mckero c374058e1d perf(cw): ship int8-quantized DeepCW model (15MB -> 4MB)
用户真机闪退回桌面且无任何 Java 日志 => 高度怀疑进程被系统 LMK 杀掉
(内存不足) 或 native 层崩溃。模型加载 + ONNX 引擎初始化存在瞬时内存峰值,
fp32 模型 15MB 会放大这个峰值。

用 onnxruntime.quantization.quantize_dynamic 把模型权重动态量化为 QUInt8
(激活保持 float32):

- 体积: 15,139,839 -> 4,248,808 字节 (缩小 71%)
- 输入/输出名、形状、dtype 完全不变 -> Kotlin 代码无需改动
- 实测 CER (合成 CW 音频, fp32 vs int8 逐字符对比):
  SNR>=0dB 完全一致; -4dB 起两者一同劣化, 无显著差异
- onnx.checker 校验通过

AGPL 合规: NOTICE.md 记录派生信息 (原文件 SHA/量化后 SHA/转换步骤),
量化属模型修改, 按 AGPL 要求如实声明。复现命令已更新。

验证: :core:domain:test => 79 tests 全绿 (golden vector 测试锁定的是
频谱图前处理, 与模型文件无关)
2026-08-13 01:02:04 +00:00

Look4Sat: Satellite tracker

Look4Sat CI

Get it on Google Play Get it on F-Droid

Radio satellite tracker and pass predictor for Android, inspired by Gpredict

Track satellite passes with ease!

Thanks to Celestrak and SatNOGS you have access to over 9000 active satellites.
You can search the entire database by NORAD Catalog Number or the satellite's name.

Orbital positions and passes are calculated relative to your location.
To get reliable data make sure to set the station position via the app Settings.

The application is built using Kotlin, Coroutines, Jetpack Compose and Navigation.
It is now and always will be completely ad-free and open-source.

Main features:

  • Predicting satellite positions and passes for up to 10 days
  • Showing the list of currently active and upcoming satellite passes
  • Showing the active pass progress, polar trajectory and transceivers info
  • Showing the satellite positional data, footprint and ground track on the map
  • Custom TLE satellite data import is available via Three Line Element .txt files
  • Offline first: calculations are made offline. Weekly TLE data update is recommended.

Star History

Star History Chart
S
Description
Satellite tracker and pass predictor for Android, inspired by Gpredict
https://play.google.com/store/apps/details?id=com.rtbishop.look4sat
Readme AGPL-3.0
55 MiB
0 Stars 1 Watchers 0 Forks
v4.6.2
Latest
2026-08-27 15:47:20 +00:00
Languages
Kotlin 100%