频带

The consistency of the results from the present method and the scatter center model method are derived from the stationary phase method in high frequency region, whereas the present method is general and suitable for the analysis of angular glint in the entire frequency band.

利用驻相法说明所提方法和散射中心建模方法在高频区的结果是一致的，而所提方法适合在全频带上分析目标角闪烁。更具一般性。

Planar Archimedean antenna has some advantages as wideband,small volume and good performance in circularly polarizing ,so it has broad appliance prosperity.

平面螺旋宽带天线具有频带较宽、体积较小、圆极化性能较好等特点，应用范围很广。

Statistical multiplexing and fast packet switching are adopted by Asynchronous Transfer Mode which has the advantages of flexibility and higher bandwidth efficiency.

对突发业务进行统计复用可以获得很高的频带利用率，采用快速分组交换技术能做到真正的"业务综合"。

Simulation results show that, for the fixed sampling frequency, the error rises with the frequency increasing of periodic signal, and decreases with the attenuation time constant increasing of non-periodic signal. The sampling frequency determines the upper limit of appropriate frequency band directly. The research provides the basis for the selection of cutoff frequency in filter design.

仿真结果表明，在采样频率确定时，对于周期信号，计算误差随频率的增加而增大，而对于非周期信号，计算误差随衰减时间常数的增大而减小，采样频率大小决定了插值法用于分布参数模型的适用频带上限，该研究为滤波器设计中截止频率的选择提供了依据。

The results of numerical modeling indicate that the thin film microstrip lines with finite ground width have good broad band characteristics and the characteristic impedance, attenuation constant and effective dielectric constant have small change with the finite ground width changing.

作者用该程序对有限接地面薄膜微带线进行了时域仿真，结果显示在保证传输模不受干扰的情况下，在较宽频带范围内有限接地面对微带特性有微弱影响。

Wideband amplifier, realized by the technology of automatic gain control, is used widely in radar system and other correlative electronic fields.

采用自动增益控制技术实现的宽频带放大器在雷达系统及其他相关电子领域有著广泛的应用。

But Astropulse searches for broad-band transmissions that are spread across a 2.5 MHz band of the spectrum.

但是 Astropulse 搜寻的是分布在一个长 2.5 MHz 的频率区间的宽频带信号。

All band interference affects the entire spectrum range.

所有频带干扰影响整个频谱范围。

So MIMO systems theoretically can achieve very high data transmission rate on band limited frequency spectrum.

采用该技术不仅能在有限的频带上实现高速率的信息传输，而且还能够改善无线通信系统的性能。

Then based of it, we combine the log periodic antenna with the biconical as a broadband assembled antenna.

然后在此研究基础上对三角天线进行研究分析，并将对数周期天线与之组合设计制造出一副组合式宽带天线，用于展宽对数周期天线的频带宽度。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。