Frequency Calculator

Frequency, Wave & Resonance Calculator

Analyze wave periodicities and wavelengths, solve LC/RLC resonant tank circuits, and compute acoustic Doppler shifts

Input Parameter

Propagation Medium

Wave Frequency (f)

Wave Period (T)

Wavelength (λ)

Custom Phase Velocity (v in m/s)

Cyclic Frequency & Oscillation Period

144.00 MHz • 6.944 ns

Angular Frequency (ω): 9.048 × 10⁸ rad/s

Wavelength in Medium (λ = v/f) 2.082 m 6.831 ft (VHF 2m Band)

Photon / Quantum Energy (E = hf) 0.596 µeV 9.542 × 10⁻²⁶ J

Angular Wave Number (k = 2π/λ) 3.018 rad/m Spatial phase progression

Quarter-Wave Antenna Length (λ/4) 52.05 cm 20.49 inches element

Inductance (L)

Capacitance (C)

Series Damping Resistance (R in Ω) Used to evaluate Q-factor and bandwidth

Undamped Resonant Frequency (f₀)

5.033 MHz

Angular Resonance (ω₀): 3.162 × 10⁷ rad/s

Characteristic Impedance (Z₀) 316.23 Ω Z₀ = √(L / C)

Reactance at Resonance (|X_L| = |X_C|) 316.23 Ω 2πf₀L = 1 / (2πf₀C)

Quality Factor (Q) 63.25 Moderate selectivity (Series RLC)

-3 dB Bandwidth (Δf = f₀ / Q) 79.58 kHz Passband: 4.993 – 5.073 MHz

Emitted Source Frequency (f_s)

Medium Wave Speed (v)

Transmitter & Receiver Kinematics

Source Velocity (v_s)

Source Motion Vector

Observer Velocity (v_o)

Observer Motion Vector

Observed Apparent Frequency (f’)

1,095.85 Hz

+95.85 Hz Shift (+9.58% Pitch Elevation)

Musical Pitch Shift +1.58 Semitones +158.4 cents frequency shift

Source Mach Number (M) Mach 0.087 Subsonic regime

Compressed Wavelength Ahead (λ’) 31.30 cm Original λ: 34.30 cm

Relative Approach Velocity 30.00 m/s 108.0 km/h (67.1 mph)