... directional frequency response characteristic 方位频率响应特征 directional gain 方向性增益 directional gyro 陀螺方向仪 ...
基于120个网页-相关网页
high-gain directional antenna 高增益定向天线
directional energy gain 定向能量增益
omni-directional high-gain 全向高增益
Directional High Gain Antenna 定向性高增益天线
high-gain narrow beam directional antenna 高增益窄波束定向天线
Firstly gain the continuously directional image of the fingerprint, secondly design orientation template using the directional image and filter the fingerprint image, lastly obtain the binary image.
先得到指纹图像的连续方向图，再根据此方向图设计方向滤波模板进行滤波，最后得到指纹的二值化图像。
Through the adjustment and optimization of the antenna, higher antenna gain is achieved, to meet the requirement of high-gain omni directional antenna.
本文通过对天线的调整与优化，实现了天线增益的提高，满足了全向高增益的要求。
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