35 lines
4.2 KiB
Django/Jinja
35 lines
4.2 KiB
Django/Jinja
{% if 'rxtx' in params and modem == 'scpc' %}
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calcRequiredSnr(frameSizeNormal, modulation, speed) {
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const snrValues = [
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{fs: true, mod: 'qpsk', speed: '1/4', snr: 2.6}, {fs: true, mod: 'qpsk', speed: '1/3', snr: 2.6}, {fs: true, mod: 'qpsk', speed: '2/5', snr: 2.6}, {fs: true, mod: 'qpsk', speed: '1/2', snr: 2.6}, {fs: true, mod: 'qpsk', speed: '3/5', snr: 3.1}, {fs: true, mod: 'qpsk', speed: '2/3', snr: 3.8}, {fs: true, mod: 'qpsk', speed: '3/4', snr: 4.5}, {fs: true, mod: 'qpsk', speed: '4/5', snr: 5.2}, {fs: true, mod: 'qpsk', speed: '5/6', snr: 5.5}, {fs: true, mod: 'qpsk', speed: '8/9', snr: 6.4}, {fs: true, mod: 'qpsk', speed: '9/10', snr: 6.7},
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{fs: true, mod: '8psk', speed: '3/5', snr: 7.4}, {fs: true, mod: '8psk', speed: '2/3', snr: 8.4}, {fs: true, mod: '8psk', speed: '3/4', snr: 8.7}, {fs: true, mod: '8psk', speed: '5/6', snr: 10}, {fs: true, mod: '8psk', speed: '8/9', snr: 10.9}, {fs: true, mod: '8psk', speed: '9/10', snr: 11.1},
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{fs: true, mod: '16apsk', speed: '2/3', snr: 11.2}, {fs: true, mod: '16apsk', speed: '3/4', snr: 11.3}, {fs: true, mod: '16apsk', speed: '4/5', snr: 12.4}, {fs: true, mod: '16apsk', speed: '5/6', snr: 12.7}, {fs: true, mod: '16apsk', speed: '8/9', snr: 13.1}, {fs: true, mod: '16apsk', speed: '9/10', snr: 13.9},
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{fs: true, mod: '32apsk', speed: '3/4', snr: 14.5}, {fs: true, mod: '32apsk', speed: '4/5', snr: 14.7}, {fs: true, mod: '32apsk', speed: '5/6', snr: 14.9}, {fs: true, mod: '32apsk', speed: '8/9', snr: 16.1}, {fs: true, mod: '32apsk', speed: '9/10', snr: 16.6},
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{fs: false, mod: 'qpsk', speed: '1/4', snr: 4.1}, {fs: false, mod: 'qpsk', speed: '1/3', snr: 4.1}, {fs: false, mod: 'qpsk', speed: '2/5', snr: 4.1}, {fs: false, mod: 'qpsk', speed: '1/2', snr: 4.1}, {fs: false, mod: 'qpsk', speed: '3/5', snr: 4.6}, {fs: false, mod: 'qpsk', speed: '2/3', snr: 5.1}, {fs: false, mod: 'qpsk', speed: '3/4', snr: 5.3}, {fs: false, mod: 'qpsk', speed: '4/5', snr: 6.8}, {fs: false, mod: 'qpsk', speed: '5/6', snr: 7.8}, {fs: false, mod: 'qpsk', speed: '8/9', snr: 8.5},
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{fs: false, mod: '8psk', speed: '3/5', snr: 9.5}, {fs: false, mod: '8psk', speed: '2/3', snr: 9.9}, {fs: false, mod: '8psk', speed: '3/4', snr: 10.5}, {fs: false, mod: '8psk', speed: '5/6', snr: 11.1}, {fs: false, mod: '8psk', speed: '8/9', snr: 11.3},
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{fs: false, mod: '16apsk', speed: '2/3', snr: 11.6}, {fs: false, mod: '16apsk', speed: '3/4', snr: 11.8}, {fs: false, mod: '16apsk', speed: '4/5', snr: 12}, {fs: false, mod: '16apsk', speed: '5/6', snr: 12.3}, {fs: false, mod: '16apsk', speed: '8/9', snr: 13.4},
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{fs: false, mod: '32apsk', speed: '3/4', snr: 14.1}, {fs: false, mod: '32apsk', speed: '4/5', snr: 14.7}, {fs: false, mod: '32apsk', speed: '5/6', snr: 15.3}, {fs: false, mod: '32apsk', speed: '8/9', snr: 16.5},
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]
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for (let i = 0; i < snrValues.length; i++) {
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if (snrValues[i].fs === frameSizeNormal && snrValues[i].mod === modulation && snrValues[i].speed === speed) { return snrValues[i].snr }
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}
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return '?'
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},
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calcInterfaceSpeedKb(baud, modulation, speed, frameSizeNormal) {
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const mBaud = parseInt(baud.replace(/[^0-9]/g, ''))
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const mMod = Math.max(2, ['', '', 'qpsk', '8psk', '16apsk', '32apsk'].indexOf(modulation))
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const speedVals = {'1/4': 0.25, '1/3': 0.333, '2/5': 0.4, '1/2': 0.5, '3/5': 0.6, '2/3': 0.666, '3/4': 0.75, '4/5': 0.8, '5/6': 0.833, '8/9': 0.888, '9/10': 0.9}
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const mSpeed = speed in speedVals ? speedVals[speed] : 1
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const result = (mBaud * mMod * mSpeed) / 1024
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const calcSnr = this.calcRequiredSnr(frameSizeNormal, modulation, speed)
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let snr;
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if (isNaN(calcSnr)) { snr = `ОСШ=?` } else { snr=`ОСШ=${calcSnr}` }
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if (result > 1024) {
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return (result / 1024).toLocaleString() + ' Мбит/с; ' + snr
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} else {
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return result.toLocaleString() + ' кбит/с; ' + snr
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}
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},
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{% endif %}
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