Supported by a project, this thesis presents the technology about passive sonar display and signal detection in design of the sonar display console.
本文结合工程项目的需要,介绍了在设计被动声纳显示平台中所使用的信号检测技术和显示处理技术。
With the analysis of the feature of GPS signal, passive detecting for ship objects using GPS signal is studied in this paper.
在分析GPS信号特性的基础上,对利用GPS进行舰船目标的无源探测进行了分析研究。
The paper introduce the theory of surface acoustic wave sensor, the digital signal treatment, the method of soft design in the passive and wireless tire pressure monitoring system in detail.
文章详细介绍了无源无线轮胎压力监测系统中的声表面波传感器工作原理、回波信号组成、数字信号处理和软件开发方法;
The technology has turned itself into a necessary process in terms of producing precision complex signal, linear network and passive network.
在生产精确的混合信号、线性和被动网络方面,该项技术己成为必要工序。
The self-starting condition expressed by the small signal spot size variation is demonstrated, according to the passive absorber-like self-starting condition.
并利用类可饱和吸收体实现被动锁模的自启动条件,给出了用小信号光斑变化量表示的克尔透镜锁模启动条件。
For the problem of loss of target signal during target tracking in passive seeker, a new method is presented for anti-loss of target signal based on target state estimation.
围绕被动导引头跟踪过程中目标辐射源信号丢失的问题,提出一种基于目标状态估计的抗目标信号丢失方法。
In high pulse-density environment, it's hard to avoid another radar signals from the forecasting gate given by a signal tracer in passive radar seeker signal processing system.
密集信号环境下,被动雷达导引头信号处理系统中,由信号跟踪器给出的预测宽波门中难免会有异部雷达信号。
The signal received by passive coherent radar contain four-part: direct signal, echos of still object, echos of moving object, and interference.
无源雷达系统接收到的信号有四部分组成:直达波信号、静物回波信号、动目标回波信号以及干扰噪声。
The control signal of opening or closing door must be passive contact.
开关门控制信号必须是无源触点!
The train signal guiding system (on board) consisting of passive intermittent responder, train GPS system, and multiple computer checking system are equipped on the section.
站间是以车载设备为主的,由无源点式应答器、GPS列车卫星定位系统、多机校核系统构成的列车信号引导系统。
In this article, performance of estimation of signal parameters in PAssive Synthetic Array (PASA) is studied, focusing on the background of airborne platform intercepting narrowband microwave signals.
针对利用机载运动平台对窄带微波信号进行侦测的背景,研究了被动虚拟阵列(PASA)对窄带微波信号的参数估计性能。
The paper analyses the energy and signal noise ratio (SNR) with grating to measure passive laser wavelength in real time, provides the theoretical basis for measurement and error from the method.
从理论上分析了利用光栅实时测量被动入射激光波长的能量分布及信噪比,给出了计算公式及误差分析。
By studying the principle of hearing system in identification of sound signal, a method of feature extraction for passive sonar target based on critical band spectrum energy is proposed.
利用被动声纳目标辐射噪声特征主要集中在低频部分的特点,结合听觉系统识别声音信号的原理,提出了一种被动声纳目标临界频带频谱能量的特征提取方法。
Particularly, the paper analyzes the four types of prioritizing signal strategies: passive, active and adaptive, and combination with other facilities.
对被动优先、主动优先、实时优先以及与不同设施相结合的信号优先控制策略进行了综述分析。
The question of passive localization of the underwater sources using matched-field processing is one of the hot topics in the field of underwater acoustical signal processing.
利用匹配场处理器技术对水下目标进行被动定位是国际水声界关注的热点问题之一。
So, during passive FTIR measurement, the temperature and the emission signal amplitude of the source must be observed carefully in order to get satisfactory instrument response function.
因此,在被动式测量时,要密切注意发射源温度以及发射源发射信号大小,以便获得最佳仪器响应函数校正结果。
The target echo of passive radar based on FM signal has the characteristics of low SCR and narrow band. Only the receiver with large dynamic range can receive the weak echo signal.
基于FM信号的无源雷达目标回波信号信杂比低,频带窄,只有开发大动态范围的接收机才有可能接收到微弱的目标散射信号。
Noise which comes from both active and passive circuit element in loop filter will deteriorate phase noise of output signal.
环路滤波器中的有源和无源器件均有噪声产生,此类噪声会叠加在输出信号上,从而恶化输出信号的相位噪声。
According to wavelet analysis theory, a signal picking up algorithm based on wavelet analysis is proposed to solve problem of passive CNS initial frequency calibration.
根据小波分析理论,针对无源北斗导航定位系统初始校频问题,提出了一种基于小波分析的信号特征提取算法。
Besides, it can be used both to measure the small signal S-parameters of active networks and the S-parameters of passive networks with high accuracy.
此法也可用于猜测一切有源网络的小信号s参数和一切无源网络的S参数。
The design of the signal processor in a passive direction finding system is presented.
介绍了被动雷达探测系统测向方法,提出了被动测向系统信号处理器的设计方法。
In this paper, the features of signal ambiguity function for FM, TV and DTV are listed and analyzed. The key techniques of passive radar system based on DTV signal are studied and analyzed.
分析、对比了调频信号、模拟电视信号、数字电视信号模糊函数的的特点,并针对数字电视信号,分析和研究了外辐射源雷达系统的关键技术。
This paper focuses on the research of the system structure of the synthetic environment of the passive sonar and the modeling and simulation test of the underwater sound synthetic signal.
以水中运动目标为例,给出了水声环境下,合成信号、环境噪声、海洋声学的数学模型和合成环境系统仿真实验。
If a radar operates passively, it can obtain the objective of passive direction finding against a jamming source by means of receiving and utilizing the jamming signal.
雷达无源工作时,可以接收和利用干扰信号对干扰源进行无源测向。
We present a novel method for providing broadcast signal transmission in a wavelength division multiplexing passive optical network (WDM-PON).
本文提出了一种能够传输广播业务的新的波分复用无源光网络方案。
Relationship between the target scattering function and the echo signal is deduced to hold as a Fourier transform pair by analyzing the texture of echo signal for a passive radar imaging system;
首先分析了无源雷达成像系统的目标回波形式,得到了目标散射分布函数和雷达接收信号之间的傅里叶变换对关系;
This topic research is a single-station passive location technology which uses phase difference change rate of the non-cooperation radiant signal to ascertain the target's location.
本课题的主要研究内容就:是如何利用非合作辐射源对运动目标进行无源定位。
Motherboard digital input port: the instrument main board provides 3 programmable input port. receives the passive contact switch signal.
主板数字输入端口.仪表主板提供3个可编程输入端口,接收无源触点开关信号。
Upon the low power design consideration, a hybrid active-passive loop filter is employed and the signal summing block is removed by using discrete-time differentiation technique.
基于低功耗设计考虑,调制器采用有源-无源混合型环路滤波器,并通过离散时间微分技术移除信号求和模块。
Upon the low power design consideration, a hybrid active-passive loop filter is employed and the signal summing block is removed by using discrete-time differentiation technique.
基于低功耗设计考虑,调制器采用有源-无源混合型环路滤波器,并通过离散时间微分技术移除信号求和模块。
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