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Diffstat (limited to 'talk.slides.html')
| -rw-r--r-- | talk.slides.html | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/talk.slides.html b/talk.slides.html index c0f8d97..4dd7b00 100644 --- a/talk.slides.html +++ b/talk.slides.html @@ -11905,7 +11905,7 @@ a.anchor-link { </div> <div class="inner_cell"> <div class="text_cell_render border-box-sizing rendered_html"> -<h1 id="Pulling-radio-data-out-of-thin-air">Pulling radio data out of thin air<a class="anchor-link" href="#Pulling-radio-data-out-of-thin-air">¶</a></h1><h2 id="Pycon-Israel-2018">Pycon Israel 2018<a class="anchor-link" href="#Pycon-Israel-2018">¶</a></h2> +<h1 id="Pulling-radio-data-out-of-thin-air">Pulling radio data out of thin air<a class="anchor-link" href="#Pulling-radio-data-out-of-thin-air">¶</a></h1><h2 id="Yuval-Adam">Yuval Adam<a class="anchor-link" href="#Yuval-Adam">¶</a></h2> </div> </div> </div></section></section><section><section> @@ -11915,8 +11915,9 @@ a.anchor-link { <div class="text_cell_render border-box-sizing rendered_html"> <h2 id="Yuval-Adam">Yuval Adam<a class="anchor-link" href="#Yuval-Adam">¶</a></h2><ul> <li>Full stack developer and systems architecture consultant</li> +<li>Using Python for <strong>everything</strong> for 10+ years</li> <li><a href="https://yuv.al">https://yuv.al</a></li> -<li>@yuvadm</li> +<li><a href="https://twitter.com/yuvadm">@yuvadm</a></li> </ul> </div> @@ -12074,7 +12075,7 @@ a.anchor-link { <span class="n">sdr</span> <span class="o">=</span> <span class="n">RtlSdr</span><span class="p">()</span> <span class="n">sdr</span><span class="o">.</span><span class="n">sample_rate</span> <span class="o">=</span> <span class="mf">1.2e6</span> <span class="c1"># 1,200,000 samples per second</span> -<span class="n">sdr</span><span class="o">.</span><span class="n">center_freq</span> <span class="o">=</span> <span class="mf">91.8e6</span> <span class="c1"># 91,800,00 Hz frequency for the radio station</span> +<span class="n">sdr</span><span class="o">.</span><span class="n">center_freq</span> <span class="o">=</span> <span class="mf">91.8e6</span> <span class="c1"># 91,800,000 Hz frequency for the radio station</span> <span class="n">sdr</span><span class="o">.</span><span class="n">gain</span> <span class="o">=</span> <span class="s1">'auto'</span> <span class="c1"># tune the gain (AKA "volume") automatically</span> <span class="n">samples</span> <span class="o">=</span> <span class="n">sdr</span><span class="o">.</span><span class="n">read_samples</span><span class="p">(</span><span class="mf">1.2e6</span> <span class="o">*</span> <span class="mi">10</span><span class="p">)</span> @@ -12150,7 +12151,7 @@ a.anchor-link { <div class="inner_cell"> <div class="input_area"> <div class=" highlight hl-ipython3"><pre><span></span><span class="c1"># De-emphasis filter</span> -<span class="c1"># Even I'm not sure how/why this works</span> +<span class="c1"># Even I'm not sure exactly how/why this works</span> <span class="c1"># MAKE THINGS SOUND BETTER</span> @@ -12190,7 +12191,7 @@ a.anchor-link { </div></section><section> <div class="cell border-box-sizing code_cell rendered"> <div class="input"> -<div class="prompt input_prompt">In [7]:</div> +<div class="prompt input_prompt">In [6]:</div> <div class="inner_cell"> <div class="input_area"> <div class=" highlight hl-ipython3"><pre><span></span><span class="c1"># HIT IT</span> @@ -12219,8 +12220,8 @@ a.anchor-link { <div class="text_cell_render border-box-sizing rendered_html"> <h2 id="Review">Review<a class="anchor-link" href="#Review">¶</a></h2><ul> <li>Took a fixed set of samples, did some math on them</li> -<li>Python, NumPy and SciPy are <strong>very</strong> good at doing fast processing of static data</li> -<li>When handling real-time data, buffering becomes a serious issue<ul> +<li>Python, NumPy and SciPy are very good at doing fast processing of <strong>static</strong> data</li> +<li>When handling <strong>real-time</strong> data, buffering becomes a serious issue<ul> <li>How do you synchronize different input/ouput sample rates on the same flow?</li> </ul> </li> @@ -12258,6 +12259,10 @@ a.anchor-link { <li>Michael Ossmann's video course - <a href="https://greatscottgadgets.com/sdr/">https://greatscottgadgets.com/sdr/</a></li> </ul> </li> +<li>But you don't really need do know math<ul> +<li>Lots of code is already written</li> +</ul> +</li> <li>Explore the radio waves!</li> </ul> |