signal detection theory 中文意思是什麼

signal detection theory 解釋
信號察覺理論
  • signal : n 1 信號，暗號；信號器。2 動機，導火線 （for）。3 預兆，徵象。adj 1 暗號的，作信號用的。2 顯著的...
  • detection : n. 1. 探知；發現，發覺；敗露。2. 【化學】檢定，檢查；【電訊】檢波。
  • theory : n. 1. 理論，學理，原理。2. 學說，論說 （opp. hypothesis）。3. 推測，揣度。4. 〈口語〉見解，意見。
  1. 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。
  2. 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。
  3. 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。
  4. 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。
  5. 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。
  6. 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。
  7. 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。
  8. 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。
  9. The main job of this research is : ( 1 ) analyze the operation situation of power system during faults ; pay attention to the traveling wave on the three - phase transmission line ; study the equation of voltage on three - phase transmission line with impedance capacitance coupling between phases ; contact the voltage on any point with the fault voltage, study the singularity of the voltage signal in fault point, and make it to be the base of the new fault detection method ; ( 2 ) apply the singularity detection theory based on wavelet analysis to the power system faults detection, give a complementary criterion to current fault detection criterion, study how to select the basic wavelet, how to filter noise, how to detect the singular point or fault point, and finally give a total solution. the simulations prove it to be a quick, correct and effective fault detection method

    本文的主要工作有： （ 1 ）分析電力系統在發生故障時的運行狀態，尤其對三相傳輸線上的故障行波進行了分析和研究，推導了考慮相間耦合的三相傳輸線電壓方程，並將傳輸線上任一點的電壓與故障點電壓建立起聯系，得出了傳輸線上電壓信號在故障點處的奇異性，並以此作為構造新的故障檢測演算法的理論基礎； （ 2 ）將基於小波變換的信號奇異性檢測理論運用於電力系統故障檢測中，針對目前相關研究的不足，提出了電力系統故障檢測判據的補充判據，通過對基本小波的選擇、除噪措施、信號奇異點也即故障點的檢測方法所作的分析，給出了一個可行的解決方案；模擬研究表明：這是一個快速、準確、有效的故障檢測演算法。
  10. 36 covers the fundamentals of digital communications and networking, including the basics of information theory, sampling and quantization, coding, modulation, signal detection and system performance in the presence of noise

    36包含數位通訊和網路基礎，其中計有基本的資訊理論、取樣及量化、編碼、調變、訊號偵測及有雜訊時的系統效能。
  11. 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

    根據信號的檢測和估計理論，文中分析了數字相關器實現偽碼信號接收的最佳模型，從理論上計算了在不同的虛警概率下，檢測概率隨輸入信噪比的變化曲線，並分析了doppler效應對偽碼相關接收的影響。
  12. The application of signal detection theory in ships ' lookout at sea

    信號檢測論在船舶瞭望中的應用
  13. Signal detection theory

    信號檢測論
  14. Judging by the different magnitude and direction of the wavelet packet coefficient modular maximum, we can select the single phase - to - earth line. the method using wavelet singularity detection theory to extract the fault time is discussed. a fault distance measurement algorithm combining wavelet analysis used for separating the character from the transient fault signal with artificial neural networks used for the nonlinear approximation from the transient character to fault distance is presented

    論文提出利用各個出線零序電流在頻帶上小波包系數模極大值的方向和大小的不同來實現故障選線，討論了利用小波分析的奇異性來判斷故障啟動時刻，提出將小波分析和人工神經網路結合，利用人工神經網路的非線性逼近能力，實現故障暫態量到故障距離的非線性映射，完成測距。
  15. The detection system is realized in virtual instrument based on the theory of weak signal detection by duffing oscillator

    本文的最後依據duffing振子微弱信號檢測原理，利用虛擬儀器實現了該檢測系統。
  16. Signal estimation theory for discrete stochastic systems with multiplicative noises ( smn ) is very important in many applications such as oil seismic exploration, underwater remote targets detection and speech signal processing

    帶乘性噪聲系統的最優估計理論在石油地震勘探、水下目標探測、語音處理等諸多領域都有重要的應用價值。
  17. 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

    國外自八十年代開展自修復研究，一般採用基於常規數據處理的故障檢測理論來實現飛控系統故障檢測與隔離功能，現已在幾種驗證機上取得初步成果，而國內的研究尚缺乏實用的工程演算法；同時，基於常規數據處理的故障檢測精度對被檢測對象的數學模型匹配度敏感，且飛機的氣動特性在故障情況下又具有較強的非線性特性，因此，單純依靠常規的信號處理演算法難以進一步提高故障檢測的精度。
  18. Abstract : based on signal processing theory about high - order cumulants ( hoc ), a fast, inexpensive and unbiased cumulants estimation approach is proposed for the detection of multifrequency signals between offices connected to telephone networks

    文摘:基於高階累積量的信號處理理論，提出了一種快速、簡便且無偏估計的方法對多頻信號進行有效的檢測。
  19. Analysis on code switching from the perspective of signal detection theory

    從信號察覺理論的角度分析語碼轉換
  20. With the development of signal processing techniques and fast algorithms, the signal detection theory got much progress. generally speaking, robust detection methods can be divided into two major branches, classical methods which are based on robust hypothesis testing and modern methods based on new signal processing methods

    同時信號處理方法和計算機以及快速計算技術的快速發展大大豐富了信號檢測的手段，可以在原來理想模型的基礎上進行魯棒化（ robustification ） ，或者採用新的檢測方法。
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