The methods to determine horizontal position of bridge component using direction intersection principles and the method to determine elevation position of bridge component using two transits are put forward.
阐述了特大公路桥梁施工控制测量的原则、方法及技术要求 ,提出了利用方位交会确定桥梁的构件平面位置的方法以及利用双经纬仪确定桥梁构件标高位置的方法 ,实现了特大桥梁施工三维放样的同步
We propose an image-scrambling scheme based on bit shuffling of individual pixels,which doesnt require iterative computation.
研究了基于位交换的图像置乱,提出一种无需迭代计算的置乱方法。
The (2,1,3) convolutional code combined with a novel interleaving scheme which is bit interleaving scheme is adopted as the anti interference measure.
采用 (2 ,1 ,3 )卷积码结合一种新的交织方案 :位交织方案作为抗干扰措施 ,模拟并讨论了标准灰度图像的数据在相同调制方式、不同车速的移动衰落信道中的抗干扰问题 ,且与周期交织方案的结果做了比较 。
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