1 | /**
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2 | * @license
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3 | * Copyright 2019 Google LLC. All Rights Reserved.
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4 | * Licensed under the Apache License, Version 2.0 (the "License");
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5 | * you may not use this file except in compliance with the License.
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6 | * You may obtain a copy of the License at
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7 | *
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8 | * http://www.apache.org/licenses/LICENSE-2.0
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9 | *
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10 | * Unless required by applicable law or agreed to in writing, software
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11 | * distributed under the License is distributed on an "AS IS" BASIS,
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12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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13 | * See the License for the specific language governing permissions and
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14 | * limitations under the License.
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15 | * =============================================================================
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16 | */
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17 | import { op } from '../operation';
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18 | import { cosineWindow } from '../signal_ops_util';
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19 | /**
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20 | * Generate a Hann window.
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21 | *
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22 | * See: https://en.wikipedia.org/wiki/Window_function#Hann_and_Hamming_windows
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23 | *
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24 | * ```js
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25 | * tf.signal.hannWindow(10).print();
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26 | * ```
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27 | * @param The length of window
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28 | *
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29 | * @doc {heading: 'Operations', subheading: 'Signal', namespace: 'signal'}
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30 | */
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31 | function hannWindow_(windowLength) {
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32 | return cosineWindow(windowLength, 0.5, 0.5);
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33 | }
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34 | export const hannWindow = op({ hannWindow_ });
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35 | //# sourceMappingURL=hann_window.js.map |
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