Mitchell studied the depth spectrum of cyclic codes over F_2. In 2000,Luo gave the recursive algorithms forcomputing the depth of codewords over field F_q .

• Mitchell在[15]中对F_2上线性循环码的深度谱进行了研究。 在2000年,Luo在[16]中给出了域F_q上码字深度的递归算法。