And after the analysis on the effects of longitudinal speed on feedback system, the applicable speed range for the parameters of fixed gain PID is given. 在分析纵向速度对反馈系统影响的前提下,给出固定增益PID参数所适用的车速范围;
Based on the analysis on system characteristics, a robust fixed gain PID controller and prefilter with optimum ITAE performance indicator are designed for a base speed. 在分析系统特性的基础上设计以某一速度为基准的、ITAE性能指标最优的固定增益鲁棒PID控制器和前置滤波器。
It also could choose between automatic gain and fixed gain. 同时,该电路板具有自动增益及固定增益选择能力。
In general, it is difficult fixed gain magnifier to achieve the vast scale and high precision of feeble signal at the same lime. 通常固定增益的放大器在兼顾大的动态范围和较高的小信号精度的情况下很难满足预期的要求。
This thesis adopts the grey fixed weight clustering method to analyze and gain the efficiency grade of the best scheme. 采用灰色定权聚类方法对最佳方案进行聚类分析,得出直观的效益级别。
The idea of this method is using several fixed gain of filter and switching between them based on the condition of motions. 这种方法的思想是采用多个固定的滤波增益并根据机动的情况在各个增益之间切换。
The testing results indicate that the tracking characteristic of the filter is excellent, the center frequency is determined by the frequency of switching control pulse, and the tracking filter is a favorable linear band-pass filter with fixed quality factor Q-value and amplitude gain. 试验结果表明:开关电容窄带跟踪滤波器有良好的跟踪特性,其中心频率由开关控制脉冲频率确定,是一种恒品质因素和恒定幅值增益的带通滤波器,具有良好的线性度。
It is very difficult for traditional, linear and fixed gain PID controller to achieve the satisfactory control effect of higher precision. 对一些精度要求较高的场合,传统的线性的常参数的PID调节器很难获取非常满意的控制效果。
729 and AMR speech coders is presented. Some further improvements on this algorithm are made, including fast fixed codebook search and codebook gain pre-search. 729码流间参数直接转换算法的基础上,本文给出了该算法的改进,包括固定码本的快速搜索和增益码本的预搜索。
Results from the digital simulation show that the proposed self tuning PID regulator can yield better characteristics than the fixed gain PID regulator when both the operating condition of generator and network construction are changed. 数字仿真计算结果表明,自校正励磁调节器能够自动适应同步发电机运行条件及网络结构的变化,可以获得比恒定增益的PID励磁调节器更好的发电机端电压和功角的响应特性。
728. To the fixed quantization of gain, this paper proposed a scheme about gain adaptive predict and gain adaptive quantization, which brought about satisfying results. 728三个滤波器的影响;针对增益的固定量化,提出了增益的自适应预测和自适应量化的方案,获得很好的结果;
This paper analyzes the limitation of fixed gain quantization in G.728 speech coding algorithm and proposes an adaptive quantization scheme with exact gain. 本文分析了G.728语音编码算法增益固定量化的缺陷,设计了精确表示增益的自适应量化方案。
Conclusion: MK-1 attachment adapt free-end case that abutment teeth were fixed and can gain relatively satisfactory effect. 结论:MK-1附着体适应用于基牙稳固的末端游离缺损病例,并能获得较为理想的修复效果。
This paper analyzes the limitation of fixed gain quantization in G. 本文分析了G。
Conclusion After GA pretreat, the 2,3-butanediol fixed the bovine pericardium could gain excellent mechanical performances. 结论经2,3-丁二醇改性的牛心包片机械性能良好。
Conclusion: 1. Treating nerve-root-type cervical spondylosis with lateral recumbent position fixed point reduction manipulation can gain significant improvement; 结论:1.应用侧卧位定点扳法治疗神经根型颈椎病效果显著;
But the intelligent controller can improve system adaptation to some disturbance and nonlinear factor, because it can self-adaptively change parameters and cover the deficiencies of linear fixed gain PID. 而智能控制器则可以自适应地改变参数,以弥补线性PID调节器的不足,从而提高系统对各种扰动,非线性因素的适应能力。
