微弱信号

微弱信号下基于模糊度解算的辅助式GPS接收机定位算法研究

Method for assisted-GPS positioning based on ambiguity resolution in weak signal environment

基于非线性滤波的GPS微弱信号处理的研究

Study on GPS Weak Signal Processing Using Nonlinear Filter

伟大的领导者可以辨认出指向大变化到来的微弱信号或微妙迹象。

Great leaders recognize the weak signals or slight signs that point to big changes to come .

基于遗传RBF网络的混沌背景微弱信号检测方法

Method of weak signal detection embedded in chaos based on genetic RBF network

最大Lyapunov特性指数在微弱信号检测中的应用

Application of maximal Lyapunov exponent to weak signal detection

CH4检测系统微弱信号处理电路研究

Design on Faint Signal Proceeding Circuit for CH_4 Detection System

基于Duffing振子和ML的微弱信号幅值估计新方法

A Novel Amplitude Estimation Method of Weak Signal Based on Duffing Oscillator and ML

一种LD泵浦Nd：YVO4/KTP激光微弱信号检测实验系统

An Experimental System for Weak Signal Detection Using LD Pumped Nd : YVO_4 / KTP Laser

基于Duffing振子微弱信号检测方法及SOPC实现

Weak Signal Detection Based on Duffing Oscillator and Its SOPC Implementation

ICA在信号特征的提取，微弱信号提取方面有很好的效用。

ICA has a good effect in feature extraction , as well as weak signal detection .

该系统大大提高了ESR谱仪在短寿命自由基测定及微弱信号检测方面的应用。

It improved greatly the ESR spectrometer in measuring the short life free radicals and the weak signal .

Duffing振子的两种检测微弱信号的方法及区别

Two Methods of Weak Signal Detection of Duffing Oscillator and their Difference

锁相检测由于具有很高的抗噪声性能，在微弱信号检测中得到了广泛的应用，同样适合于轻敲模式AFM系统。

Phase lock system is used widely in weak signal detecting because of the high nature of noise-immune .

从强信号背景中提取微弱信号的DBF算法

DBF Algorithm of Weak Signal Extraction From the Background of Strong Signals

基于稳健Wigner-Ville分布的微弱信号检测算法

Research on the Weak Signal Detection Algorithm Based on Robust Wigner-Ville Distribution

本文对SAL中的微弱信号检测技术进行了研究。

In this paper , the weak signal detection technique of SAL is discussed .

利用DSP实现时域信号的取样积累平均算法，改善信噪比，有效恢复淹没于强背景噪声中的微弱信号。

The system adopt DSP accomplishing the arithmetic of sampling accumulate average of signal , improving Signal - to-Noise Rate , acquiring weak signal which shielded by vast powerful noise .

软正交矢量型LIA在微弱信号检测中的应用

Application of Faint Signal from Noise with Soft Orthogonal Vector ′ s LIA

由于最大Lyapunov特性指数是指示动力学系统是否处于混沌状态的重要参数，所以将最大Lyapunov特性指数作为混沌判据引入基于Duffing振子的微弱信号检测中。

The maximal Lyapunov exponent ( LE ) is introduced in Duffing systems since it is an important parameter denoting whether the dynamics system is chaotic .

利用TI公司软件开发平台CCS，以微弱信号检测为理论基础，研究了数字滤波器、数字锁定放大器技术，最终实现了性能稳定的光源驱动单元以及光纤氢气的信号检测系统。

By using CCS of TI software development platform , I researched the digital filter and digital lock-in amplifier technology on the theoretical basis of Weak Signal Detection .

本文介绍了一种用于超导临界温度Tc测量的双端输入微弱信号放大器，分析了它的设计特点、电路原理及技术措施。

This paper presents a dual input terminal-weak signal amplifier used to measure the critical temperature T_c of superconductor , analyses its character in design , circult principle and technical measures .

本论文研制的是气相色谱仪的关键电路部分，主要包括电源系统、温度控制系统、微弱信号检测放大电路、CPU外围电路等部分的设计。

This paper studied and designed the key circuit of the Gas Chromatography Analyzer , mainly including the designing of electrical power system , temperature control system , weak signal examination and enlargement circuit .

采用OMAⅢ微弱信号检测系统研究了人血液荧光光谱在激光照射下的变化情况。

OMA - ⅲ system was used to detect the change of human blood fluorescence spectrum induced by He-Ne laser .

算法借鉴静止图像DCT数字水印盲检测的研究成果，首先将待测信息通过随机共振系统，对其中微弱信号进行放大。

With the help of research results of blind detection on DCT digital watermarking , the algorithm passes the test information by stochastic resonance system so as to amplify weak signals .

针对红外水分仪出来的信噪比相对较低的微弱信号，利用MATLAB小波分析工具包进行了小波软阈值滤波的可行性仿真之后，编写C语言程序进行实际实现。

Considering the signal 's SNR is relatively low and it belongs to weak signal , some feasible simulations of the wavelet soft threshold filter with MATLAB wavelet analysis tool packet are done , and the C program is compiled and executed .

针对系统动力学行为相变量上的判别依据问题，将Lyapunov特性指数作为混沌判据，引入微弱信号混沌检测领域。

The LCEs ( Lyapunov Characteristic Exponents ) is employed in the field of chaotic detection for weak signal for the first time to the special dynamic system as the criteria for chaos .

基于Duffing振子的微弱信号检测方法研究Duffing-harmonic振子同伦分析法求解

The Research of Weak Signal Detection based on Duffing Oscillator Homotopy analysis approach to the Duffing-harmonic oscillator

为了拾取ECG中微弱信号，需要应用信号同步平均技术来提高信噪比；其效果取决于同步参考点的检测精度。

In order to pick up low level signal in ECG , it is necessary to use signal synchronous averaging technique to improve SNR , and the effect is determined by the accuracy of detecting synchronous reference-point .

该文结合自行研制开发的人体生物电信号处理系统，首先讨论了生物电信号的特点，针对Windows环境下多任务、实时性、微弱信号提取等关键技术提出了一套解决方法。

In this paper , the characteristics of biological signal are firstly discussed , and then serveral application methods focus on multitasking , real time , weak signal filtering and processing in Windows system are given to set up a biological signal monitoring system .

最后，本文还研究了用于FAIMS的微弱信号检测技术。

Finally , techniques for detecting the weak signal of FAIMS are also studied in this article .