Now wait a second
Dont listen to that guy! if you like dubstep, learn to do dubstep. Noone starts knowing how to do it. It takes patience and some learning.
Im not sure but with dubstep, to get the sound get a very loww bass sound that sustains, and you need to set it to gate along with a sine wave thats super low frequency (a division of the time signature) or a modulator if u have one, to gate the volume on the original low bass sound. this will give it the growing diminishing fluctuations
And if that is not right, dont gve up, im sure theres plenty of tutorials out there
The stars here aren't to signify quality
if you don't have any idea on how a genre works, try a different one, for a long time I thought I wanted to do techno, but realized "holy shit, classical and 8bit works for me" haven't gone back since
Please contact me if you would like to use this in a project. We can discuss the details.