The All in the Family story makes one wonder how many other gems never had the chance to become classics. The good news, however, is that there are plenty of shows that have stood the test of time. With the help of Wikipedia, and a little math, I found a list of the 20 longest-running network TV shows.
Gaussian filters are used in image processing because they have a property that their support in the time domain, is equal to their support in the frequency domain. This comes about from the Gaussian being its own Fourier Transform.
Though many types of water filters and purification systems are available, only certain systems will remove sodium from drinking water.ctivated carbon filters, which are used in the carafe-style and faucet-mounted filters that make up a significant portion of the retail filter market, do not filter sodium and other impurities, such as arsenic.