The effects on its performance by the factors such as sanpshots and number of array sensors are investigated and their relations are also qutitantively analyzed . 2 其次通過大量計算機仿真,深入分析了快怕數和陣元數對貝葉斯高分辨目標方位估計方法性能的影響。
Its angular resolution ability under different snrs is summarized comprehensively . the effects on its performance by the factors such as snapshots and number of array sensors are investigated and their relations are also quantitatively analyzed 深入研究了bmode方法的估計性能,得到其在不同信噪比下的角度分辨門限以及不同的快拍數和陣元數對其性能的影響。
This paper establish the mathematics formula of radiometric calibration of infrared staring imaging systems by an advanced weighting function based on the linearity response of infrared focal plane arrays sensor of infrared camera , and establish the mathematics formula of non - linearity based on the fact that the response of the irfpa is non - linearity 本文以紅外相機為例,在紅外焦平面探測器輻射線性響應的基礎上,采用一種先進的加權函數方法,推導出了紅外凝視成像系統輻射定標的數學表達式,同時在紅外焦平面陣列探測器輻射響應非線性的實際情況,推導了非線性的數學表達式。
The active pixel sensor structure widely used in image sensor is used here to convert the micro photoelectric signal generated in pixel to large electric signal to facilitate the signal processing and reduce the noise . the arrayed sensor structure ? s used to obtain the coordinate and shape information of targets 該傳感器的感光單元采用了cmos圖象傳感器中使用的有源像素傳感器( activepixelsensor , aps )設計,在感光單元內部由光電信號預處理電路直接將傳感產生的光電信號轉化為幅度較大的電信號輸出,避免了對微弱信號的處理,降低了噪聲的影響。