frequency tuning

The more centered the corresponding visual field of the cortical area, the higher the cutoff spatial frequency. The spatial frequency tuning curves also tended to have a smooth shift along the cortical surface.

无论在周边对应区还是中心对应区，其视野越靠近中心，其空间频率调谐曲线和截止空间频率越靠近高频，而且这种过渡是平缓的。

The invention realizes the fine tuning of oscillating frequency and decreases the cost of hardware.

本发明实现了振荡频率的微调,降低了硬件成本.

We measured the amplitude of the tuning fork by laser time-averaged holographic interferometry, and the frequency by Vibration Meter Type& 2511, and observed the vibration mode with photoelectric scanning method.

我们尝试了用音叉作为一个简单的空间频率调制器，用时间平均全息干涉法测量了音叉的振幅，并测量了它的频率，用光电扫描法观测了其振动模式。

BK channel, Ca2+-activated voltage-dependent K+ channel plays a crucial role in modulating a number of important physiological processes, such as neuronal excitability, frequency tuning of hair cells, smooth muscle contraction, and immunity.

BK通道（Ca2+激活的电压依赖的K+通道）在很多重要的生理过程中起着非常重要的作用，比如神经兴奋性，耳毛细胞的频率调节和平滑肌细胞的收缩和免疫。

A self tuning fuzzy control system for variable frequency variable speed drive for cotton gin

轧花机变频调速参数自调整模糊控制系统

Differences of temporal frequency tuning properties of sustained and transient neurones in cat's lateral geniculate nucleus

猫外膝体持续细胞和瞬变细胞时间频率调谐特性的差异

The invigorative vibration force, mass and amplitude and the original frequency, dynamical coefficient as well as the value of tuning of vibration were analyzed and calculated. The mathematical model of vibrancy was constructed and dynamic simulation and analysis was carried through for the model.

通过对激振器激振力、质量、振幅及固有频率、动力系数和调谐值的分析计算，建立起激振器振动的数学模型，并对其进行了仿真分析。

A theoretical frequency tuning range of 12.5-100 GHz or 40-110 GHz is obtained. Such a large tunable frequency range is difficult to achieve using conventional electronic techniques.

两种方案的频率可调谐范围在理论上分别可以达到12.5-100GHz和40-110GHz，如此大的可调谐频率范围使用传统的电子学方法是难以实现的。

S-Band Wide Frequency Tuning Klystrons used in Aeronautical Management and Meteorological Radar

航管和气象雷达用S波段宽频率调谐速调管