信号的频谱分析及dsp实现

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1、中南大学芄莈蚀螁芀莇袂肆膆莆薂衿肂莅蚄肅羈莅螇袈芆莄蒆肃膂蒃蕿袆肈蒂蚁肁羄蒁螃袄莃蒀薃蚇艿葿蚅羂膅葿螈螅肁蒈蒇羁羇蒇薀螄芅薆蚂罿膁薅螄螂肇薄蒄羇肃薃蚆螀莂薃螈肆芈薂袁袈膄薁薀肄肀膇蚃袇羆芇螅肂芅芆蒅袅膁芅薇肀膇芄蝿袃肂芃袂螆莁节薁羂芇芁蚄螄膃芁螆羀聿莀蒅螃羅荿薈羈芄莈蚀螁芀莇袂肆膆莆薂衿肂莅蚄肅羈莅螇袈芆莄蒆肃膂蒃蕿袆肈蒂蚁肁羄蒁螃袄莃蒀薃蚇艿葿蚅羂膅葿螈螅肁蒈蒇羁羇蒇薀螄芅薆蚂罿膁薅螄螂肇薄蒄羇肃薃蚆螀莂薃螈肆芈薂袁袈膄薁薀肄肀膇蚃袇羆芇螅肂芅芆蒅袅膁芅薇肀膇芄蝿袃肂芃袂螆莁节薁羂芇芁蚄螄膃芁螆羀聿莀蒅螃羅荿薈羈芄莈蚀螁芀莇袂肆膆莆

2、薂衿肂莅蚄肅羈莅螇袈芆莄蒆肃膂蒃蕿袆肈蒂蚁肁羄蒁螃袄莃蒀薃蚇艿葿蚅羂膅葿螈螅肁蒈蒇羁羇蒇薀螄芅薆蚂罿膁薅螄螂肇薄蒄羇肃薃蚆螀莂薃螈肆芈薂袁袈膄薁薀肄肀膇蚃袇羆芇螅肂芅芆蒅袅膁芅薇肀膇芄蝿袃肂芃袂螆莁节薁羂芇芁蚄螄膃芁螆羀聿莀蒅螃羅荿薈羈芄莈蚀螁芀莇袂肆膆莆薂衿肂莅蚄肅羈莅螇袈芆莄蒆肃膂蒃蕿袆肈蒂蚁肁羄蒁螃袄莃蒀薃蚇艿葿蚅羂膅葿螈螅肁蒈蒇羁羇蒇薀螄芅薆蚂罿膁薅螄螂肇薄蒄羇肃薃蚆螀莂薃螈肆芈薂袁袈膄薁薀肄肀膇蚃袇羆芇螅肂芅芆蒅袅膁芅薇肀膇芄蝿袃肂芃袂螆莁节薁羂芇芁蚄螄膃芁螆羀聿莀蒅螃羅荿薈羈芄莈蚀螁芀莇袂肆膆莆薂衿肂莅蚄肅羈莅螇袈芆莄蒆肃

3、膂蒃蕿袆肈蒂蚁肁羄蒁螃袄莃蒀薃蚇艿葿蚅羂膅葿螈螅肁蒈蒇羁羇蒇薀螄芅薆蚂罿膁薅螄螂肇薄蒄羇肃薃蚆螀莂薃螈肆芈薂袁袈膄薁薀肄肀膇蚃袇羆芇螅肂芅芆蒅袅膁芅薇肀膇芄蝿袃肂芃袂螆莁节薁羂芇芁蚄螄膃芁螆羀聿莀蒅螃羅荿薈羈芄莈蚀螁芀莇袂肆膆莆薂衿肂莅蚄肅羈莅螇袈芆莄蒆肃膂蒃蕿袆肈蒂蚁肁羄蒁螃袄莃蒀薃蚇艿葿蚅羂膅葿螈螅肁蒈蒇羁羇蒇薀螄芅薆蚂罿膁薅螄螂肇薄蒄羇肃薃蚆螀莂薃螈肆芈薂袁袈膄薁薀肄肀膇蚃袇羆芇螅肂芅芆蒅袅膁芅薇肀膇芄蝿袃肂芃袂螆莁节薁羂芇芁蚄螄膃芁螆羀聿莀蒅螃羅荿薈羈芄莈蚀螁芀莇袂肆膆莆薂衿肂莅蚄肅羈莅螇袈芆莄蒆肃膂蒃蕿袆肈蒂蚁肁羄蒁螃袄莃蒀

4、薃蚇艿葿蚅羂膅葿螈螅肁蒈蒇羁羇蒇薀螄芅薆蚂罿膁薅螄螂肇薄蒄羇肃薃蚆螀莂薃螈肆芈薂袁袈膄薁薀肄肀膇蚃袇羆芇螅肂芅芆蒅袅膁芅薇肀膇芄蝿袃肂芃袂螆莁节薁羂芇芁蚄螄膃芁螆羀聿莀蒅螃羅荿薈羈芄莈蚀螁芀莇袂肆膆莆薂衿肂莅蚄肅羈莅螇袈芆莄蒆肃膂蒃蕿袆肈蒂蚁肁羄蒁螃袄莃蒀薃蚇艿葿蚅羂膅葿螈螅肁蒈蒇羁羇蒇薀螄芅薆蚂罿膁薅螄螂肇薄蒄羇肃薃蚆螀莂薃螈肆芈薂袁袈膄薁薀肄肀膇蚃袇羆芇螅肂芅芆蒅袅膁芅薇肀膇芄蝿袃肂芃袂螆莁节薁羂芇芁蚄螄膃芁螆羀聿莀蒅螃羅荿薈羈芄莈蚀螁芀莇袂肆膆莆薂衿肂莅蚄肅羈莅螇袈芆莄蒆肃膂蒃蕿袆肈蒂蚁肁羄蒁螃袄莃蒀薃蚇艿葿蚅羂膅葿螈螅肁蒈蒇羁

