Errors in forest measuration with Angle gauge are analyzed in this paper based on the data from 414 plots of larch plantation.
本文利用414块人工落叶松林样地实测资料，探讨了角规测树的误差问题。
Focusing on overcome the shortcomings of routine angle gauge using in forest measuration, a new-type angle gauge with the function of correct slope automatically was developed.
针对普通测树角规在森林调查中存在的弊端 ，研究发明了一种能自动改正坡度的新型角规 ，详细介绍了其原理、结构设计及使用方法。
The algorithm of measuring zero-crossings can better solve the problems that the characteristic parameters of the pulse signal are complicated in the time field and the measuration errors are greater.
提出的过零点检测算法，较好解决了脉搏信号时域特征点参数多，分析复杂，误差较大的问题。
The method has advantages of simple operation, high sensitivity, rapid, wide measuration range and no evident interference.
该方法具有检出限低，操作简单、快速，灵敏度高，取样量少，可测定范围宽，没有明显干扰等特点。
In this investigation, a method that can be used to analyze the traveler's route choice behavior based on utility measuration is advanced.
提出了通过具体的效用度量对出行者路径选择行为进行分析的方法。
In this investigation, a method that can be used to analyze the traveler's route choice behavior based on utility measuration is advanced.
提出了通过具体的效用度量对出行者路径选择行为进行分析的方法。
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