http://www.k-wave.org/forum/topic/issue-with-ultrasound-simulation Support for the k-Wave MATLAB toolbox en-US Tue, 12 May 2026 23:30:06 +0000 http://bbpress.org/?v=1.0.2 q http://www.k-wave.org/forum/search.php http://www.k-wave.org/forum/topic/issue-with-ultrasound-simulation#post-8728 Tue, 14 Mar 2023 11:03:53 +0000 AAiche 8728@http://www.k-wave.org/forum/ <p>The issue has resolved. </p> http://www.k-wave.org/forum/topic/issue-with-ultrasound-simulation#post-8725 Thu, 09 Mar 2023 17:55:29 +0000 AAiche 8725@http://www.k-wave.org/forum/ <p>Hi everyone,</p> <p>I'm new to K Wave and I'm trying to simulate an ultrasound B mode image - I strongly follow the provided examples, except for adjusting the parameters to suit my needs.<br /> I have an example experiment set up with:<br /> phantom size 0.004m x 0.004m x 0.004m<br /> dx = 0.22e-3m<br /> automatic pml-generation<br /> source strength 0.5e6<br /> tone_burst_freq = 7e6<br /> tone_burst_cycles = 5<br /> number_scan_lines = 16<br /> transducer_number_elements = 16<br /> The B-Mode image ends up not resembling the grouund-truth image (voxel-cross-section) at all: Either it shows somewhat random signal, or it shows no signal at all (and the scan_lines consist mostly of NaN data). In the latter case, the simulation using C++ is much faster than usual. I checked the time step and it should be okay.</p> <p>Any ideas where I should be looking for the issue? </p>