试验设计

As for the realization of hardware,the thesis depicts the realization of every partof music recognition system based on the TMS320VC5402 in detail;as for thedevelopment of software,the thesis gives the software design flow chart of the musicrecognition system,simulates the basic theory with MATLAB language and gives thesimulation results.Well,with the characteristic parameters of the vocality and theinstrumental music,we can recognize the input digit music speech successfully andput forward it's pitch,cadent,and sing name.The result is comform that the musicrecognition based on the TMS320VC5402 is run well and the accuracy reaches 96percent.and it can meet the needs of the practicality application.

在硬件实现上，详细阐述了基于TMS320VC5402DSP的嵌入式音乐识别系统的各部分硬件设计，在软件开发上，给出了嵌入式音乐识别系统软件设计的各部分流程，并对各部分进行了仿真试验，给出了仿真结果，并分别对声乐和器乐这两种音乐信号进行了模板特征参数提取及其与待测信号进行匹配识别，试验结果表明：对音乐信号的识别精度在96%以上，成功实现了对音乐的音高、唱名、节奏的识别，满足了实际应用的需求。

Base on the foregoing studies on combustion performance, mechanic properties and heat-resistance performance of LOVA propellants, the energetic binders suitable for caseless bullet propellant charge and the coating procedures are obtained and the charge structural designs of caseless bullet propellants are conducted. Results of gun firing tests show the ballistic performances of caseless bullet propellant charge could meet with the prerequisites.

在燃烧性能、力学性能和耐热性能研究的基础上，选择了适用于无壳弹密实装药用含能粘结剂，确定了涂覆工艺条件，结合无壳弹装药结构设计，进行了弹道试验，试验结果基本接近或达到了设计目标。

At first, the dynamic characteristic of gantries and main arch ribs is computed through ANSYS, which is the basis of aeroelastic model design and test condition design, and then the test results are analyzed and discussed.

首先利用ANSYS计算门式膺架和主拱肋的动力特性，据此进行气弹模型设计和试验工况设计，最后对试验结果进行分析和讨论。

A wind tunnel for thunderstorm downburst was well designed by taking into account the low-speed uniflow wind tunnel design criteria, andan adjustable plate was made to simulate the ground.

鉴于雷暴冲击风试验装置的特殊性以及与低速直流风洞的共通性，参考低速直流风洞的设计方法设计完成了试验装置的洞体结构，并制作了具有调节功能的平板来模拟地面。

Thunderstorm downburst wind tunnel has the particularity and the intercommunity with a low-speed uniflow wind tunnel. A wind tunnel for thunderstorm downburst was well designed by taking into account the low-speed uniflow wind tunnel design criteria, andan adjustable plate was made to simulate the ground.

鉴于雷暴冲击风试验装置的特殊性以及与低速直流风洞的共通性，参考低速直流风洞的设计方法设计完成了试验装置的洞体结构，并制作了具有调节功能的平板来模拟地面。

This method can obtain the optimum coagulant,shoot the optimum adding amount,design the best flocculates time through jar test ,and utilize orthogonal experiment to seek the best energy consumption allocative decision at different levels.

提出了混凝工艺设计的优化方法，通过烧杯试验得到最优混凝剂和最佳投加量以及最佳设计絮凝时间，并利用正交试验寻求多因素不同水平组合下的最佳能耗分配方案。

The contents of tests include: investigation of physical property of filling soil of distressing pavement and original surface soil, which including dry density of road bed, liquid and mold limit, the content of moisture.

试验内容包括：调查发生病害路段路基填土及原地表土质的物理性质，包括路基土的干密度、液塑限、含水量、颗粒组成及重型标准击实试验法确定的最大干密度和最佳含水量；基层的配合比设计、面层的配合比设计等。

And the "three-factor quadratic regression orthogonal rotary method" was adopted to study mixing performance of the mixer,after the machine had been designed and trial-produced. It was showed that the optimum technological parameters for mixing time, block coefficient and rotary speed of the paddle shaft were 180 s, 0.75 and 56 r/min, respectively. At the same time, the remains in the bin was little (0.015%). The effe...

为了提高双轴桨叶混合机的混合性能，采用二次回归正交旋转组合试验，对设计样机进行混合均匀度及机内残留率的试验研究，得出了其工作参数的合理组合：混合时间为180s，充满系数为0.75，桨叶轴转速为56r/min；机内残留量极小(约为0.015%)，满足其作为配合饲料生产，尤其是预混合饲料生产的工艺要求，也为进一步改进设计提供了依据。

After a series of full scale test of water curtain fire insulation division system for large and high span space, we obtain the change regulation of temperature, smoke flow, oxygen density of the test space, analyze the blocking effect by different water curtains thickness and water spray rate on flame and smoke spread.

对大跨度、高空间的水幕防火分隔系统进行了一系列足尺试验，获得试验空间内温度、烟气流动、氧浓度等的变化规律，分析不同水幕厚度和喷水量对火焰、烟气蔓延的阻碍作用，确定了水幕防火分隔技术在舰船上应用的有关设计方法，可供舰船消防设计参考。

The optimized design results of critic structure parameters of ejector drainage equipment are gained with theory research and numerical simulation in this paper, the method of designing is established and the high efficient structure is raised. The design method of ejector is proved reliable by in-situ tests and the ejector runs with high efficiency.

针对国内外喷射技术的研究现状，采用理论研究、数值模拟及工业试验，建立了高效喷射装置结构设计方法；现场试验表明：喷射装置设计方法可靠，装置运行高效，低压气井压力（最低1.1MPa）低于集输压力（5.2MPa）仍能够正常。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。