computerized tomography 中文意思是什麼

computerized tomography 解釋
電腦化x射線層析照相法
  1. Considering the nonuniqueness and instability of ultrasonic computerized tomography for structural concrete as well as the ultrasonic transmission characteristics in concrete, a natural weight matrix with dear physical meaning was introduced in the inverse algorithm

    摘要針對混凝土超聲波層析成像結果不唯一和穩定性差的問題,首先依據超聲波在混凝土中的傳播特點,在反演演算法中引入物理意義明確的自然權矩陣,對走時較小的射線和射線較密的成像單元加以重權。
  2. Bronchoscopy and computerized tomography demonstrated a polypoid intratracheal mass obstructing 90 % of the lumen

    支氣管鏡和電腦斷層檢查皆顯示乳突狀樣氣管內腫瘤,幾乎阻塞了百分之九十的氣管內徑。
  3. Computerized tomography ( ct ) is a typical non - invasive examination techniques in medicine, which can depict anatomical structures without damaging the human body. lt is based on the principle : under a number of angles, the x - ray attenuation in a cross section of a human body is measured by detector resulting in a set of profiles. this set of profiles is called the radon transfoim of the object in mathematics. the problem now is to reconstruct a two - dimensional image via inverting its radon transform

    它所基於的成像原理是:人體的某個剖面在若干個角度上被x射線束照射,照射后x射線的衰減量被檢測器記錄下來,形成投影集合,數學上將這個投影集合描述為該剖面的radon變換,通過反演radon變換就能夠重建剖面的二維圖像。
  4. Computerized tomography of the abdomen showed gas formation in the upper pole of the left kidney

    腹部電腦斷層顯示出在靠近左腎的上極部份有氣體的生成。
  5. In this paper, the author discusses in detail an efficient iterative image reconstruction algorithm in industrial computerized tomography ( ict ) with the narrow fan - beam projection

    本文對工業ct窄角扇束掃描方式下的迭代圖像重建演算法進行了研究。
  6. Computerized tomography theory and applications

    理論與應用研究
  7. Computerized tomography showed inferior rectus muscle enlargement in the right eye and inferior rectus, medial rectus, and superior oblique muscle enlargement in the left eye

    經電腦斷層顯示,右眼下直肌和左眼下直肌、內直肌以及上斜肌有肥厚的現象。
  8. Observation of perfusion of cerebral blood flow and metabolism of brain cells in transient ischemic attack patients with single photon emission computerized tomography

    單光子發射計算機斷層掃描符合線路顯像觀察短暫性腦缺血發作間期患者腦血流灌注及腦細胞代謝狀態
  9. Reference to the convention means of the analysis and research for energy spectrum hardening and photon scattering in internal and external, and based on the physical mechanism of radial interacts with matter, this paper approximatively deduce a theoretical formula of correction of energy spectrum hardening and scattered radiation in transmission industrial x - ray computerized tomography from a ideal model. and presented a correction computer program

    本文在分析研究國內外有關射線能譜硬化和散射修正問題的分析方法及其研究狀況的基礎上,從射線同物質相互作用的物理學機理出發,從理論上近似推導了x射線能譜硬化和散射修正計算公式,建立了散射修正的分析模型,並編制了相應的計算機修正程序。
  10. Evaluation and differentiation of early parkinson disease and essential tremor by 99tcm - trodat - 1 single photon emission computerized tomography

    1單光子發射計算機斷層腦顯像對早期帕金森病與原發性震顫的評估與鑒別
  11. Identification and characterization of radiological images in medical diagnosis - digital imaging with digital radiography, digital subtraction angiography and computerized tomography

    醫學診斷x光片的識別和標識.用數字掃描術數字成像
  12. Last, a new idea of using cfi to fuse numerical simulating results into optical computerized tomography ( oct ) reconstruction is proposed to make up the lack of information in the case of incomplete data

    進一步提出了cfi用於數據融合數值計算數據解決數據不完全的光學層析術( oct )病態問題的一種新的思想方法。
  13. The treatment for non - small cell lung carcinoma with computerized tomography - guided radiofrequency ablation combined with bronchial artery infusion

    導向多彈頭射頻聯合支氣管動脈灌注治療非小細胞肺癌
  14. This paper introduces a design of computer system for the low price industrial computerized tomography

    本文介紹了針對低價位工業ct系統體系結構的設計方法。
  15. The projections of field are obtained by hartmann wave - front sensor, and an estimation of physical parameter spatial distribution is realized by computerized tomography reconstruction technique

    重建系統由哈特曼傳感器探測平行光束穿過流場后的投影波前,採用計算機層析技術重建流場物理量的空間分佈。
  16. The applications of x - ray computerized tomography to geotechnical engineering

    射線技術在巖土工程中的應用
  17. Numerical simulations and experiments show that improved algorism of lti is effective to trace rays including back waves and suitable for computerized tomography to complex object

    數值模擬和試驗研究表明lti改進演算法是一種有效的射線追蹤方法,能追蹤回波,適合復雜對象的層析成像。
  18. Computerized tomography ( ct ) is a typical example among these methods

    計算機輔助斷層成像( ct )便是這方面的一個典型代表。
  19. Computerized tomography ( ct ) is a typical non - invasive examination technique, which can depict anatomical structures without damaging the human body

    計算機斷層成像技術,是一種非介入式的檢測技術
  20. The first one expounds the research history of computerized tomography ( ct ) and rayleigh wave exploration, and points out some currently existing problems

    第一部分詳細介紹層析成象( ct )和瑞雷波勘探方法的研究歷史,並指出了當前存在的問題。
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