American Journal of Mathematics, Vol. 40, No. 3 (Jul., 1918), pp. 283-316 (34 pages) ...

Abstract: The passive positioning sensor technology (PPST) for unknown radiation source (NRS) location is highly valued because of its strong concealment and long detection distance. Traditional PPST ...

Abstract: Channel state information (CSI) estimation is part of the most fundamental problems in 5G wireless communication systems. In mobile scenarios, outdated CSI will have a serious negative ...

A simple looking grade-school math problem has stumped the masses. Can you solve it correctly? The simple equation shared by @BholanathDutta on X this week, who regularly posts brainteasers, read ...

ISLAMABAD (AP) — U.S. President Donald Trump said Sunday he will solve the Afghanistan-Pakistan crisis “very quickly,” as peace talks between the warring neighbors entered a second day. The two ...

Islamabad: U.S. President Donald Trump said Sunday he will solve the Afghanistan-Pakistan crisis “very quickly,” as peace talks between the warring neighbours entered a second day. The two countries ...