Map test

1 files changed, 278 insertions, 0 deletions

diff --git a/notebooks/Untitled.ipynb b/notebooks/Untitled.ipynb
new file mode 100644
index 0000000..23109f8
--- /dev/null
+++ b/notebooks/Untitled.ipynb
@@ -0,0 +1,278 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "id": "9aef28b0",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import numpy as np "
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "id": "412e054c",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "def modulate_qpsk(m):\n",
+    "    ampl = np.sqrt(2)\n",
+    "    sym = {\n",
+    "        0: ampl * (-1 -1j)/np.sqrt(2),\n",
+    "        1: ampl * ( 1 -1j)/np.sqrt(2),\n",
+    "        2: ampl * (-1 +1j)/np.sqrt(2),\n",
+    "        3: ampl * ( 1 +1j)/np.sqrt(2)\n",
+    "    }\n",
+    "\n",
+    "    return map(lambda k: sym[k], m)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "id": "c340fb0f",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "<map at 0x7f2fe63da820>"
+      ]
+     },
+     "execution_count": 3,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "modulate_qpsk([0])"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "id": "b4881afe",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "'0x1f'"
+      ]
+     },
+     "execution_count": 4,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "hex(31)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 24,
+   "id": "2c43411f",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "'0b1010101'"
+      ]
+     },
+     "execution_count": 24,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "bin(0x55)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 6,
+   "id": "f65a2e47",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "(0.7071067811865475+0.7071067811865475j)"
+      ]
+     },
+     "execution_count": 6,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "a=(1 +1j)/np.sqrt(2)\n",
+    "a"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 7,
+   "id": "3c15cd13",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "(-9.486832980505138-9.486832980505138j)"
+      ]
+     },
+     "execution_count": 7,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "-3/np.sqrt(0.1)-3j/np.sqrt(0.1)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 8,
+   "id": "cb3fdfcc",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "def modulate_16qam(m):\n",
+    "    sym = {\n",
+    "        # first column\n",
+    "         0: -3 -3j,\n",
+    "         1: -3 -1j,\n",
+    "         2: -3 +3j,\n",
+    "         3: -3 +1j,\n",
+    "        # second column\n",
+    "         4: -1 -3j,\n",
+    "         5: -1 -1j,\n",
+    "         6: -1 +3j,\n",
+    "         7: -1 +1j,\n",
+    "        # fourth column\n",
+    "         8: 3 -3j,\n",
+    "         9: 3 -1j,\n",
+    "        10: 3 +3j,\n",
+    "        11: 3 +1j,\n",
+    "        # third column\n",
+    "        12: 1 -3j,\n",
+    "        13: 1 -1j,\n",
+    "        14: 1 +3j,\n",
+    "        15: 1 +1j,\n",
+    "    }\n",
+    "    return map(lambda k: sym[k]*np.sqrt(0.1), m)\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 25,
+   "id": "01626f53",
+   "metadata": {
+    "scrolled": true
+   },
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "[(-0.9486832980505138-0.31622776601683794j),\n",
+       " (-0.9486832980505138-0.31622776601683794j)]"
+      ]
+     },
+     "execution_count": 25,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "list(modulate_16qam([1, 1]))"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 17,
+   "id": "df5b6858",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "def modulate_16qam_2(m):\n",
+    "    sym = {\n",
+    "        # first column\n",
+    "         0:  1 -1j,\n",
+    "         1: -1 -1j,\n",
+    "         2:  3 -3j,\n",
+    "         3: -3 -3j,\n",
+    "         4: -3 -1j,\n",
+    "         5:  3 -1j,\n",
+    "         6: -1 -3j,\n",
+    "         7:  1 -3j,\n",
+    "         8: -3 +3j,\n",
+    "         9:  3 +3j,\n",
+    "        10: -1 +1j,\n",
+    "        11:  1 +1j,\n",
+    "        12:  1 +3j,\n",
+    "        13: -1 +3j,\n",
+    "        14:  3 +1j,\n",
+    "        15: -3 +1j,\n",
+    "       \n",
+    "    }\n",
+    "    return map(lambda k: sym[k]*np.sqrt(0.1), m)\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 23,
+   "id": "f263ed95",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "[(-0.31622776601683794-0.31622776601683794j),\n",
+       " (-0.31622776601683794-0.31622776601683794j)]"
+      ]
+     },
+     "execution_count": 23,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "list(modulate_16qam_2([1,1]))"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "27855d88",
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3 (ipykernel)",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.9.2"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}