W is the radian frequency deviation from the center frequency.
W是角频率与中心频率的偏离值。
The center frequency tunability characteristic of the filter is investigated as well.
研究了该滤波器的中心频率的可调谐特性。
Its output frequency can be adjusted continuously around the center frequency (56.448 MHz) over a range of 65 KHz.
输出频率可在中心频率(56.448兆赫)附近连续微调。调整范围为65千赫。
With electrode thickness increases, passband ripple becomes smaller, center frequency moves toward lower frequency.
当电极厚度增加时，通带的涟波会变小，中心频率会降低。
The calculated result indicates that a major error of differential absorption laser radar comes from the shift of its center frequency.
计算结果表明，中心频率的漂移是微分吸收激光雷达主要的误差来源。
This paper studies the relations between "time-domain attenuation" and sea state or wave height, center frequency or transmitting range.
研究了浅海声信道“时域衰落”与海况、波高、中心频率和作用距离的关系。
The results obtained indicate that the center frequency of cased wave is obviously higher than that of formation wave in fast formation.
分析研究表明，快速地层水泥完全胶结时的地层波与套管波的主频差别较大，套管波主频明显偏高。
The depth range of GPR is limited by the electrical conductivity of the ground, the transmitted center frequency and the radiated power.
探测深度不好确定，与底层导电性、发射波中心频率和发射功率有关。
The center frequency and bandwidth of Y-aperture are much more influenced by the substrate thickness change than those of Y-loop element FSS.
介质厚度的变化对Y孔中心频率、带宽的影响要比Y环单元FSS的大得多。
Each MAX262 device consists of two second-order filters, under program control to set the center frequency f0, the quality factor q, and filter work.
每个MAX262器件含有两个二阶滤波器，在程序控制下设置中心频率f 0、品质因数Q和滤波器工作方式。
The cavity can effectively choose center frequency, increase electron efficiency and output power of the Raman FEL operating in quasi -single mode regime.
该腔既可有效地选定中心频率，又可望提高准单模运转的喇曼自由电子激光器电子效率及其输出功率。
Timing jitter induced by SPM and IXPM could be suppressed totally by adjusting the relative phase between the center frequency of the pulse and the ripples.
通过调整脉冲的中心频率与纹波之间的相位差将有可能完全抑制时间抖动。
With the subaperture method, data rate and radar transmit peak power can be effectively reduced, the time variant of Doppler center frequency can be resolved.
通过子孔径方法，可以有效降低数据率及雷达发射峰值功率，并可解决多普勒中心频率的时变问题。
The effects of the sea sediment parameters and center frequency of the source on the low frequency acoustic wave propagation in shallow water are investigated.
考察了海底沉积物参数、声源激发主频等对低频声传播的影响。
These conclusions are important for choosing suitable radar system parameters such as center frequency , resolution and imaging squint angle in engineering design.
这些结论对工程设计牛选择合适的工作参数，如载频、分辨率、成像斜角等具有较为重要的参考价值。
The measurement error of differential absorption laser radar caused by the shift of its center frequency in measuring atmosphenc density has been discussed particularly.
详细地讨论了微分吸收激光雷达测量气体密度时中心频率的漂移所引起的测量误差。
The relationship shows that the maximum bandwidth is limited for these algorithms and becomes narrow when the center frequency is lower and the imaging squint angle is larger.
这种关系表明雷达可用的信号带宽是有一定限制的，随着工作频率的下降和成像斜角的增大，可用的信号带宽会变得越来越小。
In this paper, an UHF PD detection system and a typical PD models simulated system are developed to study the influences of center frequency and bandwidth on UHF PD detection for transformers.
本文在实验室中建立了局部放电特高频检测系统和变压器典型局放模拟系统，对特高频检测中检测频率和带宽的选取原则进行了实验研究。
As the signal is shifted from the original center frequency, the RF power analyzer reads lower and lower power levels as more and more of the signal shifts out of the intended transmission channel.
当信号从原中心频率偏移，信号越来越从设定的发射通道偏移，功率分析仪的功率电平会越来越低。
Meanwhile, the switched capacitor notch filter is designed, which can adjust center frequency freely by changing the switching clock frequency and make the center frequency highly accurate and stable.
介绍了数字化开关电容滤波技术，并设计了可以通过改变开关时钟频率来自由调整中心频率的开关电容带阻滤波器，使中心频率具有很高的精度和稳定度。
Meanwhile, the switched capacitor notch filter is designed, which can adjust center frequency freely by changing the switching clock frequency and make the center frequency highly accurate and stable.
介绍了数字化开关电容滤波技术，并设计了可以通过改变开关时钟频率来自由调整中心频率的开关电容带阻滤波器，使中心频率具有很高的精度和稳定度。
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