英语释义

1. operating at, responsive to, or including a narrow range of frequencies

片语

narrowband FM窄频带调频

Narrowband Compressor压缩

narrowband channel窄带信道

narrowband channels窄带通道

narrowband codec窄带音频编解码器

Narrowband ADCP窄带ADCP

narrowband cdma窄带cdma

narrowband model窄带模型

narrowband UVB的窄谱中波紫外线

英汉例句

• A method of narrowband interference suppression in transform-domain, which is based on adaptive threshold, is presented.

  对一种基于自适应门限的变换域窄带干扰抑制技术进行了研究。

• Both images were made using narrowband filters and different color mappings.

  两张照片都用窄波段滤光镜和不同颜色映射。

• The essence of the fact that wideband signal can not be effectively transmitted using narrowband phased array in scenarios with large aperture and scan Angle is given.

  以线性调频信号为例，揭示窄带相控阵在大孔径宽扫描角情况下不能有效发射宽带高分辨信号的实质。

• First, the models of the narrowband and broadband array signal processing are introduced simply. Subsequently, the primary knowledge of blind signal separation is analyzed.

  首先简要介绍了窄带和宽带阵列信号处理的模型，接着论述了盲信号分离的基本理论。

• Up to now, research on smart antenna has been restricted to narrowband wireless systems.

  到现在为止，对于智能天线的研究仅限于窄带无线系统。

• A new modulated lapped biorthogonal transform (MLBT) was introduced for narrowband interference suppression in spread spectrum communications.

  引入一种新的调制重叠双正交变换(MLBT)用于扩频通信窄带干扰抑制。

• The results show that the EWC threshold method of complex wavelet transform can effectively suppress the periodic narrowband interference from GIS UHF PD signals.

  研究结果表明：基于EWC阈值法的复小波变换能够有效地抑制GIS特高频PD信号中的周期性窄带干扰。

• The system can issue a pure tone, tone twitter, narrowband noise and natural sound of the voice signal, and can adjust the loudness and frequency of the signals with some accuracy.

  该系统能发出纯音、啭音、窄带噪声和自然声等声音信号，并可对信号进行一定精度的响度和频率调节。

• The color scheme used in the narrowband composite was made popular in Hubble Space Telescope images, mapping emission from oxygen, hydrogen, and sulfur atoms to blue, green and red colors.

  窄频合成配色方案用了流行的哈勃太空望远镜的图像，氧、氢和硫的发射分别用蓝色、绿色和红色绘制。(疑问：不是一般用红色代表氢发射的吗？)

• According to frequency spectrum transfer characteristic of modulation and demodulation, we think the position measurement noise is Gaussian narrowband noise.

  根据调制解调的频谱转移特性，提出了有效位移噪声是高斯窄带噪声。

• One of the most prominent 「discoveries」 occurred in 1977 when Dr Jerry Ehman observed a powerful narrowband radio signal detected by the Big Ear radio telescope in the Ohio State University.

  其中最杰出的发现一次发现发生在1977年，当时杰瑞·艾曼博士在俄亥俄州立大学用大耳的天文望远镜探测到一种很强的窄频带无线电。

• The multiuser detection is used to suppress the digital narrowband interference in the system that the spread spectrum users share the same frequency band with the narrow-band users.

  研究在扩频用户与窄带用户共享同一频带构成的交叠系统中，采用多用户信号检测技术抑制数字窄带干扰。

• The subjective quality and performance of VMR-WB is superior to that of existing narrowband and wideband coding standards operating at the same bit rates.

  在相同的速率下，VMR-WB语音声码器的主观质量和性能较现有的窄带和宽带编码标準都有明显的提高。

• There have many kinds of noises in site, thereinto white noise and periodic narrowband noise are tow important noises.

  现场存在着各种各样的噪声，其中，白噪声和周期性窄带干扰是两类重要的干扰。

• Furthermore, the change of the noise through narrowband filter and detection circuit and the effect on the radar tracking precision are analyzed in quantity.

  对噪声经过窄带滤波、检波电路后的变化及其对雷达跟蹤精度的影响进行了定量分析。

• In this dissertation, some methods for narrowband interference suppression and impulse interference rejection in the low orbit satellite spread spectrum communication are studied.

  本文针对低轨卫星扩频通信的窄带干扰和脉沖干扰抑制方法进行了研究和仿真。

• It includes narrowband images recorded using filters sensitive to emission from oxygen atoms, shown in blue-green hues, and hydrogen atoms in red.

  图中包括了使用对氧原子放射物敏感的过滤器记录的窄频带图像，以蓝绿色表示，而氢原子以红色表示。

• Starting from paraxial wave equation, analytical propagation expressions of hyperbolic secant pulsed beams with narrowband and broadband are derived.

  从近轴波动方程出发推导了窄带和宽带双曲正割脉沖光束的解析传输公式。

• Akamai's annual State of the Internet report is loaded with all sorts of interesting, if not terribly surprising, tidbits about both broad and narrowband connections around the globe.

  Akamai每年都会发布有关于英特网的年度报告，这个报告不出意料的话应该会有很高的涵盖面，报道包括宽带和窄带在全球的发展趋势。

• The hardware circuits of narrowband suppressing jamming for PRCPM fuze are implemented.

  硬件上实现了伪码调相引信窄带压制性干扰。

• Although narrowband models of the HF channel have existed for many years, with the development of the HF communication they are not applicable to the complex wideband HF channel conditions.

  尽管短波窄带信道模型已经诞生了几十年，但是随着短波通信向宽带化发展，它已经不能适应复杂的短波宽带信道条件。

• The bandwidth of target signal after stretch processing and narrowband filtering, the data sample ratio and computing burden are reduced greatly and the method is easy for engineering implementation.

  经拉伸处理和窄带滤波的目标信号带宽大大降低，数据采样率也大大降低，因此计算量减小，利于工程实现。

• An algorithm for the suppression of narrowband interference in the direct sequence spread-spectrum (DSSS) systems is presented.

  提出了直接序列扩频通信系统中抑制窄带干扰的一种算法。

• The beamforming techniques used in narrowband systems are inadequate for wideband systems because they result in main-beam squinting and null shifting.

  窄带系统中使用的波束形成技术对于宽带系统来说是不合适的，因为他们会导致主瓣偏斜和零陷偏移。

• Research has shown that broadband users than narrowband users will not have the patience.

  有研究显示，宽带用户比窄带用户更没有耐心。