查询词典 frequency bandwidth

However, this proposed alteration has a much larger operation bandwidth than the prototype. Additionally, based on our analysis, the fact is found that the balun's outputs are always equal in magnitude and opposite in phase within all frequency ranges, as long as the material is homogeneous.

此外，而在此章节分析中，发现只要实作在均质材料中，其输出在所有的操作频率皆会具有相同的振幅与相反的相位，所以这两种巴伦即使在具有损耗的环境中，仍可正常运作。

Through the analysis of frequency and bandwidth, the optimal excitation position was got to guide the resettlement of the actual source.

通过分析远场子波的主频及频宽得到最佳激发位置，来指导实际震源的安置。

A single-loop 5-order 1-bit quantization structure is chosen along with OSR of 64, first sampling capacitor of 6pF, clock frequency of 128MHz to achieve 16-bit resolution and 1MHz base-bandwidth.

在系统设计方面，选用前馈结构，它有助于实现调制器的稳定和降低第一级积分器的线性设计要求；同时通过系数调整把第一级积分器的摆幅降下来，有利于低电压运放的设计。

Its phase noise dominates in the frequency domain outside the loop bandwidth.

在锁相回路的回路频宽外，压控振荡器的相位杂讯为锁相回路之主要杂讯来源。

The precision is improved by selecting the proper frequency and bandwidth, calibrating the initial parameter and compensating the errors. Compared with the conventional method, it has high sensitivity and rapid responsibility. Experimental measurements show that it is fit for practical engineering application.

通过选择合适的测量频率和带宽、对初始参数校准和误差补偿等方法提高了测量的精确度，与传统的倾角仪相比具有很高的灵敏度和响应速度，实验表明可满足实际工程应用要求。

In order to increase the negative refraction bandwidth and the dimension of metamaterials, based on a quadrate structure, a crossing-net metamaterial structure is proposed, and the frequency properties of its permittivity and permeability are simulated.

为拓宽异向介质结构的带宽和维数，在方形环结构的基础上，提出了一种异向介质的交叉网状结构的设计，并对其介电常数和磁导率的频率特性进行了计算机仿真。

Ceramic capacitors have very low ESR and their resonant frequency is higher than the bandwidth of the regulator.

陶瓷电容具有很低的ESR和其共振频率超过了监管机构的带宽更高。

With increasing frequency and adding bandwidth, design of RF circuit is harder and harder.

随着频率的提高和带宽的增加，射频前端的设计越来越困难。

On the basement of passband subsampling and digital downconvertion, according to QPSK with 30M carrier frequency and 8M bandwidth, digital IF channel is elaborately analyzed .

以对中频为30MHz，带宽为±4MHz的输入QPSK信号进行带通欠采样和数字下变频为基础，提出和分析了中频数字化通道的实现方案，进行了相应的多相低通抽取滤波器的设计，并针对数字中频信号就数字下变频模块进行了仿真，从而验证了整个下变频系统参数设计的可行性。

On the basement of passband subsampling and digital downconvertion, according to QPSK with 30M carrier frequency and 8M bandwidth, digital IF channel is elaborately analyzed .In this module, multiple phase filters are elaborately designed .According to this module, IF digital signal is simulated .

以对中频为30MHz，带宽为±4MHz的输入QPSK信号进行带通欠采样和数字下变频为基础，提出和分析了中频数字化通道的实现方案，进行了相应的多相低通抽取滤波器的设计，并针对数字中频信号就数字下变频模块进行了仿真，从而验证了整个下变频系统参数设计的可行性。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。