一.魔术方阵的概念一个 n 阶魔术方阵,具有 n*n 个小方块,在这个方阵中填入 n*n 个不同的正整数,然后分别按行,列,或主对角线的方向取 n 个数的和,这个和数总是相同的.这样的一个方阵便定义为魔术方阵.二.普通 n 阶魔术方阵普通 n 阶魔...一.魔术方阵的概念一个 n 阶魔术方阵,具有 n*n 个小方块,在这个方阵中填入 n*n 个不同的正整数,然后分别按行,列,或主对角线的方向取 n 个数的和,这个和数总是相同的.这样的一个方阵便定义为魔术方阵.二.普通 n 阶魔术方阵普通 n 阶魔术方阵是魔术方阵中的一种特例.展开更多
New methods of synthetizing nonequidistant sparse antenna arrays based on the properties of magic squares are studied.The methods of construction and algorithms of synthesis of two-dimensional antennas based on them p...New methods of synthetizing nonequidistant sparse antenna arrays based on the properties of magic squares are studied.The methods of construction and algorithms of synthesis of two-dimensional antennas based on them providing a high degreeof dilution and sufficiently small side radiation are proposed.The methods for construction of such antennas and their maincharacteristics are considered.展开更多
文摘New methods of synthetizing nonequidistant sparse antenna arrays based on the properties of magic squares are studied.The methods of construction and algorithms of synthesis of two-dimensional antennas based on them providing a high degreeof dilution and sufficiently small side radiation are proposed.The methods for construction of such antennas and their maincharacteristics are considered.