September 15, 1999 Page 5 of 13. 3 Sampling of band-pass signals. 3.1 Introduction. The Nyquist sampling theorem states that to get a unique representation of the frequency. content of a signal, the signal must be sampled at a rate twice the frequency of the highest. frequency component of the signal.
A quarter section, often shortened to quarter, is an area of one-fourth of a square mile, or 160 acres (0.65 km2). It was a common size of a tract under Homestead Acts in the United States and the Dominion Land Survey in Canada.
We know that each township contains thirty six sections that measure one mile square. Each section contains 640 acres. Therefore a half section is 320 acres and a quarter section contains 160 acres. Lets look at Section 31 in the diagram below.