| 1. | Design and implementation of a parallel frame aligner in vsr system
通道速率适配电路的设计与实现 |
| 2. | Calculation and simulation of the filter capacitor at the dc side of the vsr
直流侧滤波电容的计算及实验分析 |
| 3. | Vsr vital slave reels
虚拟从属卷硬盘录音机 |
| 4. | The mathematical model of vsr is the essential means to investigate the vsr
建立数学模型是研究三相pwm整流器的有效手段。 |
| 5. | This paper mainly introduces three - phase vsr , including its principle , the topology , the mathematical model , the control strategies , and its hardware
本文主要研究了三相电压型pwm整流器，内容包括下列方面：原理、拓扑结构、数学模型、控制策略和硬件实现。 |
| 6. | This dissertation focuses on the engineering design and realization of high power three - phase voltage source rectifier ( vsr ) with emphasis on the control technique
本论文侧重于三相电压源型pwm整流器及其控制系统的工程设计与实现，以提供一种较为实用的控制器设计与选取方法。 |
| 7. | Moreover , the design of inductance and capacitance in vsr , the main function about dsp2407 , the design of two - order active filter , and the using of intelligent power module ( ipm ) are introduced in this paper
关于硬件方面，介绍了主电路lc参数的计算方法、二阶有源滤波的设计方法、 dsp2407的主要功能、 ipm的驱动与保护。 |
| 8. | A detailed venue by venue description report which contains the information on all of the broadcast related facilities as well as other necessary general features . vsr is usually issued by the host broadcaster three to four times during the preparation period
描述各个场馆情况与转播有关的内容和其它基本信息的调查报告，在筹备阶段东道主转播机构有3到4次的对外发布和披露。 |
| 9. | The conventional rectifiers produce harmonic problem in power system . while three - phase pwm voltage source rectifiers ( vsr ) can provide constant dc bus voltage and get low harmonic distortion of input current . it also has line power feedback capability
传统的整流装置是电网污染的主要来源，三相电压型pwm整流器具有输出电压恒定、能实现单位功率因数运行的特点，甚至可以实现电能回馈电网。 |
| 10. | Form . taxus chinensis var . mairei is protecting plant in the first class , which is a precious and endangering plant in china in this paper , the quantitative characterics of form . taxus chinensis vsr . mairei population including age structure , spatial distribution pattern , growth dynamics of tree basal area , niche characterics , fractal dimension and competition between specises were studied using methods of mathematics ecology from the angle of population ecology of form . taxus chinensis var . mairei , then the prent state and the endangering causes were analysed . this research offers gist to protecting and enlarging the crude resourse of form . taxus chinensis vsr . mairei population , afforesting plantation and sustainable utilize for us
本文从南方红豆杉种群生态学的角度、主要应用数学生态学的方法探讨南方红豆杉种群的数量特征，包括南方红豆杉种群年龄结构、种群空间格局(探讨分布格局动态规律与生境相互关系) 、不同立地条件下种群优势度增长趋势、生态位宽度、生态位相似比例、生态位重叠、空间占据能力及种间竞争等，分析其目前现状及濒危原因，期望为南方红豆杉野生资源的保护和扩大、营造人工林及可持续利用提供理论基础，也为濒危植物种群生态学的研究提供参考。 |
