Yesterday I was trying to find a bug in my source code which lead to quite unexpected results. I thought that I narrowed down the possible origin and will be able to localize the problem within a short time. However,…
See more ›
Blog Archives
Debugging in the sleep
Tagged with: dream, programming, sleeping, Software bugs, solution
Posted in computer, GPS, math, physics, programming
Posted in computer, GPS, math, physics, programming
Horizontal positional accuracy of Google Maps
This week I was involved in a discussion about the accuracy of Google Maps. It seemed that the position derived from a geodetic GPS receiver matched well with the visual location inside the Google Maps image, having a residual horizontal…
See more ›
Tagged with: Google, Google Earth, Google Maps, GPS, Map, satellite imagery, Web mapping
Posted in computer, GPS
Posted in computer, GPS
Sequestration and what it means for space research
U.S. president Obama was required by law to issue a sequestration order which cancels about 85 billion USD in budgetary resources across the federal government for the remainder of the fiscal year 2013. Of course there are still plans to…
See more ›
Sailing against the wind – or how Japan invests in its future
In times of budget cuts, efforts to save public spending and provision of funds for re-construction and clean-up after this year’s Earthquake, tsunami and nuclear accident, Japan seems to do the right thing and invest into its future. As this…
See more ›
Karhunen-Loève Transform – an interesting alternative to FFT and wavelets
Today I stumbled over this interesting paper which describes the usage of the Karhunen-Loève Transform (KLT) for (weak) signal detection in time-series. Although there are many similarities with wavelet analysis, the KLT seems to be less computationally demanding (but its…
See more ›
Tagged with: Digital signal processing, Fast Fourier transform, Karhunen–Loève theorem, KLT, Statistics, Wavelet
Posted in computer, GPS, math, paper, programming
Posted in computer, GPS, math, paper, programming
Programming AMD GPUs
I am now writing code for NVIDIA GPUs based on CUDA for almost three years. Every two or three months I am thinking to purchase an ATI card and compare its performance to one of the latest NVIDIA cards (e.g.…
See more ›
Tagged with: AMD, Computer hardware, Computing, Graphics hardware, NVIDIA, OpenCL, Parallel Processing, signal processing
Posted in computer, GPS, math, programming
Posted in computer, GPS, math, programming
- book (5)
- computer (147)
- Drink (55)
- Food (73)
- GPS (18)
- handy phone (6)
- ionosphere (1)
- Japanese (177)
- math (57)
- paper (26)
- physics (19)
- programming (81)
- Spicy recommendation (30)
- sports (30)
- travel (81)
- Uncategorized (95)