70 lines
3.5 KiB
PowerShell
70 lines
3.5 KiB
PowerShell
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[Console]::OutputEncoding = [Text.Encoding]::UTF8
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$ErrorActionPreference = "Stop"
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function H2B($hex) {
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if (-not $hex) { return $null }
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$n = $hex.Length / 2
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$b = New-Object byte[] $n
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for ($i = 0; $i -lt $n; $i++) { $b[$i] = [Convert]::ToByte($hex.Substring(2*$i, 2), 16) }
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return $b
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}
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$lines = [IO.File]::ReadAllLines("$env:TEMP\opencode\ss123.tsv")
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# 事件提取: 0003广播MUTE / 0002定向UNMUTE / 脉冲
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$events = New-Object System.Collections.ArrayList
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foreach ($l in $lines) {
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$p = $l -split "`t"; if ($p.Count -lt 5 -or -not $p[4]) { continue }
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$b = H2B $p[4]; if ($b.Length -lt 0x30) { continue }
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$t = [double]$p[0]
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if ($p[1] -eq "192.168.123.113" -and $p[2] -eq "192.168.123.1" -and [int]$b[4] -eq 4 -and $b.Length -gt 0x51 -and $b.Length -lt 2000 -and $b[0x20] -eq 2 -and $b[0x21] -eq 0 -and $b[0x30] -eq 0 -and $b[0x3C] -eq 1 -and $b[0x3D] -eq 0x18) {
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$pid2 = "{0:x2}{1:x2}" -f $b[0x50], $b[0x51]
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$uid = ($b[0x3E..0x43] | ForEach-Object { $_.ToString("x2") }) -join ""
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if ($pid2 -eq "0003") { [void]$events.Add(@{ t=$t; kind="MUTE"; uid=$uid }) }
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if ($pid2 -eq "0002") { [void]$events.Add(@{ t=$t; kind="UNMUTE"; uid=$uid }) }
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}
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if ($p[1] -eq "192.168.123.1" -and $p[2] -eq "192.168.123.113" -and $b.Length -lt 200 -and $b[0x2A] -eq 0xAA) {
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# 解码脉冲 UID
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$uid = ""
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for ($i = 0; $i -lt 6; $i++) {
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$b1 = $b[0x2B + 2*$i]; $b2 = $b[0x2C + 2*$i]
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$byte = ([int]$b1 -band 0x55) -bor ([int]$b2 -band 0xAA)
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$uid += $byte.ToString("x2")
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}
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[void]$events.Add(@{ t=$t; kind="PULSE"; uid=$uid })
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}
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}
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$mutes = @($events | Where-Object { $_.kind -eq "MUTE" })
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$unmutes = @($events | Where-Object { $_.kind -eq "UNMUTE" })
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$pulses = @($events | Where-Object { $_.kind -eq "PULSE" })
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Write-Host ("MUTE={0} UNMUTE={1} 脉冲={2}" -f $mutes.Count, $unmutes.Count, $pulses.Count)
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# MUTE 时间点与脉冲静默窗口: 每个 MUTE 后 3s 内脉冲数 vs 3-15s 脉冲数
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Write-Host "`n--- 广播 MUTE(0003) 时间点 vs 脉冲密度 ---"
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foreach ($m in $mutes) {
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$before = @($pulses | Where-Object { $_.t -ge $m.t - 3 -and $_.t -lt $m.t }).Count
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$after3 = @($pulses | Where-Object { $_.t -ge $m.t -and $_.t -lt $m.t + 3 }).Count
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$after12 = @($pulses | Where-Object { $_.t -ge $m.t + 3 -and $_.t -lt $m.t + 15 }).Count
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Write-Host (" MUTE t={0,7:F2} 前3s脉冲={1,-3} 后0-3s={2,-3} 后3-15s={3}" -f $m.t, $before, $after3, $after12)
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}
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# UNMUTE 时间点 vs 其后脉冲 (同 UID)
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Write-Host "`n--- 定向 UNMUTE(0002) vs 其后 1s 内同 UID 脉冲 ---"
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foreach ($u in ($unmutes | Select-Object -First 10)) {
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$same = @($pulses | Where-Object { $_.t -ge $u.t -and $_.t -lt $u.t + 1 -and $_.uid -eq $u.uid }).Count
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$any = @($pulses | Where-Object { $_.t -ge $u.t -and $_.t -lt $u.t + 1 }).Count
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Write-Host (" UNMUTE t={0,7:F2} UID={1} 后1s同UID脉冲={2} 任意={3}" -f $u.t, $u.uid, $same, $any)
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}
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# 脉冲的 UID 分布随时间 (每 15s 桶)
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Write-Host "`n--- 脉冲 UID×15s 桶 ---"
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$buckets = @{}
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foreach ($pu in $pulses) {
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$bk = [int]($pu.t / 15)
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if (-not $buckets.ContainsKey($bk)) { $buckets[$bk] = @{} }
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if (-not $buckets[$bk].ContainsKey($pu.uid)) { $buckets[$bk][$pu.uid] = 0 }
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$buckets[$bk][$pu.uid]++
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}
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foreach ($bk in ($buckets.Keys | Sort-Object)) {
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$s = ($buckets[$bk].GetEnumerator() | ForEach-Object { "$($_.Key.Substring(8))×$($_.Value)" }) -join " "
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Write-Host (" t={0,3}-{1,-3}s: {2}" -f ($bk*15), ($bk*15+15), $s)
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}
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