Source code for mindspore.ops.operations.spectral_ops

# Copyright 2022 Huawei Technologies Co., Ltd
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"""Spectral operators."""
from mindspore._checkparam import Validator as validator
from mindspore.common import dtype as mstype
from mindspore.ops.primitive import Primitive, prim_attr_register


[docs]class BartlettWindow(Primitive): r""" Bartlett window function. Refer to :func:`mindspore.ops.bartlett_window` for more details. Supported Platforms: ``GPU`` ``CPU`` Examples: >>> window_length = Tensor(5, mstype.int32) >>> bartlett_window = ops.BartlettWindow(periodic=True, dtype=mstype.float32) >>> output = bartlett_window(window_length) >>> print(output) [0. 0.4 0.8 0.8 0.4] """ @prim_attr_register def __init__(self, periodic=True, dtype=mstype.float32): """Initialize BartlettWindow""" self.add_prim_attr("max_length", 1000000) validator.check_value_type("periodic", periodic, [bool], self.name) validator.check_value_type("dtype", dtype, [mstype.Type], self.name) valid_values = (mstype.float16, mstype.float32, mstype.float64) validator.check_type_name("dtype", dtype, valid_values, self.name)
[docs]class BlackmanWindow(Primitive): r""" Blackman window function. Refer to :func:`mindspore.ops.blackman_window` for more details. Supported Platforms: ``GPU`` ``CPU`` Examples: >>> window_length = Tensor(10, mindspore.int32) >>> blackman_window = ops.BlackmanWindow(periodic = True, dtype = mindspore.float32) >>> output = blackman_window(window_length) >>> print(output) [-2.9802322e-08 4.0212840e-02 2.0077014e-01 5.0978714e-01 8.4922993e-01 1.0000000e+00 8.4922981e-01 5.0978690e-01 2.0077008e-01 4.0212870e-02] """ @prim_attr_register def __init__(self, periodic=True, dtype=mstype.float32): """Initialize BlackmanWindow""" self.add_prim_attr("max_length", 1000000) validator.check_value_type("periodic", periodic, [bool], self.name) validator.check_value_type("dtype", dtype, [mstype.Type], self.name) valid_values = (mstype.float16, mstype.float32, mstype.float64) validator.check_type_name("dtype", dtype, valid_values, self.name)