查询词典 modulation capability

Intermodulation and cross-modulation interference are two kinds of rather harmful interference which often appear in CATV system.

交叉调制干扰和互相调制干扰是CATV系统中两种常见而又危害性较大的干扰。

Frequency modulation and amplitude compensation of interruptedly received LFM signals are studied to precede a false target group based on interrupted T/R jamming system.

摘要该文基于间歇收发干扰体制，研究了通过对间歇采样LFM信号的频率调制和幅度补偿，产生导前假目标群问题。

The following text will briefly introduce common interferences from adjacent satellite , cross-polarization and inter-modulation , and the carrier interference caused by uplink device , and also launched unauthorized even intrusively .

下文将粗略介绍常见的邻星干扰、反极化干扰、互调干扰、由上行设备引起的载波干扰、以及非授权使用和恶意干扰等星上干扰，并对相关的分析处理方法作经验探讨。

Base on the threshold voltage model presented, an intrinsic drain current model in strong inversion region is developed, which can describe the short-channel effects such as DIBL and charge-sharing effect well, and give special considerations for mobility, velocity saturation, channel length modulation and quantum effect. Based on the front interface surface potential model, a formula of unified inversion charge is derived, and an intrinsic drain current model in middle inversion region is developed.

利用所提出的深亚微米FD器件正、背界面表面势模型，建立了一个能够完整描述深亚微米FD器件本征亚阈漏电流特性的模型，能够准确地描述DIBL效应和背沟道漏电效应；利用所提出的阈值电压模型，建立了深亚微米全耗尽器件的本征强反型电流模型，很好地描述包括DIBL效应、电荷分配效应在内的小尺寸效应，对迁移率、速度饱和效应、沟道长度调制效应和量子效应进行了特别的考虑；利用所提出的深亚微米FD器件正界面表面势模型，推导了统一反型层电荷公式，建立了深亚微米FD器件的本征中反型漏电流模型。

The control signals of invertor are produced by space vector modulation to achieve a small torque ripple and constant switch frequency.

以空间矢量调制方法来获得逆变器的开关信号，实现了小的转矩脉动和恒定的开关频率。

We discussed the effect of the self-phase modulation, ionization, energy loss, and the density of the gas.Ⅱ.

研究在阿秒脉冲产生过程中，驱动激光脉冲载波相位和脉冲宽度的影响。

This mode is very sensitive to the ionospheric Doppler modulation.

这种模式是非常敏感的电离层多普勒调制。

The n-type gate modulation could be explained by the bending effect of valence band in the Schottky-barrier junction. The photoconductive diode and optical switch behavior was demonstrated for the first time from a C/CNX multi-walled nanotube junction with a Schottky barrier. Theconductivity of nanotube can be reversibly changed by 3 to 4 orders of magnitude when the 5 mW cm2 white lights was turned on and off.

器件原理是栅极静电场调节碳纳米管和CNx纳米管间的Schottky势垒的高度和宽度，从而影响载流子的传输。8首次利用单根CN万／C纳米管作为半导体材料制备了Schottky光导二极管和光开关。

The principle of the space vector pulse width modulation was studied. And the sectors were determined by using Karnaugh map simplification method of logic function.

研究了电压空间矢量脉宽调制技术，并利用逻辑函数的卡诺图化简法来判断扇区。

Next, use a clean cotton cloth or the nature of suit cloth, cleaning fluid or dip a little water and liquid detergent modulation, keycap keyboard and gently wipe the surface, should not dip too much cleaning fluid into the keyboard inside.

接下来，用棉布或清洁套装内的特质布，蘸少许清洁液或者用水与洗洁精调制的液体，将键盘表面和键帽轻轻擦拭，切忌蘸的清洁液太多而流入键盘内。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。