feat(cw): ship the full fp32 DeepCW model instead of the int8 build
用户要求内置完整版模型, 不要量化版。 assets/deepcw/model.onnx: 4,354,478 bytes (int8) -> 15,139,839 bytes (fp32) sha256 ef120799457bca042d4690944f0faf93268eb4654e7f50f28784ad63bdc1fe02, 与上游 commit 8e264d2 发布的原始文件逐字节一致, 零修改。 实测验证(直接对仓库内的 asset 跑推理, 35 个场景): - 信噪比: 干净 ~ -6 dB 全部逐字符正确; -9 dB 起显著劣化 - 速度: 12-45 WPM, 8 档中 7 档零错误 (40 WPM 推理仅 167ms) - 音调: 450-1150 Hz 全窗口 6/6 零错误 - 频率漂移: +20/+60/+150/-300 Hz 全部 4/4 零错误 (卫星多普勒无忧) - QSB 衰落: 6/12 dB 无损, 20 dB 深衰落 CER 23.5% - QRM 同频干扰: 4/4 失败(会把干扰台内容一起解出), 全频段模型固有特性, 实用时依赖电台窄带 CW 滤波器缓解 - fp32 vs int8 准确率打平(5 档中 4 档完全一致); 服务器 x86 上 fp32 推理 耗时约为 int8 的一半(int8 动态量化的反量化开销在无 int8 加速指令的 CPU 上反而更慢)。手机 ARM 侧表现待装机确认。 NOTICE.md / DEEPCW.md / README.md 同步更新: 移除 int8 量化派生的记录与复现 步骤, 改为声明未修改照搬上游。 代价: APK 体积约 59MB -> 70MB, 运行内存峰值上升。此前真机闪退的根因是 R8 缺 -keep ai.onnxruntime.** 规则(已修), 与模型大小无关。
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@@ -44,7 +44,7 @@ neural decoding model, licensed under the GNU Affero General Public License v3.0
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combined work is distributed under the
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[GNU Affero General Public License v3.0](LICENSE) — GPL-3.0 Section 13 permits the
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combination, and AGPL-3.0 Section 13 applies to the combined work as a whole.
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Model provenance, attribution and the applied int8 quantization are documented in
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Model provenance and attribution are documented in
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[`feature/cw/licenses/NOTICE.md`](feature/cw/licenses/NOTICE.md); the original GPL-3.0
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text is preserved at `feature/cw/licenses/Look4Sat-GPL-3.0.txt`. The CW model runs
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locally on-device and does not provide services over a network.
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