The broadband FM signals and the narrowband CF signals travel out to a target, reflect from it, and return to the hunting bat.
宽带FM信号和窄带CF 信号传输到目标，从目标反射回来，然后返回猎蝠。
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 gorgeous color image combines both narrowband and broadband images recorded using three different telescopes.
色彩斑斓的照片合成了用三架不同望远镜拍的窄频和宽频图像。
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。
What is more, engineers expect these UWB units to be cheaper, smaller and less power-hungry than today's narrowband radio devices.
尤有甚者，工程师期望这些超宽频元件，能比今天的窄频无线电设备更便宜、更小、更不耗电。
Faster data transmission for narrowband users.
数据传输快，适合窄带用户。
Three proposed approaches are used to obtain narrowband multichannel filters.
介绍了三种获得窄带多通道滤光片的方法。
The wideband and narrowband correlations for two hydrophones were also calculated.
同时也计算了两个水听器噪声的宽带和窄带空间相关系数。
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。
Two examples of narrowband transmission filters dedicated to Earth observation are described.
给出两种用于地球观测装置的窄带透射滤光片实例。
The detection problem of dim signal is studied based on narrowband dual-polarization radar system.
针对窄带极化雷达系统，本文研究了微弱信号的检测问题。
This paper proposes a method for narrowband interference suppression in Direct Sequence Spread System (DS-SS).
该文提出一种基于门限估计的直接序列扩频(DS - SS)通信系统窄带干扰变换域抑制方法。
But when the frequency of components is too near, HHT cannot shift the narrowband signal because of mode confusion.
但由于模态混淆，当信号组合分量的频率太接近时，HHT常不能正确分解窄带信号。
At present, narrowband interference suppression technologies in time domain and transform-domain are widely studied.
目前，扩频通信窄带干扰的抑制技术主要有时域抑制和变换域抑制。
Deep researches have been done for the testing method of the narrowband filter, and the testing system was established.
深入研究了窄带滤光片的测试方法，并建立了测试系统。
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。
The algorithm produces optimal weight by combining wideband with narrowband weight on the premise of accurate DOA estimation.
该算法在已精确估计出信号和干扰 方向的前提下，把窄带权和宽带权相结合形成最优权。
But to the CW pulse signal with changing frequency, it is difficulte to realize tracking filter with common narrowband filter.
但是，对于中心频率不断变化的CW脉冲信号，使用常规的硬件窄带滤波器很难实现对其跟踪滤波。
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。
Corresponding to the narrowband dual - polarization radar system, the detection problem of dim signal is studied in this paper.
本文研究了窄带极化雷达的微弱目标检测问题。
A novel adaptive ultrawideband (UWB) narrowband interference suppression method is presented based on cognitive radio (CR) theory.
提出了一种基于认知无线电的自适应超宽带(uwb)窄带干扰抑制方法。
The detection problem of dim signal is studied based on mono-frequency or narrowband dual-polarization radar system in this paper.
该文针对窄带极化雷达系统，研究了微弱信号的检测问题。
Two-way light signals were transmitted, collected and converted by using lens, beam splitters, narrowband filters and photo-detectors.
通过透镜、二向分光镜、窄带滤光片、光电转换器件实现了两路光信号的传输采集和转换。
According to the experiment, the plan on future narrowband ISDN is given. The properties and prospect of this primary ISDN are discussed.
在实验基础上，提出了未来窄带ISDN计划，分析了这种初级ISDN的特点及发展前景。
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 small signal analysis for high frequency modulation characteristics of specific wavelength laser diode with narrowband filter was presented.
采用窄带滤光片作为选频元件对精确波长激光器高频调制特性进行了小信号分析。
This article mainly expounds principles and methods of computer-aided diagnosis and debugging technology platform for cascaded narrowband filter.
本文阐述了建立级联式窄带通滤波器的计算机辅助诊断和协同调试技术平台的原理和方法。
The paper introduces development of narrowband SPA-H weathering steel by adopting the process of "converter-narrowband" instead of "EAF-narrowband".
采用“转炉-窄带”工艺路线开发生产SPA - H耐候钢带替代同品种“电炉-窄带”。
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冲光束的解析传输公式。
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冲光束的解析传输公式。
应用推荐