| 1. | 3 . deduce the relationship between sound pressure and particle velocity in plane wave
对平面波声场中的声压和质点振速之间的相关方程进行了推导。 |
| 2. | The relative difference between values of dry density measured by wave velocity method and pir replacement method is in the range of 1 %
根据相关方程由实测波速推测压实干密度值，相对试坑置换法的实测值，误差在1 %范围内。 |
| 3. | Method using of law of conservation of energy , the heat exchange equation between man and environment was built , and the factors that can affect the heat balance of human body were discussed
方法利用能量守恒原理建立人与环境热交换方程，并根据不同热交换途径以及影响散热的因素建立相关方程。 |
| 4. | The results from regression analysis show : there exists good linear correlation between surface wave velocity and dry density detected at same place of compacted rock - fill layer , so a correlation equation may be established
检测成果的回归分析表明：同一种坝料的面波波速与干密度之间具有良好的线性相关性，可建立相关方程。 |
| 5. | Get the approximate and the accurate correlation equations of pressure and velocity for narrowband signal , and the approximate correlation equation for broadband signal . 4 . introduce the method of the genetic algorithms , and perform an improvement
在窄带信号下，得出了近似条件下和精确条件下的相关方程，而在宽带条件下，得出近似条件下的表达式，从理论上推导出了声压和质点振速之间的相关方程组。 |
| 6. | It shows that the result of resistance under bending and torsion by this method is almost same as that of experiments . correlate equations of bearing capacity of this structure under complex loads are deduced . four expressions of bearing capacity of this structure under complex loads , which are press , bending and torsion , are deduced in the end
最后利用轴压、弯曲和扭转作用的两两组合作用下的极限承载力相关方程，通过适当的简化处理，就得到偏于安全的离心钢管混凝土构件在轴压、弯曲和扭转三种荷载共同作用下的承载力计算公式。 |
| 7. | Give some simulations about the doa ( direction - of - arrival ) estimation based on system of correlation equations . while the improved genetic algorithms was used . comparison of the accuracy of estimation for different objective function and different values of snr are given with narrowband signal
该方法运用改进后的遗传算法对声压和质点振速之间的相关方程进行求解，当目标信号为窄带时，对不同代价函数下遗传算法对信号的方位和强度估计进行了比较，并对信噪比、方位角变化时该方法的估计结果进行了仿真研究。 |
