structure
definition
def or abbrev
DFTHarmonicSpectrumCert
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formal statement (Lean)
109structure DFTHarmonicSpectrumCert where
110 modes_eight : Fintype.card DFTMode = 8
111 carrier_in_theta_band : 8 < carrierFreq ∧ carrierFreq < 8.1
112 all_modes_nonneg : ∀ k : DFTMode, 0 ≤ harmonicFrequency k
113 mode_zero_dc : harmonicFrequency ⟨0, by decide⟩ = 0
114 mode_seven_under_9 : harmonicFrequency ⟨7, by decide⟩ < 9
115 comb_monotone : ∀ j k : DFTMode, j.val < k.val →
116 harmonicFrequency j < harmonicFrequency k
117