The experiment using this program is introduced on "Interface" No.12, CQ publishing Co.,Ltd, 2014. 本プログラムを使った実験は,CQ出版社のインターフェース 2014年12月号で紹介しています.
Dependencies: DSProcessingIO mbed
FIR_Direct.hpp@1:b0a0a1ab01be, 2014-07-29 (annotated)
- Committer:
- CQpub0Mikami
- Date:
- Tue Jul 29 06:53:35 2014 +0000
- Revision:
- 1:b0a0a1ab01be
- Parent:
- 0:b811ec8a7e8a
ver.2
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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CQpub0Mikami | 0:b811ec8a7e8a | 1 | //-------------------------------------------------------------- |
CQpub0Mikami | 0:b811ec8a7e8a | 2 | // FIR filter ---- Direct structure |
CQpub0Mikami | 0:b811ec8a7e8a | 3 | // copyright (c) 2014 MIKAMI, Naoki, 2014/06/20 |
CQpub0Mikami | 0:b811ec8a7e8a | 4 | //-------------------------------------------------------------- |
CQpub0Mikami | 0:b811ec8a7e8a | 5 | |
CQpub0Mikami | 0:b811ec8a7e8a | 6 | #ifndef FIR_DIRECT_HPP |
CQpub0Mikami | 0:b811ec8a7e8a | 7 | #define FIR_DIRECT_HPP |
CQpub0Mikami | 0:b811ec8a7e8a | 8 | |
CQpub0Mikami | 0:b811ec8a7e8a | 9 | #include "mbed.h" |
CQpub0Mikami | 0:b811ec8a7e8a | 10 | #include "FirBaseClass.hpp" |
CQpub0Mikami | 0:b811ec8a7e8a | 11 | |
CQpub0Mikami | 0:b811ec8a7e8a | 12 | namespace Mikami |
CQpub0Mikami | 0:b811ec8a7e8a | 13 | { |
CQpub0Mikami | 0:b811ec8a7e8a | 14 | template<int order> class FirDirect : public FirBase<order> |
CQpub0Mikami | 0:b811ec8a7e8a | 15 | { |
CQpub0Mikami | 0:b811ec8a7e8a | 16 | public: |
CQpub0Mikami | 0:b811ec8a7e8a | 17 | using FirBase<order>::xn_; |
CQpub0Mikami | 0:b811ec8a7e8a | 18 | |
CQpub0Mikami | 0:b811ec8a7e8a | 19 | FirDirect(const float hk[]) : FirBase<order>(hk) {} |
CQpub0Mikami | 0:b811ec8a7e8a | 20 | |
CQpub0Mikami | 0:b811ec8a7e8a | 21 | virtual float Execute(float xin) |
CQpub0Mikami | 0:b811ec8a7e8a | 22 | { |
CQpub0Mikami | 0:b811ec8a7e8a | 23 | xn_[0] = xin; |
CQpub0Mikami | 0:b811ec8a7e8a | 24 | |
CQpub0Mikami | 0:b811ec8a7e8a | 25 | float acc = 0; |
CQpub0Mikami | 0:b811ec8a7e8a | 26 | for (int k=0; k<=order; k++) |
CQpub0Mikami | 0:b811ec8a7e8a | 27 | acc = acc + hm_[k]*xn_[k]; |
CQpub0Mikami | 0:b811ec8a7e8a | 28 | |
CQpub0Mikami | 0:b811ec8a7e8a | 29 | FirBase<order>::Move(); |
CQpub0Mikami | 0:b811ec8a7e8a | 30 | |
CQpub0Mikami | 0:b811ec8a7e8a | 31 | return acc; |
CQpub0Mikami | 0:b811ec8a7e8a | 32 | } |
CQpub0Mikami | 0:b811ec8a7e8a | 33 | }; |
CQpub0Mikami | 0:b811ec8a7e8a | 34 | } |
CQpub0Mikami | 0:b811ec8a7e8a | 35 | #endif // FIR_DIRECT_HPP |
CQpub0Mikami | 0:b811ec8a7e8a | 36 |