是角频率与中心频率的偏离值。
Is the radian frequency deviation from the center frequency.
W是角频率与中心频率的偏离值。
W is the radian frequency deviation from the center frequency.
研究了该滤波器的中心频率的可调谐特性。
The center frequency tunability characteristic of the filter is investigated as well.
随年龄的增大，质心位置越接近于发射超声的中心频率。
The SCP of backscattering signals approach the emissive center frequency with increase of ages.
探讨了同步轨道SAR多普勒中心频率和调频率的特征。
The properties of Doppler centroid frequency and Doppler frequency rate of GEO SAR is discussed in detail.
并设计了一个抽头线发夹型带通滤波器，其中心频率为1。
Then a tapped-line hairpin-filter with the center frequency of 1.
当电极厚度增加时，通带的涟波会变小，中心频率会降低。
With electrode thickness increases, passband ripple becomes smaller, center frequency moves toward lower frequency.
带通滤波器的特性通过两个参数表示：带通中心频率和共鸣带宽。
Two parameters are used to specify the characteristics of a BPF: passband centre frequency and resonance bandwidth.
对多普勒中心频率影响大，对多普勒调频斜率及方位分辨率影响小。
Doppler centric frequency is influenced much greater than Doppler FM rate and azimuth resolution is.
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。
The calculated result indicates that a major error of differential absorption laser radar comes from the shift of its center frequency.
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 depth range of GPR is limited by the electrical conductivity of the ground, the transmitted center frequency and the radiated power.
计算结果表明，这种切割误差对声表面波滤波器中心频率有一定影响。
Furthermore, the influences of SAWF center frequency are display by the curves, as a result, this cutting error have a kind of influences on centre frequency of SAWF.
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。
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.
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。
This paper studies the relations between "time-domain attenuation" and sea state or wave height, center frequency or transmitting range.
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。
The center frequency and bandwidth of Y-aperture are much more influenced by the substrate thickness change than those of Y-loop element FSS.
也可以用声光效应实现激光强度的调制，而用电光效应来控制器件的中心频率。
It can also modulate the laser intensity by acoustooptic effect, and control the central frequency of the device.
如何实现极窄的通带宽度和极小的中心频率偏差是研制中所解决的关键技术问题。
The key technique of this new filter is how to achieve the extreme narrow band-pass width and a slight deviation of central frequency.
带通滤波器通过单片机实时调整中心频率，对信号中各种干扰起到较好滤波效果。
The noise of the signal is effectively restrained because that the center frequency of the band pass filter is adjusted by the processor.
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 measurement error of differential absorption laser radar caused by the shift of its center frequency in measuring atmosphenc density has been discussed particularly.
为了实现高分辨率成像，在保证系统实时性的同时还要保证中心频率估计的精度。
To implement imaging with high resolution, real-time and precision of Doppler centroid estimation at the same time must be ensured.
该陷波滤波器采用通用式结构，其中心频率分布在转子转速附近以抑制不平衡振动。
The filter used a kind of general structure, whose central frequency located nearby the rotation speed to reduce the unbalance vibration.
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。
Its output frequency can be adjusted continuously around the center frequency (56.448 MHz) over a range of 65 KHz.
在无参考点海洋sar定位方法中，多普勒中心频率估计对定位精度有着重要的影响。
Estimation of Doppler central frequency has an important effect to accuracy of fixed position in the fixing approach with no reference points for ocean SAR.
通过在地板上的矩形槽的边缘开槽和在馈线旁加载C形谐振器，该天线实现在中心频率3。
By inserting a slot at the edge of the rectangular slot on the ground plane and loading a C-shaped resonator near the microstrip line, dual band-notched characteristic at the central frequency at 3.
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。
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.
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。
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.
但是，对于中心频率不断变化的CW脉冲信号，使用常规的硬件窄带滤波器很难实现对其跟踪滤波。
But to the CW pulse signal with changing frequency, it is difficulte to realize tracking filter with common narrowband filter.
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。
The cavity can effectively choose center frequency, increase electron efficiency and output power of the Raman FEL operating in quasi -single mode regime.
磁粉芯经脱脂、热处理后纳米晶粉颗粒的间隙减小，使得磁粉芯涡流损耗上升和磁粉芯中心频率下移。
Degreasing and heat treatment can reduce the gap among nano-crystalline core particles, increase the vortex flowing loss and move down the frequency of core's center.
给出了吸收谱线在不同中心频率、不同谱线宽度情况下，归一化信号S与布里渊频移 之间的函数图。
The resulting signals ratio S is plotted in a series of figures under different center frequencies and different widths of the absorption lines.
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