scattering noise 中文意思是什麼

scattering noise 解釋
散射噪聲
  • scattering : adj. 1. 分散在不同方向的，分散在不同范圍的。2. 廣泛擴散的。3. （選票）數量分散的，不集中的。n. 1. 散亂。2. 在媒介質中的散播。3. 【物理學】散射。adv. -ly
  • 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. Due to the fact that the problem of reconstructing image from compton scattering energy spectral data is an ill - posed problem, any error or noise in the measurements will be amplified in the reconstruction results

    由於從康普頓散射能譜直接求逆重建密度圖像是一個不適定性問題，測量的微小誤差會在重建結果中被放大。
  2. On the basis of increasing the flaw resolution of the x - ray radiographic system, the study is firstly concerned with the analysis made on the influence of such factors as redial sources energy, system noise, optics radiography and scattering on the radiographic system in theory, and the present dissertation looks at the methods for acquiring the radiographic system point sp read function, line spread function and module transfer function ( mtf ). on the basis of these studies, research the spread properties of the tiny flaw making use of mtf, acquiring the properties of system inspecting sensitivity and resolution, based on the system optimization designing

    本文以提高射線成像系統的疵病解析度為前提，首先在理論上對射線源能量、系統噪聲、光學成像、散射等各環節對成像系統的影響進行分析，探討成像系統的點擴展函數、線擴展函數及其調制傳遞函數（ moduletransferfunction ，簡稱mtf ）獲取方法，在此基礎上，利用mtf研究微小疵病的擴展特點，從而得到系統的檢測靈敏度和解析度給出關系特性，為系統優化設計提供依據。
  3. Besides, homomorphic filtering was introduced into the contrast enhancement of the radiographic image with scattering noise

    此外，針對射線圖像的散射噪聲，提出用同態濾波的方法實現對比度增強。
  4. Mainly its disadvantage is that the back - scattering beam is very weak, that the signal - to - noise ratio is lower

    但該技術存在一些不足之處，主要是背散射信號微弱，檢測困難。
  5. First in this paper, we review the development of radar signal processing and cfar detector, analyse the structure and principle of the signal processor, ca - cfar and os - cfar detectors. then, in view of the characteristic of prc cw signal, analyses the statistics characteristic of scattering bodies, models of target, noise, ground - clutter and weather - clutter are made. these lay a theoretic foundation of signal processing and cfar detector

    然後，本文針對x波段偽隨機m序列相位編碼連續波信號體制，分析了各種散射體的統計特性，對雷達目標及檢測背景噪聲（熱噪聲、地雜波和氣象雜波）進行了理論分析和統計檢驗，建立了目標及檢測背景的目標模型，確立了信號處理和恆虛警檢測的理論基礎。
  6. Therefore, the noise such as crystal scattering due to long exposure time can be suppressed, and storage capability and fidelity can be improved. the high - density holographic storage system, including on - line and off - line heating units, has been designed and implemented for our experiments

    研製了包括在線與離線小型精密溫控加熱裝置、晶體夾持器和角度? ?分維復用光學讀寫系統等主要部分的高密度全息存儲的熱固定系統，該系統操作靈活並具有實用性，其存儲能力不少於10000幅全息圖。
  7. Different with the traditional ifog, light beams within mz - ifog transmit along the forward direction, which avoid the kerr effect noise and the interferometric noises brought by the backward scattering and reflecting light. mz - ifog also gains a high using efficiency of light source and a strong output signal. the principle of mz - ifog is analyzed

    與傳統sagnac干涉式光纖陀螺不同，此光纖陀螺結構簡單，兩路光信號採用前向傳輸，避免了後向傳輸光對光源的影響，也避免了後向散射、反射光帶來的相干噪聲以及光學kerr效應噪聲，光功率利用率高，輸出光功率大。
  8. In chapter 3, under the wideband radar system, some parameter estimation methods of scattering center are studied in the white noise and clutter background

    第三章以寬帶階梯變頻雷達為研究背景，在白噪聲和雜波條件下，研究了提取目標強散射中心的參數估計方法。
  9. In this paper a kind of interferometric optical fiber gyroscopes based on mach - zehnder interferometric principle is proposed. the signals of this novel optical fiber gyroscope transmit along the positive direction, which avoid the interferometric noise, causing by the negative - directional scattering light and reflecting light, and the kerr effect noise. in this novel optical fiber gyroscope the light power ' s utilization efficiency is high, the output signal is strong

    本文提出一種基於mz干涉原理的干涉式光纖陀螺，該種光纖陀螺的光信號採用正向傳輸，避免了後向傳輸光對光源的影響，也避免後向散射、反射光帶來的相干噪聲以及光學kerr效應噪聲，光功率利用率高，輸出光信號大。
  10. The back scattering raman signal with the information of temperature is weak or completely submerged in noise. as a result, the denoising level determined the accuracy of the whole system

    對stokes和anti - stokes後向散射光的消除噪聲的水平直接關繫到整個系統的測溫精度，因此必須採用微弱信號檢測技術。
  11. Adopting noise - initiation mode of stimulated brillouin scattering ( sbs ), the transient sbs equations are numerically solved, and the intensity distribution of transmission beam when the gaussian beam passes brillouin medium is simulated

    摘要採用布里淵噪聲起源模型求解受激布里淵散射瞬態耦合波方程，數值模擬了截面光強為高斯分佈的光束通過布里淵介質后的光強分佈。
  12. The paper primarily researches a kind of nonlinearity of fiber - the effect of srs ( stimulated raman scattering ) to wdm ( wavelength division multiplexing ) system and the gain and noise properties of fiber raman amplification exploited with srs

    本文主要研究了光纖中的一種非線性效應?受激喇曼散射對數字波分復用傳輸系統性能的影響，以及利用它所開發的光纖喇曼放大器的增益和噪聲特性。
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