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add antena distance

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This commit is contained in:
Alvin Young 2024-03-12 19:30:59 +08:00
parent 15856254f1
commit ab5510e8a7
3 changed files with 138 additions and 0 deletions
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120
html/antena_distance.html Normal file
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" href="../css/bootstrap.min.css">
<script src="../js/jquery.min.js"></script>
<script src="../js/bootstrap.min.js"></script>
<script src="../js/math.min.js"></script>
<script src="../js/antena_distance_calc.js"></script>
<title>antena_distance_calc</title>
</head>
<body>
<div class="container">
<br/>
<br/>
<br/>
<p>
无线理论最大传输距离
</p>
<br/>
<br/>
<br/>
<form class="form-inline">
<div class="form-group">
<label for="lossInput">LOSS</label>
<input type="text" class="form-control" id="lossInput" placeholder="loss">
</div>
<div class="form-group">
<label for="freqInput">freq</label>
<input type="text" class="form-control" id="freqInput" placeholder="frequency">
</div>
<button type="button" class="btn btn-primary" href="javascript:void(0);" onclick="convert_usb_pcm_data()">
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
calc
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</button>
<div class="form-group">
<input type="text" class="form-control" id="resultOut" placeholder="result">
<label for="resultOut">m</label>
</div>
</form>
<br/>
<div class="btn-group">
<button type="button" class="btn btn-default" data-toggle="modal" data-target="#modal_of_how_to_use_pcm_uac_data_convert">如何使用</button>
</div>
</div>
<!-- 模态框（Modal） 如何使用 -->
<div class="modal fade" id="modal_of_how_to_use_pcm_uac_data_convert" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-hidden="true">
&times;
</button>
<h4 class="modal-title" id="myModalLabel">
<b>如何使用</b>
</h4>
</div>
<div class="modal-body">
<p>在上方的窗口输入天线的衰减（dBm，发射功率-接收灵敏度）和无线频率（MHz），然后点击蓝色计算按钮，最后在右侧框会出现理论最大距离</p>
<hr>
<p>点击右上方或者面板外退出</p>
</div>
</div><!-- /.modal-content -->
</div><!-- /.modal -->
</div>
</body>
<script>
function convert_usb_pcm_data() {
var input1 = document.getElementById("lossInput");
var input2 = document.getElementById("freqInput");
var output = document.getElementById("resultOut");
var input_raw_data1 = input1.value;
var input_raw_data2 = input2.value;
var maxdata = 0;
var temp_data = 0;
var output_data = "";
// console.log(input_raw_data);
output.value = "";
input_raw_data1 = input_raw_data1.replace(/[\r\n]/g, "");
input_raw_data2 = input_raw_data2.replace(/[\r\n]/g, "");
temp_data = anten_distance_calc(input_raw_data1, input_raw_data2);
output_data += temp_data.toString();
// console.log(output_data);
output.value = output_data;
}
function anten_distance_calc(loss, freq_m) {
var calc_num = math.subtract(loss, "32.44");
calc_num = math.subtract(calc_num, math.multiply( 20, math.log(freq_m, 10) ) );
calc_num = math.divide(calc_num, 20);
calc_num = math.pow(10, calc_num);
calc_num = math.multiply(1000, calc_num);
return calc_num;
}
</script>
</html>

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index.html
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<li class="divider"></li>
<li><a href="#">另一个分离的链接</a></li> -->
</ul>
</li>
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown">
<span class="glyphicon glyphicon-list" aria-hidden="true"></span> 其他功能
<b class="caret"></b>
</a>
<ul class="dropdown-menu">
<li><a href = "javascript:void(0);" onclick ="switch_pages_by_file_path('html/antena_distance.html')">理论无线距离计算</a></li>
<!-- <li><a href="#">EJB</a></li>
<li><a href="#">Jasper Report</a></li>
<li class="divider"></li>
<li><a href="#">分离的链接</a></li>
<li class="divider"></li>
<li><a href="#">另一个分离的链接</a></li> -->
</ul>
</li>
</ul>
</div>

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