30 Production of X rays Cross section of sealedoff filament Xray tube target Xrays tungsten filament Vacuum Xrays are produced whenever highspeed electrons collide with a metal target A source of electrons– hot W filament, a high accelerating voltage between the cathode (W) and the anode and a metal target, Cu, Al, Mo, MgE \ h h s y h k lf oh v $ oz d \ v z r q g h u z k d w olih z r x og e h oln h li \ r x r z q h g d h h s " ' r \ r x v h f u h wo\ v h h n H H S 7 K U LOOV " 7 K H Q H Q WH U WK H Z R U OG R I H H S $ Q G H Y H U \ R Q H H OV H MX V W J H WV OH IW E H K LQ G 6 WH S LQ WR WK H 6 H W4 Convolution Solutions to Recommended Problems S41 The given input in Figure S411 can be expressed as linear combinations of xin, x 2n, X3n x, n Carbanak Week Part Two Continuing The Carbanak Source Code Analysis Fireeye Inc qÇà hX "¯^