Thepaper presented leads to estimates of all network element values and predicts theclosed loop broad band gain, bandwidth, and quality of both ports.
文中提供全部网络元件值的估算和预测闭环宽频带增益、带宽和双端口的匹配值。
It is a difficult problem for heat balance theory to gain the stealth compatibility of infrared and laser in the same wave band.
在同一波段范围同时达到红外与激光的隐身兼容是热平衡理论所面临的难题。
To solve these problems, this paper presents a high performance, namely low voltage, high linearity and high conversion gain, CMOS direct down conversion mixer for UWB (Ultra Wide Band) system.
基于这种背景,本文提出了一种应用于超宽带系统的高性能(低压、高线性度、高变频增益)直接下变频混频器,采用标准的CMOS工艺设计和实现。
First, there is one band of parametric eq with adjustable frequency, gain and bandwidth.
首先,有一个波段的参数均衡器调节频率,增益和带宽。
Astronomers could gain only a biased idea of the universe when they were limited to the narrow wavelength band of visible rays.
由于只能在可见光的狭窄波段内观测,天文学家关于宇宙的概念显然只能是片面的。
The elliptical planar monopole antenna has the advantages of simple structure, wide band and relatively simple feed, so it can meet the demands of wide-band and high-gain at the same time.
椭圆形平板天线有结构简单、频带宽、馈电相对简单等优点,可以满足小型化天线同时具有宽频带和高增益的要求。
A deep negative feedback operation amplifier used in band gap reference is a common source and gate folded cascade operation amplifier with a lower offset voltage and a higher gain.
该带隙电压基准源电路中的深度负反馈运算放大器为低失调、高增益的折叠型共源共栅运算放大器。
Some of its characteristics, such as broad gain band, high gain and distributed amplifier, have important practical meanings to the optical fiber transmission system, especially to the DWDM system.
它的高带宽、高增益、分布式放大等特性对光纤通信系统,特别是对密集波分复用(DWDM)具有重要的实际意义。
Based on the characteristic of the Wide-beam ultrasonic flowmeter, automatic gain control amplifier and the tracking band-pass filter are devised.
并根据宽波束超声波流量计的特点重点进行了自动增益控制放大器和跟踪带通滤波器的设计。
The two-arm hemispherical helical antenna has very wide impedance and pattern bandwidth, and its gain in the whole band is larger and wave mildly, which show that it is of great applicat…
双臂半球面螺旋天线具有较宽的阻抗带宽和方向图带宽,工作频带内增益变化不大,该天线在军事卫星通信领域具有广阔的应用前景。
The two-arm hemispherical helical antenna has very wide impedance and pattern bandwidth, and its gain in the whole band is larger and wave mildly, which show that…
双臂半球面螺旋天线具有较宽的阻抗带宽和方向图带宽,工作频带内增益变化不大,该天线在军事卫星通信领域具有广阔的应用前景。
The control of nonlinear gain for interaction between solitons has been studied by numerical analysis in band-limited amplification propagation system.
应用数值分析方法研究了带宽限制放大传输系统中非线性增益对孤子间相互作用的控制作用。
Considering LDMOS FETs high gain, high output power, low power loss and efficient heat dissipation, a S-band, 45w and 180w solid state power amplifier is designed.
基于LDMOSFET的高增益、高输出功率、低功耗和良好的散热特性,分别设计了S波段45w和180w固态功率放大器。
This paper provides the balance theory and design method for a new type of gain flattened wide-band FRA.
本文提出了一种新的宽带FRA增益平坦化的补偿理论和设计方法。
The effects of inhomogeneous strain on the band structure and te mode gain were studied for low dimensional quantum systems.
研究了非均匀应变对低维量子结构的能带和TE模光增益所产生的影响。
Combined with wide band current feedback amplifier, FET input circuit and programmable circuit, variable gain amplification circuit with high speed and high input impedance is designed.
并以宽带电流反馈运算放大器为核心,辅以FET输入电路及程控电路构建了高速高输入阻抗可变增益放大电路。
When the broad band light source is input, the VEDFA gain characteristics in the two fiber gratings different wavelength difference are obtained.
在输入宽带光源时,得到两光纤布拉格光栅在不同中心波长之差时的掺铒光纤放大器的增益特性。
The band theory of solids is used to calculate the absorption and gain of semiconductor media.
固体的能代理论用来计算半导体介质的吸收与增益。
The multispectral polarization CCD camera was used to gain the polarimetric characteristics of camouflage coatings in visible and infrared wave band, and the polarimetric information was got.
利用多波段偏振CCD相机在光学与红外波段测试伪装涂层的偏振散射特征,并提取其中的偏振信息,研究了测试条件对涂层材料散射偏振度的影响。
The performance of control could be improved by lowering the steering control gain and configuring an optimized range of dead band.
通过调低系统增益和优选死区大小,可以提高随动控制性能。
The utility model has the advantages of superior performance in the U-section, wide band, high gain and long receiving distance, which has wide markets of water and urban public antennae.
本天线在U段内性能优越,频段宽,增益高,接收距离远,在农村,水上,城市公用天线均有广阔的市场。
The gain in a certain band of frequency is also calculated which shows good coincidence with the experimental results.
最后计算长八木天线在一定频带内的增益曲线。所得结果与实验结果吻合较好。
Antenna have high gain, low noise temperature characteristic under test in experimentation, and it can precision tracking at S-band, high efficiency receive at S/X-band.
经过外场测试,天线在S/X双频段具有高增益、低噪声温度的优良性能,天馈系统在S波段能进行精密跟踪及S/X双频高效率接收。
In this paper, technologies of dual-band, circular polarization, high gain, broadband and wide-beam have been studied.
本文对微带天线双频、圆极化、高增益、宽频带和宽波束技术作了一定的研究。
Experiments demonstrate that L-band EDFA will achieve high flat gain by employing a gain flat filter based on fiber loop mirror (FLM).
使用光纤环形镜(FLM)作为增益平坦滤波器进行L波段掺铒光纤放大器的增益平坦化实验,实现了高增益值的平坦输出。
This paper presents a new wide-band and high-gain E-shaped patch antenna based on dumbbell-shaped PBG structure.
本文设计了一种新型基于哑铃型光子带隙(PBG)的宽带高增益E形贴片天线。
The invention has the characteristics of wider working bandwidth and the high gain, which is suitable for the antenna application of the three frequency band RFID reader-writer.
本发明具有较宽工作带宽和高增益的特性,适合三频段RFID读写器天线应用。
According to "virtual short" and "virtual-off" feature, available to the circuit passband voltage gain and pass-band cut-off frequency.
根据“虚短”和“虚断”的特点,可得到电路的通带电压放大倍数和通带截止频率。
You must complete the IELTS General Module and gain a mark of 5.5 in each category and an overall band score of 6.5.
你必须参加雅思考试,每一类要起吗达到5.5分,总分达到6.5分。如果我没有达到6.5分怎么办。
You must complete the IELTS General Module and gain a mark of 5.5 in each category and an overall band score of 6.5.
你必须参加雅思考试,每一类要起吗达到5.5分,总分达到6.5分。如果我没有达到6.5分怎么办。
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