This algorithm utilizes the commonness between these two speech coders to make a direct translation of LSP ( Linear Spectral Pair) parameters, adaptive codebook parameters, fixed codebook parameters and codebook gain parameters. 723.1和G.729编码器的共性,对两个语音编码器的线谱对(LSP)参数、自适应码本(adaptivecodebook)参数、固定码本(fixedcodebook)参数和增益参数进行了直接转换。
And this software also allows users to research stability characteristics of integral and differential plane for a fixed proportional gain, which provides a convenient method to research stability characteristics in three-dimensional PID control parameters stability regions. 同时用户还可以使用该软件在给定比例增益的情况下研究积分和微分增益平面上的稳定特性,便于在稳定的PID参数集内研究不同PID控制参数下系统的性能。
Therefore, in the third chapter, end-to-end performance of multihop wireless communication systems with CSI-assisted relays and fixed gain relays operating over i.n.d Weibull fading channels is presented. 因此,第三章研究了i.n.dWeibull衰落信道下配有CSI-assisted中继和固定增益中继多跳通信系统的性能。
Both the adaptive controller and the fixed gain controller are designed such that the closed-loop singular system is admissible and satisfies the H ∞ performance. 分别设计了定增益控制器和自适应控制器使得闭环奇异系统是可容许的,并满足一定的H∞性能。
So, the second chapter of this paper presents the end-to-end performance of dual-hop wireless communication systems with fixed gain relay operating over independent but not necessarily identically distributed ( i.n.d) KG fading channels. 因此,本论文第二章研究在独立不同分布(i.n.d)KG衰落信道下配有固定增益中继的两跳通信系统性能。
In computer simulation, the reverberation signal of different roll and pitch array is simulated, beamformed in fixed bearing and compute the array gain. 在仿真实验中,模拟不同姿态基阵的混响信号,在固定方向波束形成,计算不同姿态时基阵空间处理增益。
With the total pumping power and the pumping structure fixed, we can control the gain space distribution by changing the occupancy of the end-pumping power. 在总泵浦功率和泵浦结构完全确定的情况下,通过改变端面泵浦功率占有率,达到控制增益空间分布的目的,这是单纯端面泵浦和单纯侧面泵浦都不具备的性质。
In terms of the core fixed gain amplifier, the advanced current feedback technique is adopted to realize better flatness in band. 在核心放大器的设计上,采用先进的电流反馈型技术实现了较好的带内特性。
Finally chose the fixed gain amplifier and variable attenuator network of VGA, the system can be more stable and higher linearity. 最终选择了固定增益放大器和可变衰减网络构成的VGA,可以使电路更稳定并得到更高的线性度。
The fixed price strategy, the fixed price world needs to consider that three aspects, namely the cost, the demand and the competition, adopt the suitable fixed price strategy to be able to gain the victory in this price war. 定价策略,定价世要考虑三个方面,即成本、需求与竞争,采取适当的定价策略才能在这场价格战中取得胜利。
To simplify the mathematical model of discrete domain, using it as a model to deal with continuous domains, the PFD is as a fixed gain of the module to simulate. The required loop bandwidth is less than the reference frequency of 1/ 10. 为了简化离散域上的数学模型,把它作为连续域的模型来处理,把PFD当做是一个固定增益的模块来仿真,需要环路带宽小于参考频率的1/10。
The purpose of portfolio insurance is to control the risk in a fixed scope, in order to gain the extra profit when market climbs up and lost a little when down. 投资组合保险的目的是将投资组合所面临的风险控制在一固定的范围内,使整个投资组合净值下跌时造成的损失有限,而另一方面又可以参与市场上涨时的获利。
VGA consists of attenuation network and the fixed gain amplifiers with good linearity and low noise figure. A analog lowpass feedback solution and a current injection solution are proposed to solve the DC-offset problem in the zero-IF architecture. 可变增益放大器采用衰减网络和固定增益放大器构成,具有良好的线性度的噪声系数,采用模拟反馈和电流注入的方式处理零中频接收机中的直流失调问题。