signal detection 中文意思是什麼
signal detection
解釋
信號檢測-
This dissertation is focus on the temperature sensitive mechanism of the brillouin - scattering signal and on the basis of domestic techniques, the methods and approaches of signal detection and processing in distributed brillouin fiber - optical sensor system. a digital multi - point average method ( digital boxcar ) has been proposed based on the characteristics and the sorts of fiber - optical sensors and by analysis the feature of the brillouin - scattering signal, and also comparisons of all sorts of weak - signal detection theory
論文在全面了解光纖傳感器的分類和特點及分散式光纖傳感器的原理和發展歷程的基礎上，通過分析被檢測的光纖布里淵後向散射信號的特點，研究和比較了微弱信號檢測的各種方法，最終選定了多點數字信號平均（數字boxcar ）的處理方案。 -
Through the processing method basing on wavelets, implementing the removing noise about section gauss noise to colure full tv signal, we resolve the theory and practice problems in the processing of weak signal detection
摘要通過基於小波分析的處理方法，實現對彩色全電視信號一段被高斯白噪聲干擾的降噪，解決微弱信號檢測過程中遇到的理論和實踐問題。 -
Therefore, to find the suboptimum detection schemes which have low complexity as well as good performance close to mld is the main problem of mimo signal detection
因此，低復雜度、逼近mld性能的次優信號檢測演算法一直是mimo信號檢測所要解決的問題。 -
Characteristics of photoionization signal detection instrument
光離子化信號檢測儀的若干特性研究 -
Combining the basic laws of psychophysics and signal detection theory, we use two - alternative forced - choice ( 2afc ) to study the threshold change of human electric sense under different noise levels
在心理物理實驗中，結合心理物理學和信號檢測論的基本原理，採用了二間隔的強迫選擇法（ 2afc ）作為實驗方法，研究不同噪聲量級情況下人體電感覺閾值的變化。 -
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
本文的主要研究內容是：運用數字信號處理技術和信號檢測、估計的基本原理從無源、無線saw諧振器型傳感器的傳感輸出信號中提取出反映被測量的信號主頻，並在虛擬儀器軟體開發平臺labview上實現了測量演算法。 -
Wavelet packet transform is used to improve the snr of the incoherent integral radar echo, and bispectrum algorithm is used for signal detection in this united detecting algorithm, based on the modeling for the through - wall radar echo
在對穿墻雷達回波信號建模的基礎上，用聯合演算法將非相干累積后的回波信號經過小波包變換提高信噪比，再用雙譜演算法進行信號檢測。 -
Design of non - contact life - parameters signal detection system
非接觸式生命參數信號檢測系統的設計 -
The application of chaos theory to weak signal detection is a creationary research, which extends the application field of chaos theory and impels the development of weak signal detection theory
將混沌理論應用於微弱信號檢測是一個開創性的研究，它拓寬了混沌理論的應用領域，將微弱信號檢測理論推進了一大步。 -
A method of dsss signal detection based on stft and 3rd order cumulant
和三階累積量的直擴信號檢測法 -
Set up a model for lfm signal detection and parameter estimation on the basis of realization of the digital computation of discrete fractional fourier transform 4
3 .在分數階fourier變換離散數值計算實現的基礎上，建立了lfm信號的檢測與參數估計系統模型，並模擬實現。 -
On the basis of study of fractional fourier transform and its digital computation, the main aim in this paper is to study the applications of fractional fourier transform in lfm signal detection and parameter estimation, to research filtering of lfm signal in the fractional fourier domain and the digital image watermarking in the fractional fourier domain
本文以研究分數階fourier變換的基本理論與應用為目標。在深入分析分數階fourier變換原理和數值實現的基礎上，對lfm信號的檢測與參數估計， lfm信號的分數階fourier域濾波，以及二維分數階fourier變換在數字圖像水印中的應用作了研究和模擬實現。 -
The method and performance according to the requirements are resolved mostly. main contents as follows : ( 1 ) according to the demodulation guideline, a differential detection system is applied to the dpsk signal demodulator, which is based on the analysis and comparison using the principle of optimal binary signal detection
著重解決在皮衛星體積結構，重量和功耗限制條件下的方案選擇和性能問題，具體內容包括： （ 1 ）對一般二進制信號的最佳檢測原理進行分析比較，針對本系統要求選擇了dpsk信號差分檢測系統的方案。 -
In modern shortwave communication, the length of signal existence time in single channel is very short for reducing the probability of being intercepted, thus the difficulty of signal detection and extraction increased
摘要在現代短波通信中，作為低截獲率通信手段之一，單個通道內信號持續時間大大縮短，從而增加了信號檢測與提取的難度。 -
Signal detection of global climate change and external forcing factors
近百年全球氣候變化與外強迫因子信號檢測 -
In fore part of the article, sr theory and any gene which affect sr happening are generally recommended. we also research deeply about condition of sr phenomenon happening. faint signal detection system communication between dsp processing system and pc managing system are described in the detail in back of this article
本文前半部分簡略介紹了隨機共振理論及各種影響隨機共振因子之間的相互關系，對隨機共振發生的條件進行了深入研究；本文後半部分就小信號檢測系統的隨機共振演算法以及dsp系統與pc機間的通信進行了詳細的描述。 -
The channelized digital receiver based on srd is the electronic equipment, which can be used in communication and military affairs, because of its excellence on wide band frequency coverage, digital processing, software programming, high dynamic range, receiving signal with all probability, simultaneous signal detection and so on
基於軟體無線電思想的通道化數字接收機是一種即可用在通信領域也可用在軍事領域的電子設備，具有大帶寬、數字化、軟體化、大動態范圍、全概率接收、多信號同時處理等優點。 -
Cross - components suppression is always the intractability in the studies of tfd and the difficulty in signal processing we should overcome. on the other hand, the cross - components have much information of two ( or more ) signal components, so it is suitable for signal detection
因此，抑制交叉項一直是時頻分析研究領域一個十分棘手的問題，同時也是時頻分析得以更廣泛應用於各信號處理領域所要克服的網難之一。 -
In this dissertation, a full and detailed instruction of mimo - ofdm signal detection algorithms is given together with the computer simulation results. besides, the lattice theory and basis reduction are introduced in mimo - ofdm signal detection to get better performance
文中系統而全面的介紹了目前mimo - ofdm系統主要檢測演算法，通過模擬比較了不同演算法的性能;還結合格理論和基約減對演算法進行了優化，提高了檢測性能。 -
Based on this model, a full introduction of all kinds of signal detection algorithms is given. the lattice theory is introduced and formed a new mimo - ofdm system on lattice space. with lll basis reduction applied on this model, the detection algorithms are optimized
第二章首先給出了mimo - ofdm系統的一般數學模型，基於此模型，重點介紹了mimo - ofdm系統各種信號檢測演算法，並通過引入格理論，建立了格空間的mimo - ofdm系統，利用基約減演算法對檢測進行優化。
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