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- center frequency sweeping 中心扫频
- LFM is one of widely used methods of ISAR.Nonlinearity in frequency sweep has some effects on the quality of imaging. 摘要线性调频法是逆合成孔径雷达(ISAR)成像中一种常用的方法，在该方法中扫频非线性对成像质量有一定的影响。
- The frequency response of undistorted transmitted system is introduced, and JH6170 electroacoustic testing system based on frequency sweeping method is analysed. 摘要介绍了无失真传输系统的频率响应特性，分析了基于扫频法测量系统频响的JH6170电声测试系统。
- The phase noises are -117dBc/Hz at 4MHz and -107dBc/Hz at 500kHz,both off the center frequency of 4.189GHz. 在距中心频率4·189GHz为4MHz处的相位噪声为-117dBc/ Hz ;500kHz处为-107dBc/ Hz .
- The corresponding frequency of the key parts of the poplar particle presswood pallet at maximal transmissibility was determined by frequency sweep test. 摘要采用扫频试验得出振动台对托盘关键部位最大传递率所对应的频率。
- In the band which center frequency wes 10GHZ, the isolation of these dividers/combiners was 19dB. 在中心频率为10GHZ的频段上，功率分配/合成器的隔离度为19dB。
- All data are picked up from Intel UWB Database, and the corresponding center frequency is at 5GHz. 所采用的数据源自Intel公司的UWB数据库,中心频率为5GHz。
- The measured phase noise is-117dBc/Hz at 4MHz off the center frequency of 4.189GHz. 其在4.;189GHz频点上4MHz频偏处所测得的相位噪声为-117dBc/Hz
- 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 SCP of backscattering signals approach the emissive center frequency with increase of ages. 随年龄的增大，质心位置越接近于发射超声的中心频率。
- 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。
- The apodized function has analogic effect to the center frequency and the width of the bandgap. 同样构造的线性变迹的光子晶体和正弦变迹的光子晶体对于光子禁带的中心频率和宽度有类似的影响。
- The analysis on the relationship of the center frequency deviation and the microstrip open-end effect is given. 同时分析了导致这种偏移的原因，并阐述了该方法的理论基础。
- It is shown that the response is triple valued,if the center frequency of excitation lies in a certain specified range. 使用等效线性化技术与单模态近似得到响应的均方误差方程。
- frequency sweeping signal generator 扫频信号发生器
- Simulated test shows that under the fixed center frequency of measurement,the innumerable balance points exist in adjustable range of tuned capacitors. 模拟实验的结果表明，在选定的测量中心频率下，在调谐电容的调节范围内，存在着无数组平衡点。
- all-band frequency sweeping meter 全频段扫频仪
- Abstract： The stabling center frequency technology for transmitter in wavelength devision multiplexing system is very important. 摘 要： 波分复用系统光源中心频率的稳定技术是该系统的关键技术之一。
- The small center frequency difference between NBI and spread spectrum signal or the large NBI power will make spread spectrum communication invalid. 但当信道中窄带干扰(尤其是时变窄带干扰)的中心频率和直扩信号的中心频率近似,或功率远大于直扩信号功率时,直扩通信可能失效。
- Frequency Sweep Meter and the Uses 扫频仪及其使用
