correlated noise 中文意思是什麼

correlated noise 解釋
相關噪聲
  • correlated : 相關的
  • noise : n 1 聲音,聲響。2 叫喊;嘈雜聲,噪音;喧鬧聲;吵鬧,騷動,騷擾。3 〈古語〉謠言,風聲。4 〈美國〉...
  1. 4 ) a uniform crb expression of bearing estimation for spatially distributed sources in unknown noise environments is derived. more exactly, the crb performance of bearing estimation for spatially distributed sources in several typical spatially - correlated noises is evaluated theoretically and numerically, respectively. it is disclosed that the estimated errors mainly depend on space ambiguity between signal and noise components

    4 )推導了未知噪聲環境中空間分佈源波達方向估計的統一的crb表達式,分析了幾種典型的空間色噪聲情況下分佈源波達方向估計的極限性能,揭示了信號分量和噪聲分量之間的空間混疊對分佈源波達方向估計的決定性作用。
  2. The parameters contain impulse noise, memory effect, scan correlated shift, coherent noise, random noise, dropped lines, inoperable detectors, saturated detectors, mtf, system resolution

    輻射性能參數包括脈沖噪聲、記憶效應、掃描相關偏移、一致噪聲、隨機噪聲、丟失行、不可操作探測器、飽和探測器、調制傳遞函數、系統解析度。
  3. The correlated double sampling ( cds ) circuits structure is used to reduce the fixed pattern noise ( fpn ) of the cmos sensors, and improve the signal - noise ratio ( snr ). the 256 photodiodes arrayed 4 quadrants sensor consists 16x16 active photodiodes array. correlated double sampling processing circuits, output buffer amplifiers and digital control part

    針對cmos製造工藝中mos器件固定模式噪聲( fixedpatternnoise , fpn )較大的不足,研究中採用了相關二次采樣( correlateddoublesampling , cds )電路降低固定模式噪聲,從而提高了傳感器的信噪比( signalnoiseratio , snr ) 。
  4. Computer simulation results show that the proposed algorithm reduces the signal distortion and the reverberation which are caused by misadjustment errors in the adaptive filter and the correlated component of the speech in the reference signal compared with a conventional adaptive noise canceller ( anc )

    模擬結果證明nanc演算法有效克服了影響傳統自適應噪聲抵消系統( anc )性能的一些瓶頸,如兩輸入中的非相關噪聲,參考輸入中的信號成分與自適應濾波器失調誤差而產生的信號失真、回響等情況。
  5. Development of time delay estimation of gaussian signal in non - gaussian spatially correlated noise

    一種推廣的非高斯相關噪聲中高斯信號的時延估計方法
  6. However, as to correlated especially coherent signals and adjacent signals with small signal to noise ratio ( snr ), music algorithm cannot estimate their doa

    然而,對于相關信號(特別是相干信號)以及相隔比較近的小信噪比信號, music演算法卻分辨不了它們的doa 。
  7. The problem of doa ' s estimation of multiple source signals incident on a arbitrary array in the presence of both unknown spatially correlated noise and sensor errors is firstly considered. a modified ml estimation of doa ' s and sensor gain errors is presented. unlike previous work, the proposed method does not impose any structure constraints or parameterization of the signal and noise covariances. the algorithm can be carried out via the alternating projection approach. finally, the performance of the proposed method is shown with computer simulations as well as real array data

    在空間相關色噪聲環境及存在陣列模型誤差情況下,首先給出了基於最大似然的doa及陣列幅相誤差聯合估計演算法,該演算法對信號和噪聲無任何約束,且適用於任意陣列結構。演算法可以利用交替投影迭代搜索實現,計算機模擬實驗和外場實測數據表明,本章演算法能給出比傳統的最大似然方法更高的估計性能。
  8. This dissertation aims at weak signal detection technology in micro - mechanical gyros, and digital correlated demodulation which can improve signal detecting accuracy is simulated ; methods of compressing signal band width to improve signal - to - noise ratio and analyzing error production to decrease system error are researched

