imaging rate 中文意思是什麼
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Results the positive rate of lymphography was 88 % ( 16 / 18 ), and that for radionuclide imaging was 52 % ( 13 / 25 )
結論淋巴管造影，影像清晰，診斷容易，準確率高，對側方清除及腹主動脈旁廓清有指導意義。 -
Results : the total effect rate of pain palliation is 69. 7 %, the effect rate of prostate and breast cancer to bone attains 87. 4 % and 75. 6 %. 55. 1 % patients primary focuses were proved to be localized or improved through bone imaging
結果： 89鍶緩解骨痛的總有效率為69 . 7 % ，對前列腺癌和乳腺癌轉移性骨腫瘤患者有效率可達87 . 4 %和75 . 6 % ，骨顯像顯示55 . 1 %的患者原發病灶局限或改善。 -
The paper overviews the history of moving targets detection and imaging based on sar, the methods based on doppler filtering, doppler rate filtering, parameter estimation and multichannel sar imaging are discussed in detail. the paper focuses on the two methods used in spaceborne sar which are displaced phase center antenna and along - track interferometric
論文回顧了合成孔徑雷達檢測與成像運動目標的發展歷史，詳細地論述了基於多普勒濾波、基於多普勒速率濾波、基於參數估計以及基於多通道sar的運動目標檢測與成像方法。 -
This dissertation mainly researches the displaced phase center antenna ( dpca ) technique in the new system, and the contributions are calculated as following : 1. the doppler history is analyzed for the spaceborne bistatic sar, doppler center frequency and doppler fm rate computational methods are studied. summing up is done for the methods of moving target detection and imaging
本文完成的主要工作有: 1 .分析慢速運動目標信號特徵以及運動目標對sar成像的影響（多普勒中心頻率，多普勒斜率以及距離徙動誤差） ，總結了目前sar運動目標檢測與成像的主要方法。 -
Effect of different kind of background correction on glomerular filtration rate measured by dynamic renal imaging with 99mtc - dtpa
不同本底感興趣區對顯像法測定腎小球濾過率的影響 -
Conclusion to inquest the case history, examine the body carefully, combine the clinical symptoms with imaging examination can degrade the misdiagnosis rate effectively
結論仔細詢問病史，認真查體，將臨床表現與影像學檢查相結合進行綜合分析，可有效降低誤診、誤治率。 -
The detection rate for planar imaging in all patients was 78 % versus 91 % for spect / ct
在所有患者中平面顯像的檢出率是78 ，而spect / ct的是91 。 -
A diode pumped cr4 +, nd3 + : yag crystal self - q - switched laser is demonstrated with fiber coupled ld and the imaging system. the pulse laser with 1064 nm wavelength is obtained. the maximum average output power is 3. 36 w, and the pulse duration is 65 ns, and the repetition rate is 87 khz, the opto - optical efficiency is 15. 3 %, the slope efficiency is 23. 8 %
用光纖耦合輸出的ld ，通過成像系統會聚，對二極體泵浦的自調q激光器進行了實驗研究，得到了平均功率3 . 36w ，脈沖寬度65ns ，重復頻率87khz的1064nm脈沖激光。 -
After analyzing the theory of mtdi and setting up the model of moving target echoes, the dissertation discusses in detail the effect of moving target doppler center frequency and doppler rate on the conventional sar image. it also analyzes detailedly the range migration of moving target from time field and frequency field and provides migration model in both fields. after that, it divides algorithms of mtdi into several classes, analyzes the influence of signal - to - noise on the detection results and gives the flow chart of moving target imaging processing
本文的主要貢獻包括： 1 、建立了運動目標回波散射模型，深入探討了進行常規sar成像時，動目標的多普勒中心頻率和調頻率對動目標圖像造成的影響；從時域和頻域兩方面詳細分析了由於目標運動造成的距離徙動效應，建立了距離徙動模型；然後研究了動目標檢測原理，並對現有的檢測方法進行分類，使之更加系統化；詳細分析了動目標信噪比對檢測結果的影響，給出了sar系統動目標成像流程圖，指出了動目標成像中的關鍵環節。 -
Quantitative assessment of regional left ventricular contractile function in dogs during acute ischemia reperfusion using strain rate imaging
應變率成像定量評價犬急性缺血再灌注局部心肌收縮功能的實驗研究 -
In an off - line mode, the rate can reach 150 frames per second with video accelerator. it can meet the requirements of ir imaging guidance with high speed and realtime
圖像驅動mos熱電阻陣時，採用硬體加速后的幀速可以達到150幀/秒以上，較好地滿足了紅外成像制導模擬高速、實時性的要求。 -
This paper discusses several algorithms of re - fabricating images in synthetic aperture focusing ultrasound imaging. on such a basis, it puts forward the digit quadrature processing method of synthetic aperture to lower sampling rate, reduce operation and storage quantities and presents emulational results
本文討論了合成孔徑聚焦超聲成像中重構圖像的幾種演算法，在此基礎上提出能夠降低采樣率、減少運算量和存儲量的數字正交處理的合成孔徑方法，並完成了模擬結果、模擬成像和dsp的實現。
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