لحساب التردد الزاوي نستخدم العلاقة =f π" class="Wirisformula" role="math" height="19" width="13" alt="right to left straight pi" style="box-sizing: border-box; border: 0px; vertical-align: -3px; -webkit-font-smoothing: antialiased; max-width: 100%;">2ω ω/2π 2ω/π" class="Wirisformula" role="math" height="19" width="13" alt="right to left straight pi" style="box-sizing: border-box; border: 0px; vertical-align: -3px; -webkit-font-smoothing: antialiased; max-width: 100%;"> π/2ω