frequency bandwidth

After the signal is processed through a low-pass filter, a very realistic waveform is obtained which can show pulsed nature, frequency, amplitude and bandwidth of television picture signals.

并将生成信号经低通滤波器处理，从而最终得到了一个能够充分反映电视图像脉冲性、频率、幅度和带宽特点的较为逼真的信号波形。

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Frequency bandwidth and duty ratio are main specifications for the controllable neutron source.

频带宽度与占空比是可控中子源的主要技术指标.

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The industry and market needs to promote the performance of electronic systems. As the semiconductor technology advances, the on-chip clock speed and board-level clock speed increases yearly. High-speed circuit bandwidth has accessed to the traditional circuit microwave frequency bands.

需求不断地推动着电子学系统的性能发展，随着半导体工艺的进步，片上时钟的速度和板级时钟的速度都在逐年提高，信号的带宽已经进入了传统的微波电路的频带范围。

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Its song consists of amplitude modulating pulse trains, the repetition frequency being about 180 Hz. The measurable bandwidth is 200-12500 Hz with the main peak at 5 kHz.

其鸣声由重复频率约180Hz的调幅脉冲列组成，可见带宽200&12500Hz，主峰频率5kHz。

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The frequency bandwidth increases first and then decreases while the dimension ratio of the back blind flange increases, the bandwidth obtains optimal value just as the dimension ratio achieves at about 1.

频带宽度则随着后盖板径长比的增加而先增大后减小，且当后盖板径长比约为1时可得最优带宽。

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By theoretical and experimental analysis, relations between the utmost frequency bandwidth of the system and the thrust force of the cylinder& rated flow of the servovalve are established, which are applied to guide the design of servo systems in the wind tunnel.

通过理论及对试验结果的分析，总结出伺服系统极限频宽与油缸推力和伺服阀流量的关系，并应用于对风洞电液伺服系统的设计。

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A method of calculating the Greenwood frequency and the needed control bandwidth of the deformable mirror of an adaptive optical system from measured PSDs was discussed.

还建立了一种根据实际测量的波前相位功率谱数据估测自适应光学系统变形镜需要控制带宽大小和大气湍流格林伍德（Greenwood）频率的方法。

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In addition higher particle velocity and smaller particle size result in a wider temporal frequency bandwidth.

此外,颗粒速度越大,时域频带越宽,颗粒尺寸越大,频带越窄.

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Also the filter has a wide frequency bandwidth.

该滤波器有很宽的带宽.

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The scheme can keep frequency bandwidth and symbol rate as the uncoded MFSK system.

该方案可保证频带宽度和符号速率同未编码的MFSK系统一样.

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Since the expanding of the frequency bandwidth is mainly within the effective one, the main energy spiking deconvolution can usually produce a satisfied result by taking a very small white noise coefficient even in the case that more serious noises exit in the seismic record.

由于主能量反褶积主要是在地震波的有效频带范围内拓宽频谱，因此即使在噪音比较严重的的情况下仍可取很小的白噪系数而获得较好的反褶积效果。

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This method broadens the silence frequency bandwidth of muffler and improves its silence fuction.

这种方法拓宽了消声器的消声频带宽度,改善了消声器的消声性能.

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Each filter has flexible adjustability of its time window and frequency bandwidth. Therefore, high mode resolution and short observation time window can be self-adaptively achieved.

每个滤波单元时频域带宽柔性可调，能根据测量要求自适应取得较高的模式分辨率和较短的观测时窗长度。

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The vibration measurer for testing parasitic resonance must have good unidirectivity and sufficient frequency bandwidth.

测定寄生谐振的振动台要有良好的单向性和足够宽的频带。

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