線性二極體 的英文怎麼說
中文拼音 [xiànxìngèrjítǐ]
線性二極體
英文
linear diode- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 二 : Ⅰ數詞(一加一后所得) two Ⅱ形容詞(兩樣) different
- 極 : i 名詞1 (頂點; 盡頭) the utmost point; extreme 2 (地球的南北兩端; 磁體的兩端; 電源或電器上電流...
- 體 : 體構詞成分。
- 線性 : [數學] [物理學] linear; linearity線性代數 linear algebra; 線性方程 linear equation; 線性規劃 line...
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Uses philips modules and high quality, sensible pin photo - diode, provides high rf output, low noise and low non - linear distortion
採用飛利浦光電模塊和優質量高靈敏度pin光電二極體,輸出電平高,低噪音和較小的非線性Buried zener - based references are frequently used for 12 - bit, 14 - bit, and higher resolution systems because the performance of the buried zener - based references can be extended by incorporating nonlinear temperature compensation networks into the design
在設計中使用非線性溫度補償網路,掩埋齊納二極體基準的性能可以進一步提升,因此掩埋齊納二極體基準經常用於12位、 14位和更高解析度的系統中。The useful life curves of gan - based blue led with al2o3 and sic substrate is fit single exponential function [ i = i1 + i2exp ( - t / ) ]. fron this function, we could get aging information of led about stable inteneity 1, decay intensity i2 and decay time. the novel method of evaluating aging properties of leds was put forward
用單指數函數擬合了發光二極體的光衰減曲線[ i = i _ 1 + i _ 2exp ( t / ) ] ,這個關系式可以給出三個信息:穩定光強、衰減光強、衰減速度,提出了更加合理的評價led老化性能的方法。At first, the character of millimeter wave and frequency multipliers in millimeter wave band is introduced. based on the principle of harmonic frequency extraction in nonlinear device, we present the avalanche diode high order frequency multipliers in w band
利用雪崩效應中強烈的非線性電感特性,基於非線性器件諧波提取的思想,對倍頻器電路進行了優化模擬,採用雪崩倍頻二極體研製了w波段雪崩高次倍頻器。On account of qpm can take advantage of the largest element of x tensor, and any interaction with transparency range of the material can be noncritically phase matched without walk - off angle. therefore, the conversion efficiency in longer crystal may be improved
由於準相位匹配可利用非線性光學晶體最大的二階極化張量元,在晶體的整個通光范圍內均可實現非臨界相位匹配,在較長的晶體上可望實現較高的變頻效率。At present, people usually use birefrigence and quasi - phase - matching methods to achieve higher effiency in the process of conversion. a significant advantage of quasi - phase - matching method is that the interaction is occurred through the largest element of the x ( 2 ) tensor ; the period of optical superlattice can be designed randomly, and any interaction can be matched without walk - off angle ; they are fitted to be used in frequency conversion of lower power especially. the quasi - phase - matching method has some advantages over birefrigence method, improving the efficiency of frequency conversion ; the range of frequency conversion covers its whole transperant wavelength
由於準相位匹配技術有其獨特的優勢,可以利用非線性光學晶體的最大二階極化張量,如ppln 、 pplt 、 ppktp用的非線性極化張量都是d _ ( 33 ) ,其有效非線性系數高出普通非線性光學介質(如bbo 、 lbo 、 ktp )一個數量級,而且可以人為靈活設計調制周期,通過周期設計其頻率變換范圍可以覆蓋準相位匹配介質的整個透明波段,選擇無走離效應,解決了常規pm難以解決的問題,拓寬了非線性晶體的應用范圍,極大地提高了頻率轉換效率,已成為非線性光學材料和固體激光器的研究熱點之一。In the second chapter, the nonlinear optical properties are described from both macroscopic and microscopic views, at the same time, giving the definitions of the linear and nonlinear polarizabilities. then, the explicit expressions of the linear and nonlinear polarizabilities are obtained by using quantum mechanical perturbation theory and density matrix formalism, respectively
第二章非線性光學性質,首先分別從宏觀和微觀兩個角度討論了極化強度和電偶極矩與外加光電場強度之間的關系,同時給出了線性極化率和非線性超極化率的定義,然後分別運用含時微擾理論和密度矩陣理論求解了分子體系的線性極化率和非線性超極化率。As the experiment results show, multiple reasons led to the offset of oscillating frequency, including diode ’ s nonlinear characteristic, fluctuation of electrical source voltage, traction of load impedance, change of environmental temperature and humidity and the design of circuit
實驗結果表明多種因素引起了振蕩頻率的偏移,包括二極體的非線性、電源電壓的波動、負載的牽引、環境溫度濕度變化以及電路板設計方面的因素等。Although the possibility is remote3, diode failure4 might eventually cause a small section of bare wire to contact the metal cabinet
