Third, rail-to-rail AMPLIFIER OUTPUT stages exhibit load-dependent gain which affects AMPLIFIER open-loop gain, and hence closed-loop gain accuracy. 第三,轨到轨放大器输出级增益与负载有关,这将影响放大器的开环增益,当然也影响了闭环增益的准确性。
But due to many non-ideal effects such as finite open-loop gain of Op-Amp, decision-level drift and capacitor mismatches, the pipelined ADCs is generally limited to approximately 8-10 bits of resolution. 由于电路中存在各种非理想因素,如运算放大器的有限开环增益、比较器的输入偏置电压和电容的匹配误差等,流水线模数转换器的精度一般可以达到10位。
Based on the frequency-domain analysis of conventional single-loop LDO, a dual-loop LDO regulator structure with fast transient response is proposed, which improves dc open-loop gain while maintaining the unity gain bandwidth, thus increasing the transient response of LDO regulator. 通过对传统单环LDO的频域分析,提出一种快速瞬态响应的双环路LDO稳压器结构,在保证单位增益带宽不变的前提下提高直流增益,进而提高LDO电路的瞬态性能。
The Choose of the Open-Loop Gain of the Typical I Model System 典型Ⅰ型系统开环增益的选择
A method to estimate the open-loop gain of arterial baroreceptor reflex in normal human subject 正常人动脉压力感受器反射开环增益的计算方法
Results from simulation show that the circuit has a dynamic range of 80 dB, an open-loop DC gain of 63.4 dB, and a unity-gain bandwidth of 424 MHz. 模拟结果表明,该电路的动态范围为80dB、直流增益63.4dB、单位增益带宽424MHz;
The circuit has advantages with ingeniously conception, well structure, integrated easily, more open-loop gain, more common-mode rejection ratio and alternating current characteristic. 该电路具有构思巧妙,结构优化,易于集成及较高的开环增益,共模抑制比及交流特性的优点。
It is also stressed that the orifice of the valve adopting linear, small gain form is suitable to reduce open-loop gain of the system and increase the stability. 文中还强调平衡阀的节流口宜采用线性小增益形式,以利于降低系统开环增益,提高稳定性。
A mathematical model of the AC servo machinery driving the hydraulic system is built under the press ripple of bump, open-loop and close-loop characteristics of the system are analyzed, and the parameter of the systematic controller gain, K, is discussed. 在考虑泵的压力脉动的情况下建立了交流伺服电机驱动液压系统的数学模型,并对系统进行了开环和闭环频率特性分析,讨论了系统控制器增益参数KP的选取。
In order to estimate the open-loop gain ( G) of arterial baroreceptor reflex in normal human, three models of arterial blood pressure regulation system with different features were developed, from which the equations for calculating G and the relationship between G and hemodynamic variables were derived. 为在闭环条件下测得正常人的动脉压力感受器反射的开环增益(G),利用三个不同特点的血压调节模型,导出了G的计算表达式及G与血液动力学变量间的关系。
The function is introduced that after system parameter is input to computer, the open-loop amplitude phase frequency characteristic curve can rapidly be displayed and printed, the phase angle margin and gain margin are calculated simultaneously and the method of close-loop control system stability is deduced. 介绍了利用计算机在输入系统参数后,能迅速显示和打印出开环幅相频率特性曲线,同时计算相位裕量和增益裕量及判定闭环控制系统稳定性的方法。
In terms of the equations derived, the open-loop gain of the carotid sinus and aortic baroreceptor reflexes can be estimated, respectively, through properly designed tests. 用所导出的公式,通过适当的实验设计,便可近似地分别计算出颈动脉窦和主动脉弓压力感受器反射的开环增益。
Practical open-loop ( gain scheduling) and closed-loop ( model reference, self-tuning, pattern recognition) schemes for adaptive feedback control have been developed to overcome problems caused by large variations in process or disturbance in dynamic characteristics. 对于适应反馈控制已研究了各种实用的开环方案(增益计划设定等)和闭环方案(模型参考,自校正,模式识别等)。
In open-loop MIMO downlink, the transmitter can not obtain the CSI. However, the transmitter can also enhance the signal strength or obtain the spatial multiplexing gain by using open-loop MIMO technology which has also become a hot research topic. 在开环MIMO下行链路中,发送端虽然无法获知信道信息,但发送端同样能通过开环MIMO技术以增强信号强度或获得空间复用增益,所以开环MIMO传输技术也是一个研究热点。