frequency band的例句大全

Realization of Suppression of Narrow-Band Interferences In Direct Sequence Spread Spectrum Signal Using Frequency-Domain Algorithm

直扩信号中多窄带干扰自适应抑制的频域算法及系统实现

The designed DCXO adopts Pierce architecture. The frequency drift correction is done by using a 6-bit automatic frequency control ( AFC) signal generated by the feedback correction loop between the oscillator and the base band. The long term stable frequency output has been obtained.

所设计的数控晶体振荡器采用Pierce结构，利用基带与振荡器的反馈环路产生的6位自动频率控制信号，对振荡器的频率漂移进行校准，能得到长期稳定的频率输出。

Purpose: High frequency low noise amplifier application, HF band amplifier application.

用途: 用于高频低噪声放大, 高频放大.

Since 1987, some scientists in different countries have come to calculate the parameters of FCN by the observational data of gravity tide waves on the diurnal frequency band. They basically followed the Stacking Method, which needed five diurnal waves for the resolution.

1987年以来一些国家的学者相继开展了由潮汐资料解算FCN常数的研究，他们基本上都采用了5个周日波参与解算的迭积法（stacking method）。

Next, the research progress of the LHM in microwave frequency band is presented.

其次概括叙述了微波波段左手材料的研究进展。

First, the concept of LHM and the methods to realize it in microwave frequency band are introduced.

首先介绍了左手材料的基本概念，左手材料在微波频段的实现方法。

It also discusses some developing trends and researches topics for future LEO/ MEO satellite communication systems, such as satellite constellations, frequency band, satellite OBP and ISL, and network platforms.

还从星座、频率、星上处理及星际链路、无线技术、网络技术等方面讨论了LEO/MEO卫星通信系统的发展趋势和研究热点。

Noise-Normalization Combining ( NNC) is applied in Differential Frequency Hopping ( DFH) receiver to improve the performance of DFH system in rejecting Partial-Band Jamming ( PBJ).

该文提出了一种噪声归一化合并（NNC）差分跳频（DFH）接收机模型以提高差分跳频系统抗部分频带干扰能力。

The distance between the acoustic-emission source and the receiving transducer, and the background noise level are primary factors in selecting a particular frequency band.

声发射源与接收讯号传感器间的距离以及环境噪声的电平是选择频带的主要依据。

Booster compressor noise has the characteristics of wide frequency band, intense low fre-quency sound and considerably high total sound pressure level.

增压机噪声具有频带宽、低频声强烈，且总声级又相当高的特性。

The millimeter wave ( MMW ) Inter-pulse stepped frequency radar is a type of wide band high-range-resolution radar.

毫米波脉冲频率步进雷达是一种宽带高距离分辨率雷达.

UWB is an emerging wireless technology capable of high data rate transmission over a wide spectrum of frequency band with very low power.

UWB（超宽带）是一种以极低功率在短距离内高速传输数据的无线技术。

According to the trend and request of software radio, the paper introduces the effective technique of increasing frequency-bandwidth efficiency, reduces or eliminates ISI based on band signal disposing.

根据软件无线电发展的方向和要求，介绍了通过对基带信号处理来提高频带效率，减少或消除无符号码间干扰（insigninterferer，ISI）的有效方法；

This thesis presents the design and manufacture of a V-band frequency quadrupler.

本文研究了V波段四倍频器的设计和研制方法.

Several shortcomings of SRR suggested by Pendry resist the practice of LHM. The composite structure of SRR and wires has the disadvantages of high loss and narrow frequency band.

Pendry所提出的应用SRR和金属线实现的左手媒质结构有几个明显缺陷，高损耗，窄频带，相对大的结构尺寸使得这个结构还不能进入实用阶段。

LMS adaptive filters can suppress high power narrow band interference effectively in frequency domain.

频域的LMS自 适应滤波算法可以有效抑制扩频系统中的强窄带干扰.

In contrast with general IP data acquisition, DNM expands frequency band of power, widens sampled time and raises detective rate.

与传统的激发极化数据采集方法相比，电场差分法增加了供电的周期，扩大了采样的时间区段，提高了采样的速度。

It can be typically used in high frequency common mode inductors and ADSL wide-band transformers.

其典型应用是高频共模电感和ADSL变压器.

The two ultra-high frequency outer antenna sensors are made with wide band and narrow band respectively. The gain of two sensors is both greater than 1 and VSWR of the sensors is less than 2 in effective bandwidth range.

研制了宽带和窄带两种超高频外置天线传感器，两种传感器增益均大于1，驻波比在其有效带宽范围内均小于2，均能用于GIS局部放电超高频检测。

With the application, the research on detection system advances towards higher frequency band, i.e. submillimeter wave ( SMMW) band.

随着应用的不断深入，探测系统的研究正向着更高频率的波段&亚毫米波波段的方向发展。