Dolpins also navigates by some kind of echo system.
原来海豚也是借助某种回声系统寻向的。
The frame and key technological parameters of the laser remote sensing echo waveform collection system were stated.
描述了激光遥感回波波形采集实验系统主要构成以及关键技术参数。
The normal sonar system rotates its beam, either continuously or under the operator's control, and the position of maximum response to a particular echo is taken as the bearing of the target.
普通声纳系统旋转它的电波，可连续或根据运营商的控制，以及对特定回波的最大响应状态被记录为与目标间的联系。
The problems of echo cancellation in the system of high rate data transmission are studied in this paper.
本文探讨高速数据传输系统中的回波抵消问题。
Then it introduces some classical arithmetic of audio information hiding, such as Least Significant Bit, Phase Coding, Echo hiding. And we use them in our system to realize covert communication.
然后介绍了几种经典的音频信息隐藏算法，如最不重要位，相位编码和回声编码，并且将它们用在我们这套系统中实现了隐秘通信。
And then it introduces synthetic aperture radar system model, the original echo of the simulation methods and R-D imaging algorithm.
然后建立了合成孔径雷达的系统模型，介绍了原始回波的模拟方法和R - D成像算法。
The dissertation tries to combine signal processing and information fusion with the application background of mine recognition so as to improve the reliability and accuracy of echo recognition system.
论文偿试把现代信号处理技术与信息融合技术相结合，应用到具体的水雷目标识别领域，以提高水雷回波识别系统的准确性和可靠性。
The Parktronic system operates on the echo-sounder principle.
驻车定位系统根据回波发声器原理工作。
This article introduces the architecture of a self-testing system for echo signal simulator.
介绍了回波信号模拟设备的自动检查与测试部分的系统结构。
In order to analyze these algorithms better in the actual environment, we have designed an echo canceller data acquisition system.
同时，为了更好的分析各种算法在实际语音环境下的性能，我们还制作了一个回声抵消数据采集系统。
Movement compensation is the key technique in synthetic aperture sonar(SAS) imaging, and it is normally realized in SAS system by the cross correlation of the raw echo data of multiple-receiver.
运动补偿是合成孔径声纳（SAS）成像的关键问题，SAS系统一般利用多接收元回波信号的互相关特性进行运动补偿。
This thesis mainly discusses the front-end of the high-speed signal process in the system. Namely, it involves the radar echo video signal sampling.
本论文涉及的是该系统中高速信号处理的前端，即对雷达回波视频信号进行采集。
The algorithm discussed in the paper has realized echo cancellation with software in real time within our video conference system.
文中所阐述的算法已在电视会议系统中实时实现了软件的消回声处理。
The architecture and principle of a video echo simulating system based on PCI buses and DSP (TMS320VC33) is introduced, advances a method of simulating video echo in dummy object condition.
文中介绍一种基于PCI总线和DSP (TMS320VC33)的视频回波模拟系统的组成结构和工作原理，提出一种在虚拟目标环境下视频回波模拟的方法。
In this paper finally designs a really voice communication system, including three parts: Acoustics Echo Cancellation (AEC), Speech Enhancement and automatic gain control (AGC).
本文最终设计了一个真实的语音通信系统，包括声学回声消除(aec)、语音增强和自动增益控制(agc)三部分。
Logo composed of two parts, head and tail echo image of the performance of the MCMS system and the target population interaction.
标志组成的两个部分，首尾呼应，形象的表现了MCMS系统和目标人群的互动。
X band bistatic Doppler weather radar is a new kind of weather detection radar system. It can detect three dimensional wind vector fields from the echo of rain.
波段双基站多普勒天气雷达系统是一种新型气象探测雷达系统，主要用于测量降雨回波的三维风场。
Introduce how to design hardware system structure of radar signal echo simulator by using CPLD and DDS.
介绍利用复杂可编程逻辑器件CPLD和直接数字合成专用电路dds，设计雷达信号回波模拟器的硬件系统。
This thesis represents acoustic echo cancellation in voice communication system.
论文首先研究了用于声音通信系统中的声回波抵消技术。
When there is faint Doppler echo in noise, the system output is intermittent chaotic, and the Doppler shift can be obtained accurately by calculating the interval of chaotic state.
当噪声中含有微弱的多普勒回波时，通过理论分析可知系统输出为阵发混沌状态，且可根据混沌状态的间隔周期较准确地求出回波信号的多普勒频移。
Adaptive filtering is widely used in system identification, signal separation, channel equalization and echo cancellation and other fields.
自适应滤波广泛应用于系统识别、信号分离、信道均衡以及回声抵消等领域。
Radar signal preprocessing system is mainly responsible for the radar echo signal acquisition and processing a series of clutter.
雷达信号预处理系统主要负责对雷达回波信号的采集以及一系列的杂波处理。
Radar echo simulation technology has been widely used in radar system adjustment, performance assessment and equipment maintenance.
雷达回波模拟技术为雷达系统的调试、性能评价和设备维护提供了必要条件。
Moreover, we introduce the echo method into our simulator, so that it is able to check the configuration of the system and locate connective defaults automatically.
我们还将“回声”技术引入该模拟器，使其可自动检测系统的配置规模并准确定位连接故障。
Finally, an echo simulating model is built for the laser ranging system of a real self-propelled AA gun, and is investigated by using SCTROF. The results show that SCTROF is effective.
并以一个实际自行高炮的激光测距系统为原型，建立了其回波仿真模型，用SCTROF对此仿真模型进行了研究，结果表明，该理论是有效的。
The interface circuit presented in this paper is designed for the real-time echo processing system in Model-713 radar.
本文介绍的接口电路是为《713雷达回波信号实时数字处理系统》设计的。
Compared with the traditional adaptive feedback suppressor, this system has been added a new component, the residual echo suppressor component.
与传统的自适应的方法比较，增加了系统识别和驻波抑制的相关模块，一定程度的提高了传声增益。
Measured fully and analyzed effectively CW, LFMCW and simulated echo of object signals, accomplished the debug with the radar system.
对线性调频连续波信号和目标回波模拟信号进行了全面的测试分析，完成了波形发生器与整个雷达接收系统的联调。
Measured fully and analyzed effectively CW, LFMCW and simulated echo of object signals, accomplished the debug with the radar system.
对线性调频连续波信号和目标回波模拟信号进行了全面的测试分析，完成了波形发生器与整个雷达接收系统的联调。
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