250mhz的工作頻段內，該電路導通時最小插入損耗約為- 5 - 10 . 5db ，關斷時隔離度可達- 40 . 5 - 23 . 4db左右；其連續可調的加權動態范圍最大值為21 . 3db 。
  16. In the fifth chapter, the performance of transconductor - capacitor ( gm - c ) continuous time filter is discussed. due to process variation and parasitics, an automatic tuning is designed for center frequency and quality factor q. also, in this chapter, a two order bandpass filter with tunable is designed. the effects on filter ' s performance of the non - idealities of a cmos ota are studied and the computer simulations at the mos transistor level are carried out

    第五章討論了跨導電容連續時間濾波器的性能特點，設計了一個中心頻率可調的二階帶通濾波器，為了使濾波器參數自動調整到設計標準值，從而保持其設計值的實現精度，論文給出了片內自校正（可調諧）環節。
  17. Integrated acoustic - optic tunable filter ( iaotf ) with its high performance would have been applied universally and widely in oadm. in this paper, firstly we introduce the actuality of oadm

    本文首先介紹了oadm的現狀，並針對傳統用於oadm系統的aotf器件的缺點，提出了一種新型結構的集成光學可調諧共線聲光濾波器（ iaotf ）
  18. If certain wavelength can through the tunable filter and others are cut off, the data can be got correctly

    這種濾光片允許一個波長通過，阻止所有其它波長通過，這樣就能準確無誤的恢復數據。
  19. Among the tunable filter technologies of optical fiber grating sensors, the peak method is an usual way, but it has poor precision and the result is unstable

    摘要在光纖光柵傳感懸臂梁調諧濾波技術中，峰值法進行波長檢測誤差大，精度低，測量結果不穩定。
  20. Especially with the development of wavelength division multiplexing and dense wavelength division multiplexing systems which are to improve the transmission speed and capacity in optical fiber communication, tunable filter as an important device of such systems is caused attention by research department

    未來的光纖通信必以增大傳輸速度及容量為目的，而近幾年發展比較迅速的wdm及dwdm系統正是以此為目的，因此濾光片作為其中的一個關鍵部件成為研究的熱點。
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