Python CosineWaveGenerator示例

示例#1

文件： data_generator_tests.py 项目： chaddotson/pygen

    def test_can_specify_frequency(self):
        gen = CosineWaveGenerator(1, 2)

        self.assertAlmostEquals(gen.generate(0.0), 1)
        self.assertAlmostEquals(gen.generate(0.125), 0)
        self.assertAlmostEquals(gen.generate(0.25), -1)
        self.assertAlmostEquals(gen.generate(0.375), 0)
        self.assertAlmostEquals(gen.generate(0.5), 1)
        self.assertAlmostEquals(gen.generate(0.625), 0)
        self.assertAlmostEquals(gen.generate(0.75), -1)
        self.assertAlmostEquals(gen.generate(0.875), 0)
        self.assertAlmostEquals(gen.generate(1.0), 1)

示例#2

文件： data_generator_tests.py 项目： chaddotson/pygen

    def test_can_specify_amplitude(self):
        gen = CosineWaveGenerator(2, 1)

        self.assertAlmostEquals(gen.generate(0.0), 2)
        self.assertAlmostEquals(gen.generate(0.25), 0)
        self.assertAlmostEquals(gen.generate(0.5), -2)
        self.assertAlmostEquals(gen.generate(0.75), 0)
        self.assertAlmostEquals(gen.generate(1.0), 2)

示例#3

文件： data_generator_tests.py 项目： chaddotson/pygen

    def test_can_specify_amplitude(self):
        gen = CosineWaveGenerator(2, 1)

        self.assertAlmostEquals(gen.generate(0.0), 2)
        self.assertAlmostEquals(gen.generate(0.25), 0)
        self.assertAlmostEquals(gen.generate(0.5), -2)
        self.assertAlmostEquals(gen.generate(0.75), 0)
        self.assertAlmostEquals(gen.generate(1.0), 2)

示例#4

文件： data_generator_tests.py 项目： chaddotson/pygen

    def test_can_specify_frequency(self):
        gen = CosineWaveGenerator(1, 2)

        self.assertAlmostEquals(gen.generate(0.0), 1)
        self.assertAlmostEquals(gen.generate(0.125), 0)
        self.assertAlmostEquals(gen.generate(0.25), -1)
        self.assertAlmostEquals(gen.generate(0.375), 0)
        self.assertAlmostEquals(gen.generate(0.5), 1)
        self.assertAlmostEquals(gen.generate(0.625), 0)
        self.assertAlmostEquals(gen.generate(0.75), -1)
        self.assertAlmostEquals(gen.generate(0.875), 0)
        self.assertAlmostEquals(gen.generate(1.0), 1)