50分 无线－换算dbm-Mv Mv-dbm 数学函数没用过 回复后再加150 ( 积分: 50 )

&lt;script language=&quot;JavaScript&quot;&gt;<br>function round(number,X) {<br> X = (!X ? 2 : X);<br> return Math.round(number*Math.pow(10,X))/Math.pow(10,X);<br>}//rounding<br>function Log10(x) {<br> var Number;<br> Number = Math.log(x) / Math.log(10);<br> return(Number);<br>}//Log10<br><br>function calc_mw2dbm(){<br>var mw2dbm;<br>var mw2dbm_tmp;<br>var mw2dbm = parseFloat(document.mw2dbm_form.mw2dbm.value,10);<br>var mw2dbm_tmp = parseFloat(document.mw2dbm_form.mw2dbm.value/1000);<br>document.mw2dbm_form.mw2dbm_ans.value = &quot;+&quot;+round((10 * Log10(mw2dbm_tmp) + 30),1)+&quot;dBm&quot;;<br>}<br><br>function calc_dbm2mw(){<br>var dbm2mw;<br>var dbm2mw_tmp;<br>var dbm2mw_tmp = parseFloat(document.dbm2mw_form.dbm2mw.value,10);<br>document.dbm2mw_form.dbm2mw_ans.value = round(Math.pow(10,dbm2mw_tmp/10),1)+&quot;mW&quot;;<br>}<br><br>&lt;/script&gt;&lt;/head&gt;<br><br>希望大家帮忙转换成delphi的代码<br><br>谢谢 &nbsp;如果可以再加50分<br><br>谢谢～～<br><br>顺便提供一些数学函数的相关资料<br><br>先测试编译通过后再给代码 谢谢<br>分数再＋150

&lt;script language=&quot;JavaScript&quot;&gt;<br>function round(number,X) {<br> X = (!X ? 2 : X);<br> return Math.round(number*Math.pow(10,X))/Math.pow(10,X);<br>}//rounding<br>function Log10(x) {<br> var Number;<br> Number = Math.log(x) / Math.log(10);<br> return(Number);<br>}//Log10<br><br>function calc_mw2dbm(){<br>var mw2dbm;<br>var mw2dbm_tmp;<br>var mw2dbm = parseFloat(document.mw2dbm_form.mw2dbm.value,10);<br>var mw2dbm_tmp = parseFloat(document.mw2dbm_form.mw2dbm.value/1000);<br>document.mw2dbm_form.mw2dbm_ans.value = &quot;+&quot;+round((10 * Log10(mw2dbm_tmp) + 30),1)+&quot;dBm&quot;;<br>}<br><br>function calc_dbm2mw(){<br>var dbm2mw;<br>var dbm2mw_tmp;<br>var dbm2mw_tmp = parseFloat(document.dbm2mw_form.dbm2mw.value,10);<br>document.dbm2mw_form.dbm2mw_ans.value = round(Math.pow(10,dbm2mw_tmp/10),1)+&quot;mW&quot;;<br>}<br><br>&lt;/script&gt;&lt;/head&gt;<br><br>希望大家帮忙转换成delphi的代码<br><br>谢谢 &nbsp;如果可以再加50分<br><br>谢谢～～<br><br>顺便提供一些数学函数的相关资料<br><br>先测试编译通过后再给代码 谢谢<br>分数再＋150

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晕<br><br>好的没<br>招<br><br>把广告招来了<br><br>郁闷<br><br>是不是分太少了 FT

顶

还是换不过来<br><br>郁闷<br><br>再等高手<br><br>555555555

UP<br><br>UP<br><br>UP

天天顶 还没人回答<br><br>郁闷<br><br>大富翁死了？

==<br><br>千年等

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