查询词典 frequency band

The signal processing system consists of a band pass filter with center frequency of 2.856 GHz and bandwidth of 10 MHz,a logarithmic detector,a analog digital converting module...

本系统有效地采用了虚拟仪器的技术，具有模块化、开放性、易于交互、可扩展的特点，测试结果表明，其分辨率达到0.1 mm，符合设计要求。

Frequency range: Low band - 30,000 to 52.95 MHz.

频率范围：低频段-30，000至52.95兆赫。

In this paper,a low cost W band frequency tracing transceiver system is presented,which is used for digital communication.

本文采用频率跟踪方案，实现了W波段数字通信系统，并详细描述了系统的关键技术。

The shock of these crystal-band frequency distribution, the same will interfere with other signals.

这些晶振的震荡频率分布的频段，同样会对其他的信号产生干扰。

The transmittance performance of LuBiIG garnet film by LPE method and polycrystalline garnet film by RF magnetron sputtering in THz frequency range has been investigated and the results show that garget film is with low absorbance coefficient at THz band, and minimum value is 0.01- 0.2/cm, and garnet films are potential materials in THz wave-guide application.

结果发现：该种石榴石薄膜在THz波段(0.1—3THz)有着很小的吸收损耗系数，最小值为0.01---0.2／cm之间，是一种非常有潜力的THz波导传输材料。

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Measurement system of ultra wide band frequency response based on optical heterodyne technique.

基于光外差技术的超宽带频率响应测量系统。

This simple definition ignores the fact that amplifier output impedance usually varies considerably across the audio band, increasing with frequency as the negative feedback factor falls; this indicates that the output resistance is actually more like an inductive reactance.

这个简单的定义忽略了功放输出阻抗通常是随着音频带而变化，负反馈因素降低的时候频率也增加这一事实。这就意味着输出电阻实际上更像是一个电感电抗。

The thesis studied the woodworking tension band saw blades by means of the vibration theories,made sure the relationship between tension force and inhesion frequency of its system.

应用振动理论，对经过适张处理后的木工带锯条进行研究，确定张紧力与系统固有频率之间的关系，提出将带锯条的振动简化为弦的振动与受拉伸的梁振动。

Development process of the wide-band intermediate frequency phase meter is introduced completely in this paper.

比较全面地介绍了-宽带中频相位计的研制过程。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。