    針對石英音叉微陀螺的微弱信號檢測技術,本文通過模擬表明:利用數字相關解調方法提取陀螺信號可以很好地提高檢測精度。
  9. Effects of pump noise and quantum noise with real and imaginary parts correlated on the dynamic properties of a single - mode laser

    實虛部關聯的量子噪聲和泵噪聲對單模激光動力學性質的影響
  10. At last, this paper analyzed the influence of the inversive receiver to the chracteristic of the clutter and the ratio of signal power and the noise power, discussed the effective detection of target signal in correlated clutter, and then put forward a new method naming multi - periods shift accumulation for detecting moving target when not knowing the exact movement parameter

    最後,本文分析了倒置接收對目標回波信噪比及雜波特性的影響,討論了在相關雜波區對回波信號有效檢測的方法。針對如何在彈目相對運動參數未知的條件下對高速運動目標進行積累檢測這一問題,提出了一種多周期移位積累的新方法。
  11. The dissertation systemically studies the multisensor system with correlated measurement noise

    論文系統的研究了各個測量傳感器相關的多傳感器融合系統。
  12. By augmenting the state vector, linearizing the nonlinear augmented state space model and adopting the equivalent measurement equation, the problem of strong tracking extended kalman filtering of nonlinear systems with additive combined colored noise can be converted into the problem of strong tracking kalman filtering of linear systems with correlated process and measurement noise

    通過增廣狀態向量、線性化非線性的增廣狀態空間模型和採用等效量測方程,將加性復合有色噪聲干擾下非線性系統的強跟蹤濾波問題轉化為過程與量測噪聲相關情況下線性系統的強跟蹤卡爾曼濾波問題。
  13. The research work will be in two aspects : in the background of uncorrelated noise and background of correlated noise. moreover, in this paper, we assume the delay to be static

    文中將從非相關背景噪聲和相關背景噪聲兩個大方面入手,來分析靜態時延下上述三種演算法的時延估計性能。
  14. From the analysis in theory, in the background of uncorrelated noise, the algorithms of lmstde, etde and etdge have good property in estimating delay. in the background of correlated noise, the lmstde is failed, but the etde and etdge can still estimate delay in sometime. their effect of estimation is strongly affected by the real time delay

    理論分析表明,在非相關背景噪聲下lmstde演算法、 etde演算法和etdge演算法均有著良好的估計性能;在相關背景噪聲下,傳統的lmstde演算法無能為力,而etde演算法和etdge演算法依然具有時延估計的能力,但是它們的估計效果要受到時延真值的影響。
  15. Base on the simu1ation model of signal and correlated noise model, the performance of different method is compared under different signal to noise ratio ( snr ). 6. the performance of differcni time delay estimation method is evaluated based on the analysis of real data

    通過模擬數據對同一信噪比不同延估計方法性能進行比較,對不同信噪比下每種時延估計方法的性能進行比較,尤其在噪聲不同相關性下對不同時延估計方法的性能進行比較,得到各種時延估計方法在模擬條件下的性能差異。
  16. We expatiate on the theory of ccd from the physical base and point out the different theory of ccd engendering noise. we describe the mathematic model of ccd output noise by correlation theory and analyze the noise quantificationally, it gives the correlation conditions. at these bases, we discuss the correlated double sampling elaborately

    課題從ccd的物理基礎入手,闡述了ccd的工作機理,對ccd的各種不同噪聲進行了深入分析,指出了ccd不同噪聲產生的原理,課題運用相關理論對浮置擴散放大器讀出方式工作的ccd輸出復位噪聲進行了數學描述,進而對復位噪聲的相關性進行了定量的分析和計算,給出了復位噪聲相關的條件。
  17. Two - levels and three levels algorithms are discussed in the more general system, which has control input and in which the processing noise and measurement noise are correlated gaussian white noise with nonzero mean

    針對存在控制輸入、過程噪聲與觀測噪聲相關且為非零均值高斯白噪聲的多傳感器系統,推導了二級、三級融合演算法。
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