雖然這種可能性很小,但二極體故障可能最終導致一小部分裸線與金屬盒接觸。This paper researches basic principle of microwave digital phase shifter deeply, reviews different theories of all kinds of microwave digital phase shifter circuit, analyzes loaded - line phase shifter in detail and draws design curves according to formulas. and this paper presents a novel method, which makes use of modeling simulation that software - ansoft serenade 8. 7 provides to evaluate parameter values of pin diodes through s parameter measurement. then, a kind of 6 - bit digital phase shifter circuit is designed and simulated through software - ansoft serenade 8. 7
本文對微波數字式移相器的基本理論進行了較深入的研究;綜述了各種微波數字式移相器電路的工作原理,著重對加載線式移相器電路進行了理論分析,並根據計算公式作出一系列相應設計曲線;提出利用軟體ansoftserenade8 . 7所提供的測量數據擬合功能,通過測量s參數來確定pin二極體等效電路參數的新穎實驗方法;利用微波電路設計軟體ansoftserenade8 . 7對6位數字式移相器電路進行模擬、優化設計,做出樣品,並對其性能測試分析,對研製微波數字式移相器具有重要的參考意義。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。For the external - magnetic field mid, the cathode with improved structure works as a " close " magnetic coil that effectively increases the continuity and uniformity of magnetic field, and then ensures the stability of dense anode plasma formation
對于外磁絕緣離子二極體,改進的陰極形成單匝「閉環」磁場線圈,有效地提高了磁場的連續性和均勻性,保證了稠密陽極等離子體的穩定形成。Secondly, to counter contour curve for large sole of rubber overshoes, the way of linear circle arc spline of two dimensions curve fitting has been raised in this paper and autocad has meanwhile been applied in cad / cam integeration system of rubber overshoes mould, and also a whole set of software and hardware technique developed, and the selecting way for optimizing tool path worked out. this way may make nc machining free running minimun
其次,針對膠鞋大底的輪廓曲線,對圓弧樣條進行了深入研究,提出了二維曲線擬合的線性化圓弧樣條方法;同時將autocad應用於膠鞋模具cad / cam一體化系統中,成功地開發了一整套相應的軟硬體應用技術,提出了刀具軌跡優化的動態選擇法,以便使nc加工的空行程相對極小化。The second - order nonlinear susceptibility in semiconductor asymmetric step quantum well structure
半導體非對稱階梯量子阱結構的二階非線性極化率Finally, according to the mosfet ' s parameter degradation due to hot - carrier effects and different application environment of mos devices on analog and digital circuits, the circuit structures for hot - carrier immunity are proposed for digital applications by adding a schottky diode in series with the drain of the nmosfet suffered heavily from hot - carrier degradation.,
即在受熱載流子退化效應較嚴重的n mosfet漏極串聯一肖特基二極體的新型cmos數字電路結構和串聯一工作于線性區的常開n mosfet的mos模擬電路結構。經spice及電路可靠性模擬軟體bert2Due to their good electric conduction and luminescence, people investigate mainly preparation of photoelectric devices and luminescent diodes in these years. less studies on nonlinear optical properties were reported
由於這兩類聚合物具有良好的導電和發光性能,近幾年的研究主要集中在制備光電器件、發光二極體等方面上,對其光學非線性的研究報道甚少。And the general procedures of these methods are summarized. finally, some practical problems are analyzed using fdtd, which include passive linear resistor element and nonlinear diode element in the microwave circuits and an integrated antenna embedded with an active gunn diode element and a dielectric cavity resonator
最後,本文通過編程模擬了微波電路中的無源線性器件電阻和非線性器件二極體,含有有源器件gunn二極體的有源集成微帶天線以及介質腔諧振器等具體實例,來驗證各種方法的可行性和有效性,計算結果與實驗結果吻合。For the pin diode, its major transient behaviors are forward voltage recovery and reverse current recovery. this dissertation describes these performances by lumped - charge approach, and then developed an improved lumped - charge model for pin diode and a corresponding parameter extraction approach, which can reduce parameter measurement and enhance parameter accuracy
Pin二極體中主要的瞬態現象是正向電壓恢復和反向電流恢復,本文採用集總電荷的方法描述了它的動、靜態特性,提出了改進的集總電荷的pin二極體高頻模型,同時提出了改進的曲線擬合模型參數抽取方法,減少了所需的參數測量實驗並提高了參數抽取的精度。A new wavelength beam combining technique for a high - power laser diode bar by using a temperature gradient heat sink is proposed. the thermal controlling principle of the temperature gradient heat sink is discussed
通過一個具有溫度梯度的熱沉( temperaturegradientheatsink ) ,使二極體棒在慢軸方向上形成線性的波長分佈。To meet the need of using photoelectric instrument to measure the photosensitive properties of the weak light of photodiode, because the current equipment is used in the daylight and the circuit is big and complicated, the instrument to measure properties of weak light of photodiode is developed, and the improved method is given
摘要為了進行光電二極體的弱光光敏特性的測量和標定,改進現有測試儀只能適應日光環境且電路板體積大、線路連接復雜的缺欠,開發了一種光電二級管弱光光敏特性測量儀,並提出進一步改進的方法。分享友人