theory of signal detection meaning in English
信号探测理论,信号检测理论
Examples
- Through researching the definition , source and formation of wideband weak signals , and using the basic theory of signal detection ， we presents the method of dual - receiver cross correlation processing
通过对宽带弱信号定义及来源、宽带信号的形式的研究，运用信号检测理论的基本原理，提出了“双通道互相关处理”算法。 - Since the western countries began the srfcs research in the eighties , theory of signal detection is used in fdi , and it was successful in some fdi functions in several types of testing aircraft . china did the srfcs research recently , but lack of the engineering fdi algorithm . because the " model based signal detection algorithm " is sensitive to the matching accuracy of the mathematics model and aircraft has prominent nonlinear aerodynamic factors , it is difficulty to upgrade the ability of fdi based on the classical signal detection theory and data fusion only
国外自八十年代开展自修复研究，一般采用基于常规数据处理的故障检测理论来实现飞控系统故障检测与隔离功能，现已在几种验证机上取得初步成果，而国内的研究尚缺乏实用的工程算法；同时，基于常规数据处理的故障检测精度对被检测对象的数学模型匹配度敏感，且飞机的气动特性在故障情况下又具有较强的非线性特性，因此，单纯依靠常规的信号处理算法难以进一步提高故障检测的精度。 - In this paper , according to the theory of signal detection and estimation , the optimal receiver pattern of pn code signal is introduced and theoretically , the relation curve of the probability of the correct detection with the input s / n ratio under the different probabilities of false alarm is illuminated
根据信号的检测和估计理论，文中分析了数字相关器实现伪码信号接收的最佳模型，从理论上计算了在不同的虚警概率下，检测概率随输入信噪比的变化曲线，并分析了doppler效应对伪码相关接收的影响。 - The major researches in this thesis include : applying the digital signal processing technology and theory of signal detection & estimation to estimate carrier frequency of the sensing signal that reflects the measurand ; implementing the algorithm in labview , a virtual instrument development platform
本文的主要研究内容是：运用数字信号处理技术和信号检测、估计的基本原理从无源、无线saw谐振器型传感器的传感输出信号中提取出反映被测量的信号主频，并在虚拟仪器软件开发平台labview上实现了测量算法。