Re: [Discuss-gnuradio] State of the art with UMTS-WCDMA

2008-08-29 Thread Nan Zhang
Hi, I don't have any code or implementation. Just some thought. In my opinion, implementing cell search on gnuradio in realtime could be quite hard. Even with the aid of hardware accelerator such as decorrelator, cell search is computationally intensive in real modem. In gnuradio, all these compu

[Discuss-gnuradio] Question about sampling colored image with TVRX

2008-08-21 Thread Nan Zhang
Hi, I tried to sample NTSC signal with decimation rate = 8 (8Msps) using TVRX board. The 8Mspc sample rate is supposed to covered the whole range of 6MHz TV channel bandwidth. Thus, the obtained signal should contain all TV information including luminance and color. I have two related questions: 1

Re: [Discuss-gnuradio] USRP installation problem

2008-06-20 Thread Nan Zhang
ter I changed the direction, it begins to work properly. Nan On 6/20/08, Chris Stankevitz <[EMAIL PROTECTED]> wrote: > > > > Nan Zhang wrote: > >> I tried to install the newly purchased USRP. However, plug in USB cable to >> my computer does not generate message of &

[Discuss-gnuradio] USRP installation problem

2008-06-20 Thread Nan Zhang
Hi, I tried to install the newly purchased USRP. However, plug in USB cable to my computer does not generate message of "Found New Hardware" as described by http://gnuradio.utah.edu/trac/wiki/USRPWindowsDriverInstall. I am sure the power is on since the board is hot. Has someone meet with the same

[Discuss-gnuradio] wxPython install issue

2008-06-13 Thread Nan Zhang
Hi, I follow the instructions in http://www.gnuradio.org/trac/wiki/wxPythonCygwin to install wxPython. The environment is cygwin with python 2.5.1. But the process stalled in step 9. There is a build error and the error message is: **

[Discuss-gnuradio] Installation problem with cygwin

2008-06-11 Thread Nan Zhang
I tried to install numpy under cygwin using the method given in http://gnuradio.org/trac/wiki/NumpyInstall as follows cd /usr/src tar zxf numpy-1.0.3.1.tar.gz cd numpy-1.0.3.1 python setup.py install but always failed. Could someone help? Beside that, I have a python and numpy installed under wi