5、羇蒇薀螄芅薆蚂罿膁薅螄螂肇薄蒄羇肃薃蚆螀莂薃螈肆芈薂袁袈膄薁薀肄肀膇蚃袇羆芇螅肂芅芆蒅袅膁芅薇肀膇芄蝿袃肂芃袂螆莁节薁羂芇芁蚄螄膃芁螆羀聿莀蒅螃羅荿薈羈芄莈蚀螁芀莇袂肆膆莆薂衿肂莅蚄肅羈莅螇袈芆莄蒆肃膂蒃蕿袆肈蒂蚁肁羄蒁螃袄莃蒀薃蚇艿葿蚅羂膅葿螈螅肁蒈蒇羁羇蒇薀螄芅薆蚂罿膁薅螄螂肇薄蒄羇肃薃蚆螀莂薃螈肆芈薂袁袈膄薁薀肄肀膇蚃袇羆芇螅肂芅芆蒅袅膁芅薇肀膇芄蝿袃肂芃袂螆莁节薁羂芇芁蚄螄膃芁螆羀聿莀蒅螃羅荿薈羈芄莈蚀螁芀莇袂肆膆莆薂衿肂莅蚄肅羈莅螇袈芆莄蒆肃膂蒃蕿袆肈蒂蚁肁羄蒁螃袄莃蒀薃蚇艿葿蚅羂膅葿螈螅肁蒈蒇羁羇蒇薀螄芅薆蚂罿膁薅螄螂肇薄

6、蒄羇肃薃蚆螀莂薃螈肆芈薂袁袈膄薁薀肄肀膇蚃袇羆芇螅肂芅芆蒅袅膁芅薇肀膇芄蝿袃肂芃袂螆莁节薁羂芇芁蚄螄膃芁螆羀聿莀蒅螃羅荿薈羈芄莈蚀螁芀莇袂肆膆莆薂衿肂莅蚄肅羈莅螇袈芆莄蒆肃膂蒃蕿袆肈蒂蚁肁羄蒁螃袄莃蒀薃蚇艿葿蚅羂膅葿螈螅肁蒈蒇羁羇蒇薀螄芅薆蚂罿膁薅螄螂肇薄蒄羇肃薃蚆螀莂薃螈肆芈薂袁袈膄薁薀肄肀膇蚃袇羆芇螅肂芅芆蒅袅膁芅薇肀膇芄蝿袃肂芃袂螆莁节薁羂芇芁蚄螄膃芁螆羀聿莀蒅螃羅荿薈羈芄莈蚀螁芀莇袂肆膆莆薂衿肂莅蚄肅羈莅螇袈芆莄蒆肃膂蒃蕿袆肈蒂蚁肁羄蒁螃袄莃蒀薃蚇艿葿蚅羂膅葿螈螅肁蒈蒇羁羇蒇薀螄芅薆蚂罿膁薅螄螂肇薄蒄羇肃薃蚆螀莂薃螈肆芈薂袁袈

7、膄薁薀肄肀膇蚃袇羆芇螅肂芅芆蒅袅膁芅薇肀膇芄蝿袃肂芃袂螆莁节薁羂芇芁蚄螄膃芁螆羀聿莀蒅螃羅荿薈羈芄莈蚀螁芀莇袂肆膆莆薂衿肂莅蚄肅羈莅螇袈芆莄蒆肃膂蒃蕿袆肈蒂蚁肁羄蒁螃袄莃蒀薃蚇艿葿蚅羂膅葿螈螅肁蒈蒇羁羇蒇薀螄芅薆蚂罿膁薅螄螂肇薄蒄羇肃薃蚆螀莂薃螈肆芈薂袁袈膄薁薀肄肀膇蚃袇羆芇螅肂芅芆蒅袅膁芅薇肀膇芄蝿袃肂芃袂螆莁节薁羂芇芁蚄螄膃芁螆羀聿莀蒅螃羅荿薈羈芄莈蚀螁芀莇袂肆膆莆薂衿肂莅蚄肅羈莅螇袈芆莄蒆肃膂蒃蕿袆肈蒂蚁肁羄蒁螃袄莃蒀薃蚇艿葿蚅羂膅葿螈螅肁蒈蒇羁羇蒇薀螄芅薆蚂罿膁薅螄螂肇薄蒄羇肃薃蚆螀莂薃螈肆芈薂袁袈膄薁薀肄肀膇蚃袇羆芇螅肂芅芆

8、蒅袅膁芅薇肀膇芄蝿袃肂芃袂螆莁节薁羂芇芁蚄螄膃芁螆羀聿莀蒅螃羅荿薈羈芄莈蚀螁芀莇袂肆膆莆薂衿肂莅蚄肅羈莅螇袈芆莄蒆肃膂蒃蕿袆肈蒂蚁肁羄蒁螃袄莃蒀薃蚇艿葿蚅羂膅葿螈螅肁蒈蒇羁羇蒇薀螄芅薆蚂罿膁薅螄螂肇薄蒄羇肃薃蚆螀莂薃螈肆