百度文库https://wenku.baidu.com/view/0fb05c345aeef8c75fbfc77da贝塞尔(Bessel)展开公式 Jacobi–Anger expansion In mathematics, the Jacobi–Anger expansion (or Jacobi–Anger identity) is an expansion of exponentials of trigonometric functions in the basis of their harmonics. It is useful 更多内容请查看https://wenku.baidu.com/view/0fb05c345aeef8c75fbfc77da26925c52cc591ad.html
百度文库https://wenku.baidu.com/view/4b765d26f22d2af90242a8956贝塞尔(Bessel)展开公式 Jacobi–Anger expansion 贝塞尔(Bessel)展开公式 Jacobi–Anger expansion-where Jn(z) is the n-th Bessel function. Using the relation integer n, the expansion becomes:[1][2]valid forThe followingwdos.cn更多内容请查看https://wenku.baidu.com/view/4b765d26f22d2af90242a8956bec0975f465a4e0.html
百度文库贝塞尔(Bessel)展开公式 Jacobi–Anger expansion In mathematics, the Jacobi–Anger expansion (or Jacobi–Anger identity) is an expansion of exponentials of trigonometric functions in the basis of their harmonics. It is useful 更多内容请查看https://wenku.baidu.com/view/cce41f5d6edb6f1afe001f20.html