gain bandwidth的例句大全

A novel wide bandwidth and high gain microstrip antenna is presented.

本文提出了一种新型大带宽、高增益微带天线结构.

Trellis Coded Modulation ( TCM) has been widely used because it can obtain 2. 55~ 7. 37 dB coding gain without bandwidth expansion or reduction of the effective information rates.

由于格状编码调制（TCM）可以在相同的频带利用率下使信号得到2.55～7.37dB的编码增益，所以得到了广泛的应用。

A rounded, very thick, tightly curled hair style. The backfire antenna is a kind of compact structure, high gain and lower sidelobe antenna, but its bandwidth is limited.

埃弗罗发式，非洲黑人头一种圆形的，非常浓密且紧凑卷曲的发型背射式天线具有增益高、副瓣低和结构紧凑的特点，但其频带较窄。

The backfire antenna is a kind of compact structure, high gain and lower sidelobe antenna, but its bandwidth is limited.

背射式天线具有增益高、副瓣低和结构紧凑的特点，但其频带较窄。

It can acquire multiplex gain from both in the source and across the source by evaluating the equivalent bandwidth of self-similar traffic.

通过估计自相似业务的等效带宽，该算法能够较好地同时获得信源内与信源间的增益。

The gain variation of ± 3 dB in an EDFA is reduced to ± 0.3 dB over a bandwidth of 30 nm and the total extra insertion loss of the device is less then 0.3 dB.

该器件使掺铒光纤放大器在30nm带宽上的增益谱波动从±3dB减小为±0.3dB，器件的附加损耗小于0.3dB。

A voice-grade transmission facility with defined frequency response, gain and bandwidth.

信道是指一种话音级传输设备,定义了频率响应 、 增益和带宽.

The influence of the reactive component of the paramagnetic resonance on the gain-bandwidth product has been taken into account in the analysis.

在分析中计入了顺磁物质导磁率的电抗分量对增益带宽的影响。

Space time coding is a channel coding scheme for MIMO system, which combines the merits of the spatial-diversity and time-diversity. It provides both diversity gain and coding gain, which can provide much higher data rate-to-bandwidth ratio than single-antenna system.

空时编码是适合于多天线阵信道的一种编码方案，它综合了空间分集和时间分集的优点，同时提供分集增益和编码增益，能够获得远远高于传统单天线系统的频谱利用率。

The elaborate design of the amplifier, results in the performances of 590 MHz bandwidth, open loop gain 90 dB and power consumption 15 mW for 0.35 μ m CMOS. All the performances of the amplifier satisfy the demands of high-speed A/ D converter.

经过精心设计，该放大器在0.35μM CMOS工艺中带宽为590MHz，开环增益为90dB，功耗为15mW，满足高速A/D转换器要求的所有性能指标。

A Coupling-Fed Circularly Polarised Microstrip Antenna With Wider Impedance Bandwidth And Higher Low-Elevation Gain

一种改进了阻抗带宽和低仰角增益的双频圆极化微带天线的设计

Piezoelectricity crystal is used to detect the acoustic pulse signal caused by partial discharge within power capacitor and after being amplified by high gain, wide bandwidth preamplifier, these signals are sent to main body of instrument through coaxial cable.

该装置采用压电晶体检测电力电容器内局部放电所产生的声脉冲信号，经高增益、宽频带的前置放大器放大后，由高频同轴电缆传送至仪器本体。

The tested two-layer antenna works at 6.1 GHz with a bandwidth ( S11 ≤-10dB) of about 11%, 8-dBi gain. The 3-dB beamwidth in the E-plane and H-plane is 57o and 70o, respectively.

测试结果表明该天线工作在6GHz左右，带宽（S11<-10dB）约为11%，E面和H面的3dB波瓣宽度分别为57o和70o，可用带宽内增益约为8dBi。

It shows that BBO type-ⅱ phase matching has very narrow bandwidth in the simulation of the gain spectrum, which is confirmed in the numerical calculation of the parametric bandwidth.

在增益谱分布的模拟计算中发现类匹配具有非常窄的增益带宽，并在其参量带宽的模拟计算中得到了证实。

closed-loop gain shaping algorithm constructs a robust controller by the four engineering parameters of the largest singular value, bandwidth frequency, peak value and slope of high frequency asymptote according to the desired shape of sensitivity function and closed-loop frequency spectrum.

闭环增益成形算法根据闭环频谱及灵敏度函数所希望的形状，用最大奇异值、带宽频率、频谱峰值和高频渐近线斜率4个具有工程意义的参数构造出鲁棒控制器。

a wideband amplifier is required in a analog front end that provides a flat gain transfer within the bandwidth.

宽频放大器是用在一段所需要频宽中能提供一个稳定的增益。

graded tensile strain induced in the active structure is to enhance the tm mode material gain, obtain polarization insensitivity, expand the bandwidth for te mode gain, and relax the limitation for the stripe width.

通过剖析该结构中有源区各部分的作用，得出大的张应变的引入主要是用于提高TM模的材料增益，获得偏振不灵敏和大的TE模带宽，减小制备难度。

And must be over the foundation that deducts the expense such as server, bandwidth, manpower gain.

而且必须在扣除服务器 、 带宽 、 人力等费用的基础之上盈利.

The result shows that the gain above 10 dB, optical bandwidth above 50 GHz can be achieved.

计算中表明10dB以上增益,50GHz以上带宽可以实现.