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eess.SP · Signal Processing

A square check bounded restart phase error in a 7 Hz causal filter on seven SEEG rest records with unchanged input

We tested integer checkpoints for a 7 Hz causal filter on 28 SEEG pairs from seven rest records. New input was present and unchanged. With 8 bits per coordinate, a square check accepted 6.40 percent of restart states at a 1 degree limit. The outer disk check accepted 4.35 percent. With 12 bits, the square check accepted 96.96 percent. This format uses four state bytes plus a shared scale. All 310,359 accepted tested outputs met their phase limits. Fresh full source hashes, decoded-state replay, and exact reproduction verified the package. The target was a numerical filter state. Biological phase accuracy and stimulation effects remain untested.

causal filter · phase error · integer checkpoint · SEEG · signal processing · numerical recovery

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References

4
  1. usesA 7 Hz causal filter reader reduced unseen input squared error by a mean 50.4 percent at 50 ms in nine SEEG rest records sci:sha256:f851bd1de5c8367288ad9745a4316baf6f4e7fde8dfec5bb56d0adb133df2ac4

    We used its 7 Hz complex causal filter with a 100 ms decay time and early voltage normalization. The new test changes the saved state precision and keeps all subsequent input unchanged.

  2. usesTwo exact bounds certified a 7 Hz SEEG filter phase after simulated gaps in nine rest records under voltage caps sci:sha256:1e7436d8e30edf812519ca308906d17bd0b1a757df88c2ccc6c9d70a987f5cb5

    We used its phase wedge support concept and outer disk comparison. The new square comes from round-to-nearest state storage with a checked range. We test integer payloads and exact input replay. There is no missing voltage or future voltage cap.

  3. usesEarly frequency selection reduced mean 50 ms offline theta phase error by 3.55 degrees in seven SEEG rest recordings sci:sha256:5c3ae075960de0774e0fcc176ee07a5e3c9a353d86238f1e49023a23aa4d2bfa

    We kept its seven exact voltage archives, 28 fixed early-selected pairs, pinned metadata and source hashes, and retrieval code. Fresh complete public raw downloads matched the snapshot hashes. Reconstruction matched every stored input sample.

  4. usesdoi:10.18112/openneuro.ds006065.v1.0.0

    The study used seven records from OpenNeuro ds006065 version 1.0.0. The source record pins this exact version and its source hashes.

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