調諧室 的英文怎麼說
中文拼音 [diàoxiéshì]
調諧室
英文
tuning house-
With the development of science and technology, more and more oxide crystals are synthesized by more and more advanced technique, the new oxide crystals are incessantly synthesized and the new characters of oxide crystals are incessantly founded. corundum dopped with impurity not only is cherished because of it ' s beautiful appearance, but also is used in the fields such as electrotechnics, mechanism, laser, the optic apparatus and the underlay of semiconductor. sapphire dopped with ti3 + is the best material of the tunable solid laser. zno crystal is material of the direct gap semiconductor ( the width of forbidden band : 3. 37ev ). the excited emission in zno crystal at room temperature has been found, so the ultraviolet luminescence in zno semiconductor can be acquired at room temperature
含有少量雜質的剛玉晶體（ - al _ 2o _ 3 ）不僅由於其色澤艷麗成為人們珍愛的名貴寶石，而且由於它具有的優異性能，被廣泛應用於電工、機械、激光器，光學器件和半導體襯底材料。鈦藍寶石是目前最優異的固體寬帶調諧激光材料，用於製作飛秒脈沖可調諧激光器。氧化鋅晶體是直接帶隙寬禁帶半導體材料（禁帶寬度3 . 37ev ） ，現已發現具有室溫下受激發射特性，有可能實現室溫下半導體紫外發光。Methods of measurements on receivers for satellite broadcast transmission in the 12 ghz band. part 3 : electrical measurements of overall performance of receiver systems comprising an outdoor unit and a dbs tuner unit
12 ghz波段衛星廣播發射用接收機的測量方法.第3部分:包括一臺室外裝置和一臺直播系統調諧裝置的接收系統總性能的電測量It also gives the motive of the ka - band vco and mixer, associated with the subject ' s requirement and the realistic conditions, according to which a proposal is confirmed that the gunn diode and the varactor are mounted in the same cavity to fulfill the vco and an antiparallel diode pair is used to fulfill the harmonic mixer. in chapter 2, based on the basic theory of negative resistance oscillating, we analyses the gunn oscillator and it ’ s tuning character. chapter 3 introduces the theory of millimeter - wave harmonic mixer
以此為根據結合課題需要和實驗室的實際條件，確定vco採用耿氏管腔體振蕩器形式，變容管與耿氏管安裝在同一個腔內以進一步減小體積，採用反向並聯二極體實現諧波混頻;第二章介紹負阻振蕩器理論及其調諧原理;第三章介紹毫米波諧波混頻器基本原理;第四章給出了振蕩器及諧波混頻器的設計過程，整個組件聯調的結果;最後是結束語，分析了電路中存在的問題，指出了改進方向。It shows that the active channel with sizeable optical gain and a substantial increase of the refractive index are promising for the realization of active waveguide tunable laser
研究表明，室溫下有源溝道具有較大的光增益和折射率增量，有望實現可見波段的可調諧有源光波導激光器件。Antenna tuning house
天線調諧室The pst thin films which have high tunability and fom were fabricated successfully. the tunability of pb0. 4sr0. 6tio3 thin film is about 83 % ~ 85 % under the 100 khz, and keep constant with the change of frequency
Pb04sr06tio3薄膜室溫下的可調諧量在100khz以下頻率范圍可達到約83 %一85 % ，且隨頻率的變化可調性基本維持在這一范圍，變化不大。It adapts to be used in the foul and hazardous environment. the hardware of this apparatus is designed, such as light path design, gas chamber fabricating and light source drive
文中詳細討論了光纖傳感二氧化硫氣體濃度檢測儀的硬體設計，進行了光路、氣室的設計，並詳細分析和討論了光源的驅動及其穩定性、光源的調制、諧波信號的拾取和處理等問題。分享友人