調諧二極體 的英文怎麼說
中文拼音 [diàoxiéèrjítǐ]
調諧二極體
英文
tuning diode-
In addition, this paper numerically investigated the influence of the lumped parameters of the gunn diode on the frequency of the oscillation, and the tuning techniques of the oscillation frequency of the active antenna
本文還利用fdtd法數值研究了gunn二極體的集總參數對振蕩頻率的影響以及有源天線振蕩頻率的調諧技術。Laser diode or flash lamp pumped solid state lasers with different wavelength and different operating styles. wavelength tunable laser sources with tial2 o3 laser and optical parametric oscillator laser application machines with laser display, laser material procession
各種波長及各種運轉方式的激光二極體及閃光燈泵浦的固體激光器；採用鈦寶石及光學參量振蕩器的波長可調諧的激光光源；激光應用整機。Second - harmonic detection research with tuneable diode laser absorption spectroscopy
可調諧二極體吸收光譜痕量氣體濃度演算法的研究The working principle, characteristics and types of on - line tunable diode laser spectral analyzer are described. its development prospect is discussed
摘要介紹了可調諧激光二極體激光光譜分析器的工作原理、性能特點和結構形式，說明了該儀器在在線過程分析中的優勢，對其發展遠景作了討論。Concentration calibration method of ambient trace - gas monitoring with tunable diode laser absorption spectroscopy
可調諧二極體激光吸收光譜法監測大氣痕量氣體中的濃度標定方法研究The parasitic parameters of the encapsulated pin diode must be tuned because they do great harm to the switch performance
封裝pin二極體的寄生參量對開關的性能影響很大，必須對寄生參量進行調諧。In the system, a tunable dioxide laser is used as a sensor source, and the method of wavelength modulated is adopted, then concentration of gas is determined through detecting the generated second harmonic by opto - electronics converter
用可調諧二極體激光作為傳感光源，採用波長調制方法，通過對諧波信號進行光電探測可得氣體濃度。Using separate tuning components would make the circuit complex and difficult to realize, so with the help of the optimization methods, we use the stubs of the filter as the tuning components
本文藉助優化演算法，利用濾波器的短截線實現對pin二極體寄生參量的調諧，使短截線發揮了雙重作用，而且也克服了一般調諧元件不宜安裝、使電路結構變得復雜等缺點。First of all, single port negative impedance oscillator is analyzed in the thesis. a design method of gunn diode vco is introduced and an vco chip using gunn diode is fabricated. the substrate of the vco chip is gaas with dimension of 4. 4mmx3. 9mm
本文首先對單埠負阻振蕩器進行了分析，給出了gunn二極體負阻振蕩器的設計方法，設計出了一個變容管調諧平面微帶gunn二極體vco晶元，該晶元以gaas為襯底，尺寸為4 . 4mm 3 . 9mm 。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。Error analysis and improvement method of concentration measurement of trace gas in the atmosphere by differential optical absorption spectroscopy
基於可調諧二極體激光吸收光譜學對二次諧波檢測噪聲分析研究Harmonic components of the input current in method 2 is lesser than method 1, neglecting the losses and switching effects of the converter. the decreation of the harmonic components is not apparent, but different between method 2 and method 1, due to the influence of switch losses of the igbt, which is consisted of two igbt and two frd
當模擬模型中的雙向開關由兩個igbt和兩個快恢二極體組成時，由於igbt的開關損耗等因素對輸入電流的影響，在模擬得到的輸入電流頻譜圖中，諧波成分的減小不是很明顯，但調制策略方式2和方式1的諧波成分仍有所不同。Noise analysis of second - harmonic detection with tunable diode laser absorption spectroscopy
可調諧二極體激光吸收光譜二次諧波檢測方法的研究Methane detection research with tunable diode laser absorption spectroscopy
可調諧二極體激光吸收光譜技術及其在大氣質量監測中的應用The study of remote sensing ch4 concentration based on tunable diode laser absorption spectroscopy
波段可調諧二極體激光吸收光譜的二次諧波檢測研究The voltage - controlled oscillator and the dual - modulus prescaler are the most crucial blocks in the pll frequency synthesizer. two kinds of voltage - controlled oscillator ( the quadrature voltage - controlled oscillator based on symmetrical spiral inductors and differential varactors, and the voltage - controlled oscillator with wide tuning range based on mos varactors ) and two kinds of prescaler ( the prescaler using phase - switching techniques, and the prescaler using dynamic circuit techniques ) are proposed. then, the complete pll frequency synthesizer is implemented, in which
壓控振蕩器和雙模預分頻器是鎖相環型頻率合成器中最關鍵的兩個模塊，本論文分別實現了兩種類型的壓控振蕩器（採用對稱螺旋型電感和差分二極體型容抗管的正交壓控振蕩器和使用mos型容抗管的大調諧范圍壓控振蕩器）和兩種類型的雙模預分頻器（使用相位開關技術的雙模預分頻器和使用動態電路技術的雙模預分頻器） 。This paper realized frequency modulation using the video signal to directly control the resonance loop ' s diode of the vco at the early stages, and then through using radio frequency bipolar junction transistor, designed a lc voltage controlled oscillator which was emulated by advance design system. in addition, it also implemented the design and debugged the hardware circuit
本文第一次實驗採用視頻信號直接控制vco諧振迴路變容二極體的方式實現頻率調制，並且利用射頻雙極性晶體管（ bjt ）設計了一種lc壓控振蕩器，通過ads軟體進行了參數模擬，最後進行了硬體電路的製作和調試。3. do research on the tunable micro - cavity polyimide light - emitting diodes
對可調諧的微腔聚合物電致發光二極體進行了研究。Compared with gunn diode, mesfet has the advantage of high efficiency, flexible design and easy to integrate. the two ports negative resistance oscillating network is analyzed and an extremum - line model of microwave transistor oscillating network output impedance is developed
Mesfet較之gunn二極體在vco電路中有效率高、設計靈活性、便於集成等優點，所以本文著重介紹了變容管調諧微帶結構mesfetvco的研製工作。Study on the arithmetic of trace gas concentration based on tunable diode absorption spectroscopy
可調諧二極體激光吸收光譜法測量環境空氣中的甲烷含量分享友人