For example the square on hypotenuse of a right Angle triangle is equal to the sum of the squares of the other two sides.
例如，直角三角形斜边的平方，等于其它两边的平方和。
It is common sense that the sum of the Angle of triangle is 180 degree and the sum of any two sides of a triangle is greater than the third side.
三角形三个角之和是180度，三角形任意两边之和大于第三边，这些都是常识。
A method of digital calibration in the amplitude and phase imbalances of sum and difference channels, and of angle error normalization processing is provided.
并提供了一种和差支路幅相不平衡数字校正和角误差归一化处理的方法。
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