目前的绝大部分声全息研究都是针对自由声场中简单声源进行的。
At present, however, most of the research is focused on the simple source noise in the full space (free acoustic field).
自由声场至耳膜的传递函数(FETF)被认为是影响辨别声源方向的主要因素之一。
Free field to Eardrum Transfer Function (FETF) is one of the major factors influencing the identification of the sound source direction.
半自由声场环境下的声源重建和声场预测研究对声全息技术走向实际应用具有非常重要的意义。
The study on the holographic reconstruction and prediction of a semi-free field is valuable for the practical applications of the acoustic holography technique.
在第一部分，通过在自由声场条件下，采用单单位胞外微电极记录方法，研究了普通伏翼蝠下丘神经元基本声反应特性。
In the first section, to study the acoustic response properties of the IC in the pipistrellus abramus, single unit extracellular recording with microelectrode was used in free field conditions.
在自由声场声源的条件下，测量是由左右耳耳膜处的记录信号组成，测得的HRTF幅度特性的变化为声源位置的函数。
The amplitude variations of HRTFs are measured as a function of sound source locations. In this paper, the methods and the results of the HRTF measurement in recent years are analyzed.
利用波数积分方法仿真计算了该模型在自由场条件下的近程声场，并分析了近场辐射噪声的基本规律。
The sound pressure at near distance under free field was computed by using the wave number integration and the basic characteristics of the radiated noise were analyzes.
通过对不同条件下消声水池声场的计算仿真，分析了不同因素对水池自由场的影响，得到了具有一定应用价值的结论。
The acoustic filed is calculated in different aspects, influence on the free field analyzed under different conditions, and useful conclusions obtained.
通过对不同条件下消声水池声场的计算仿真，分析了不同因素对水池自由场的影响，得到了具有一定应用价值的结论。
The acoustic filed is calculated in different aspects, influence on the free field analyzed under different conditions, and useful conclusions obtained.
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