该文首先分析了超宽带发射信号实现多址通信的原理。
In this paper, the principle of ultra-wideband multiaccess communication is analyzed with the transmitting signal.
第一类为广播电视，通过电视信号的宽带无线电波发射展现在大众面前；
First, there is broadcast television, which reaches the masses through broad-base airwavet ransmission of television signals.
2007年10月发射了首颗卫星宽带系统，提高了高带宽的通信能力，支持美国军事行动。
The wideband system, with its first satellite launched in October 2007, increases the high-bandwidth communications capacity available to support U.S. military operations worldwide.
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。
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.
宽带多普勒流速剖面仪在走航状态工作时，一次发射就可以获得一个剖面上多达128层不同深度的流速。
Broadband Acoustic Doppler current Profiler (BBADCP) measures the speed and direction of water currents and makes a profile of water current for up to 128 locations.
本文介绍一种超宽带无线接入技术的特点和接收、发射部分的基本结构。
The paper introduces the characteristics and the structure of receiving and sending of UWB wireless access technology.
为了抑制宽带干扰信号，在发射方向图上形成干扰凹口，提出了一种宽带宽角发射波束形成新方法。
In order to suppress wideband interference and make pattern null in the direction of interference, a new wideband transmitting beamforming method for a large scanning Angle is presented.
该系统采用大功率、可变发射脉宽的发送电路，高灵敏度、宽带的接收电路，能实现快速、动态、高分辨率的采集和成像。
The system uses a powerful transmitting circuit that transmits width-variable pulses, and a sensitive receiving circuit that offers quite wide frequency band.
自适应对消器可以有效地消除雷达发射机宽带泄漏信号对雷达系统本身的影响。
Adaptive canceller is used to reduce efficiently effects of a broadband leakage signal in radar transmitter on the radar system.
典型的超宽带雷达系统发射的是冲激脉冲信号，具有很大的带宽，但限制了系统的作用距离。
A typical Ultra Wideband Radar system emits impulse signal, which has wide band, but limited operating range.
换能器与功放匹配是宽带大功率水声发射的关键技术之一。
Match between the transducer and the amplifier is a key technology for a wide band high power underwater acoustic transmit system.
分析结果表明，宽带隙平面薄膜结构用作场致电子发射阴极，具有发射电压的阈值低，发射电子的能量分布范围小等优点。
The study result shows that the planar film structure is conformable for FEE cathode, because it has low voltage threshold and small range of energy distribution of the emitted electrons.
该文在基于子阵和发射为线性调频信号的前提下，提出一种宽带子阵数字波束形成方法。
This paper presents a new wideband digital beamforming method using subarrays and Linear Frequency Modulation (LFM) signal.
本文在超宽带雷达体制下分别从发射波形设计和特征波形检测两个角度来实现目标的检测和识别。
Based on the UWB radar system, the emitting waveform design and signature waveform detection are discussed respectively in this paper to realize the detection and discrimination of targets.
首次研究白高斯噪声（AWGN）信道下超宽带无线电通信系统中单个数据包单元发射信号能量的优化。
In this paper, the optimization of the transmitted signal energy for a data packet unit in UWB radio communications in additive white Gaussian noise(AWGN) channel is firstly investigated.
雷达的距离分辨率与发射信号的带宽成反比，要获得大的距离分辨率，必须发射宽带雷达信号。
Radar range resolution is influenced by its bandwidth, in order to obtain high range resolution, radar must emit wideband waveform.
为了抑制宽带干扰信号，在发射方向图上形成干扰凹口，提出了一种宽带宽角发射波束形成新方法。
But, as deeply into the study and the increase need of the practical application, broadband interference suppression become the new focus on that direction.
为了达到这一目的，最常见的做法是提高发射信号的带宽，但是超宽带信号的产生和处理会带来很大的硬件压力。
Improving bandwidth is the most usual approach to achieve the goal, but this method often brings more difficults to the accomplishment in hardware.
为了达到这一目的，最常见的做法是提高发射信号的带宽，但是超宽带信号的产生和处理会带来很大的硬件压力。
Improving bandwidth is the most usual approach to achieve the goal, but this method often brings more difficults to the accomplishment in hardware.
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