ratio detector 中文意思是什麼
ratio detector
解釋
比例檢波器-
The concept of irradiance signal - to - noise ratio ( snr ) on the target plane and the minimum of the irradiance that can be detected by the detector was taken as the beginning, combined with a thorough analysis of the spectrum radiating feature of the target and the sky background, the atmosphere conditions, spectral filtering and the influence that the various components in the system have on the target irradiance on the detector ' s target plane and the background irradiance snr, the equation of the flying bomb ' s effect range affected by the point of burst measuring system is made, and all related factors that have an impact on the effect range are analyzed as well
從探測器靶面上輻照度信噪比的概念、探測器的可探測輻照度最小值出發，在詳細分析目標、天空背景的光譜輻射特性、大氣條件、光譜濾波技術以及系統各環節對探測器靶面上目標與背景輻照度信噪比的影響的基礎上，推導了炸點測量系統對爆炸的飛行彈體的作用距離方程，分析了影響作用距離的諸因素。 -
After measuring dark current, photocurrent and response to x pulse of gaas detector before and after 1. 7 mev electronic radiation, the response tune, fall time of trailing edge, full width of half maximum ( fwhm ), sensitivity, carrier life, mobility are researched and contrasted. the result shows that the response speed of detector, time resolution ratio and nonlinear of back edge of output signal have been improved greatly after electronic radiation. though sensitivity of the detector reduces, its measuring range can be widened
為了使探測器的性能得到進一步的提高，我們對其進行了電子輻照改性，並測量了本徵砷化鎵探測器和經過1 . 7mev電子輻照的探測器的暗電流、光電流及對x射線的脈沖響應，並對其響應時間，后沿下降時間，半高寬（ fwhm ） ，載流子壽命，靈敏度進行對比，研究，結果顯示經電子輻照后的探測器的性能得到了改善，使響應速度，分辯率進一步提高，並消除了探測器輸出信號后沿的非線性，雖靈敏度有所降低，反而使其測量范圍得以拓寬。 -
Basing on the mcnp software, the author solved the matter by calculating the value of point to replacing the value of cell or surface. the research searched out a new means to solve similar matters. by using the studying result, the author programmed the gamma code, with the interface of window, which can simulate the course that a y - detector measures the radioactivity in soil and calculate the dose ratio and the chart of energy deposition
作者以以上方法為基礎開發出了就地譜儀模擬軟體gamma ，軟體基於mcnp軟體平臺，具有可視化介面，用於模擬譜儀現場測量，可視化窗口界面使用戶可以方便地調節探測器內部結構的幾何尺寸及窗材料、測量高度、射線能量及發射率、核素在土壤中的分佈規律等參數，方便工程技術人員的使用。 -
Based on ica post processing matched filter multi - user detection lets the output of traditional matched filter to initialize the ica iterations, not only the known spread information of interesting user is used to overcome the uncertainness of ica, but also the character of statistical independence is used. the simulation results show that it advances the ability of traditional detector when the signal - noise - ratio is large. keywords code division multiple access ; independent component analysis ; channel estimation ; matched filter ; blind multi - user detection
基於ica后處理的匹配濾波多用戶檢測是用傳統的檢測器的輸出來初始化ica的迭代，它不但充分利用多用戶信號的已知信息，克服了ica的不確定性問題，同時也充分利用了多用戶信號的統計獨立性，模擬實驗結果證明這種多用戶檢測演算法在高信噪的情況下，誤碼性能改善隨著信噪比的提高不斷增加。 -
Moreover, oxygen detector is suggested to the system structure, which can control the second wind pump to control the ratio of wind and fuel
此外，在原有系統結構的基礎上，增加了煙道含氧量檢測，根據煙道含氧量來控制二次風機以達到最佳空燃比。 -
The experimental results of low - order modes correction for wave - front error and the enhancement of strehl ratio in detector and the improvement of wave - front tilt are also established
通過低階校正模式波前誤差提高了探測器接收光強，並有效校正了波前傾斜。 -
So, mfld provides a new way to obtain optical information for optical chemo - and biosensors. compared with conventional detection methods, in which the detector was placed at the distal end of the fiber, mfld has advantages in much higher singnal - to : noise ( s / n ) ratio and sensitivity, since the analyte signal is measured against a much lower background by placing the detector at the fiber - optic profile instead of the distal end
模式濾光檢測和傳統的檢測方式相比，檢測器的位置由光纖末端改放在光纖側面，獲取光纖側面產生的模式濾光信號，由於光纖側面的背景光遠較光纖末端的出射光背景小，因而較之檢測光纖末端的出射光有高得多的信噪比和靈敏度。 -
With its minimized structure, the path provides an optimal light - amplifying ratio ; ( iii ) the position sensitive detector ( psd ) is just located in front of the visual sight of operator, this makes the observation and operation more easily
該系統設計有特殊的光路，結構簡潔，體積小，通過多次反射提高反射臂的光程，保證了最佳的光杠桿放大比；同時，檢測系統中的位置敏感元件（ psd ）光敏面位於正對視線的方向，易於afm系統的操作和觀察。
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