| 1. | With tile correlation equation , the densimetric determination could replace the standard method to determine the relative density of flavor
通过回归方程，可以用密度仪法代替标准法来测定香精的密度。 |
| 2. | 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。 |
| 3. | 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。 |
| 4. | Compared with the pressure hydrophone , vector transducer can provide both the information about pressure ( scalar quantity ) and particle velocity ( vector quantity ) of the sound field , which offers more possibilities for signal processing . so vector transducer and its signal processing have attracted the attention of researchers both native and foreign . in this thesis , a method of correlation equations for pressure gradient transducer is presented , and the estimation of multi - signal parameters with single vector transducer is given
与传统的声压水听器相比，矢量水听器既能获得声场中的声压这一标量信息，又能获得声场中质点振速这一矢量信息，这为其信号处理带来更大的空间，因此矢量水听器及其相应的联合信息处理技术日益成为国内外科技工作者们研究的热点。 |
| 5. | The fuel cells models are presented in chapter 3 . based on the balance conditions in fuel cells stack , the dynamic performance is analyzed . the dynamic model is developed with a set of correlation equations of voltage , fuel utilization , current density and other variables involved in the operating course , which are some partial differential equations with variable coefficients
第三章以熔融碳酸盐燃料电池为例，以数值分析的方法，根据mcfc电堆发电过程中物质与电量平衡，分析了电堆的内部动态特性，就输出电压与燃料气体利用率和电流密度等相关量建立了由一组变系数偏微分方程和积分方程描述的数学模型。 |
| 6. | In this paper , through the statistical analysis of the random factors in the stage of sub - critical propagation of cracks , the statistical correlation equations between the two material coefficients are obtained and can be generalized . furthermore , it can be concluded that cracks propagation rate is influenced greatly by material coefficients in the condition considered in this study
本文主要通过对亚临界裂纹扩展阶段各种随机因素的统计分析，找到了可以推广应用的，体现两材料系数之间具有强负相关性的统计相关式，并验证了在一定条件下，材料系数是影响裂纹扩展速率的主要因素。 |
| 7. | Tide is the primary dynamic factor in building tidal flat ; it must be affect tidal creek system on mud flat . therefore , based on the raster image of the year of 2000 , the thesis has built correlation equations between average tidal ranges and the density of tidal creeks , the ratio of the width of outlet to the length of low tidal shore , the ratio of the area of tidal creek to tidal basin respectively . the result shows that the former is high well - marked correlation ; the two latter are well - marked correlation
潮汐是塑造潮滩的主要动力因素，它必然与淤泥质潮滩上潮沟系统的发育有密切的关系，为此，本文以2000年的卫片作底图，对潮沟系的密度、沟口宽度占低潮线长度的比值以及潮沟面积与潮盆面积的比值，分别与平均潮差建立了相关关系，结果发现，潮沟系的密度与平均潮差之间存在着高度显著的相关性，沟口宽度占低潮线长度的比值和潮沟面积与潮盆面积的比值与平均潮差之间存在着显著的相关性。 |
| 8. | 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。 |
