该混频器主要由波导-微带过渡,输入、输出滤波器以及匹配网络和反向并联混频二极管对组成。
The mixer mainly consists of a waveguide-to-microstrip transition, input and output filters, matching networks and an antiparallel diode pair.
该混频器主要由波导一微带过渡,输入、输出滤波器以及匹配网络和三组反向并联混频二极管对组成。
The mixer mainly consists of a waveguide-to-microstrip transition, input and output filters, matching networks and an antiparallel Sckottky-barrier diode pair.
列举和分析了单二极管型、二极管对型和单场效应管型线性化器的工作原理和实际应用价值,发现其都具有不便于调整的缺点。
It lists and analyzes the operating principle and application of the single diode, double diode and single GaAs FET linearer and finds that they are all inconvenient to be adjusted.
最后研究了两种新型的预失真器:二次混频预失真器和直接级联反向并联肖特基二极管对预失真器,并对后者进行了一定的改进。
Last we present two new pre-distortion, a pre-distortion using twice mixing operation and linearizer using anti-parallel Schottky diodes which are directly connected with pa.
由于两个二极管反向并联,所以此电路能够对任何极性的信号进行保护。
With two diodes in parallel back to back, the circuit will provide protection regardless of the signal polarity.
此装置可以让人们有可能制造频率接近1千兆赫(10亿赫兹)的纠缠光子对电致发光二极管。
This device could make it possible to manufacture electroluminescent diodes of entangled photon pairs, with rates close to one gigahertz (in other words around on billion Hertz).
利用统计分析手段,对高功率二极管激光器封装中各工艺环节引起器件失效的原因进行了分析和归类。
Using statistics analysis method, diode laser failure states were classified and the causes of these diode laser failures were analyzed in every packaging process.
对所有的二极管重复以上步骤。
对有机发光二极管在传感器和光电子器件上应用的可能性进行了初步研究。
This paper explores the application probability of the organic light-emitting diodes(OLED) in the fields like sensors and optoelectronic devices.
对金属氧化物变阻器的物理特性进行了分析,并完成了MOV元件的数学建模,将其等效为电感、电阻、二极管三部分。
This paper analyses the physical characteristic of MOV and gives out its mathematical model by making it equivalent to inductance, resistance and diode three parts.
有机发光二极管(OLED)发光效率很大程度上受到器件中高折射率材料(ITO/有机物)对导波光能量的制约。
The extraction efficiency of organic light-emitting diode(OLED) is restrained by the high fraction of energy of the guided wave in the high-index materials(ITO/organic).
然后利用ADS软件对几种微带谐振器进行了分析和计算,使雪崩二极管的负载阻抗与其匹配。
After this, we analyzed and computed several microstrip resonators with ADS, making impedance match between the resonator and IMPATT diode.
对二极管电流方程在实际应用中存在的问题进行了分析。
On the diode current equation in the experimental application of the existing problems are analyzed.
本文对晶体二极管引线光亮电镀锡的可焊性进行了研究。
This article conducts a research on the weldability of crystal diode lead wire luminous electrotinning.
为了观察由板流引起的灯丝温度下降现象,利用红外测温仪对理想二极管灯丝温度作了精密测量。
In order to observe the phenomenon of the filament temperature drop caused by the board-current, the ideal diode filament temperature was detected precisely with an infrared thermometer.
通过对二极管激光器端面抽运激光晶体工作特点的分析,提出了长方形激光晶体热模型。
Through analysis for the performance features of laser crystal end-pumped by a diode laser, a quadrate laser crystal thermal model is established.
为了实现对介质的高效抽运,将空心透镜导管应用于大口径高功率激光二极管阵列耦合系统。
The hollow lens duct is introduced for the application in the coupling of pump radiation from extended two dimensional semiconductor laser diode arrays into solid state laser gain media.
同时利用CHP01加速器实验平台对这种二极管的发射特性进行了实验研究。
As an experiment platform, the CHP01 accelerator was used to study the emission characteristics of the diode.
通过电压峰值采样保持电路对IGBT串联二极管反压值进行采样,后经DSP A/D转换模块与反压设定值进行比较。
Sample the negative voltage on the diode series with IGBT by Peak hold switch circuit, and cut-in A/D module in the DSP, compared with setting value.
对静态位移的测量,二极管检波或乘法检波后分别得到的是一含多频或单频交流成分的脉动直流信号,而乘除法检波后信号不含交流成分。
The DC signals after demodulation still contain AC component of one or several frequencies respectively for multiplication or diode methods, but no AC component for multiplication-Division one.
本文阐述了利用驻波法对微波晶体检波二极管进行分段定标的方法。
A subsection calibration method for microwave crystal diode detector using stationary wave curve is presented in the paper.
本文对一般所谓惰性失真和切削失真同时分析讨论而获得统一公式,并且发现对二极管加适当的正偏压可以减小或消除失真。
This paper shows that under certain conditons it is possible to diminish and even eliminate the nonlinear distorsion of a peak envelope detector by biasing the diode adequately.
与通常使用的PN结二极管模型不同,本文模型考虑了并联电导对电流的影响。
Differing from the usual model, the present model of PN diode consists of the effect of shunt conductance on the current.
对常用的平板二极管模型进行了分析,从而了解了由于这种模型而引起的计算误差。
The planar diode model which is often used to calculate the emission of cathode is discussed and the error caused in the numerical simulation is analysed.
利用高效液相色谱-二极管阵列检测器-质谱联用方法对洛伐他丁及其杂质成分进行分离分析和结构鉴定。
A high performance liquid chromatography-diode array detection-electrospray ionization tandem mass spectrometry method was developed for analysis and identification of impurities in lovastatin.
分析了传统的PWM_ON调制方式对无刷直流电动机在非换相期间由于截止相的反并联二极管续流而导致转矩脉动的原因。
The torque ripple caused by diode freewheeling of the inactive phase during non-commutation state of PM brushless DC motor(BLDCM)when using the PWM_ON type of pulse width modulation was analyzed.
对高效的用于面阵激光二极管阵列(LDA)的光学耦合系统—空心导管进行了系统地研究。
A high efficient coupling system, hollow duct applied to planar laser diode array (LDA) was investigated systemically.
文章从理论上对LD、LED的发光原理、PIN光电二极管的光电转换原理进行了分析。
The article discusses theoretically on the radiation theory of LD and LED, transformation theory of PIN photoelectric diode.
对影响激光二极管阵列(LDA)抽运钕玻璃棒状放大器增益的各因素进行分析,确立了放大器的优化参量。
After analyzing all the factors which determine gain of a laser diode array (LDA) pumped Nd glass rod amplifier, the optimum parameters are presented.
对影响激光二极管阵列(LDA)抽运钕玻璃棒状放大器增益的各因素进行分析,确立了放大器的优化参量。
After analyzing all the factors which determine gain of a laser diode array (LDA) pumped Nd glass rod amplifier, the optimum parameters are presented.
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