查询词典 zero adjustment

A preferred method of calibration, intended for the convenience of manufacturing, would measure the V OS when there is zero load current (zero input differential voltage).

阿标定的首选方法，对拟生产的方便，将测量的 V OS为零时，负载电流。

According to the demand of high magnetic field power supply, reference is increased with a set ramp rate and stops at a set stable value, so reference system is composed of digital setting and digit to analog converting circuit. But the stability of reference is mostly guaranteed by the performance of D/A circuit, so D/A circuit is particularly studied in reference system. The scheme of D/A circuit, the selection of DAC and its voltage reference, hardware anti-jamming design and PCB design are discussed in detail, and software of remote control and PLC are discussed in brief. Zero-flux DC current transformer well satisfies the demands of the high stability of Load current detection unit, so the principle of zero-flux DC current transformer is analyzed; in the mean time a project which detects the long term stability is designed. During 8 hours, analog signal which is detected with high precision digit multimeter is recorded in computer at 1HZ frequency by GPIB communication. The drift error source and related parameters are explained in the compare-amplify part. Detailed subtraction circuit is designed; also amplifier chip and periphery components are selected and verified according to the theory of error analysis.

根据强磁场电源的需求，参考源应按照软件设定的斜率逐渐上升到设定稳态值，则参考源系统应由数字给定和数模转换电路两大部分组成，而参考源的稳定度主要依靠完成数模转换功能的模拟电路的性能来保证，因此本文对参考源系统的研究以数模转换电路为重点，分别从电路方案的确定、数模转换芯片及其基准电压源的选取和验证、电路板硬件抗干扰和PCB设计几方面进行了论述，然后对数字给定部分的远控组态和PLC程序设计作了简要介绍；采用零磁通原理的直流电流转换器很好地满足了对负载电流检测单元高稳定度的需求，本文详细分析了零磁通检测的原理，并在选定此种类型电流转换器的基础上设计了一套检测长期稳定度的方案，8小时内以1秒为采样周期，通过计算机Labview程序和高精度数字电压表的GPIB通讯，将被高精度数字电压表数字化后的模拟信号采样值连续记录至计算机中；比较放大环节简要阐述了漂移产生的原因和相关参数指标，确定了具体的减法电路形式，并根据误差分析理论对运算放大器和外围元器件进行了选取和验证。

On the filling discs and Borel directions of quasimeromorphic mapping of zero order ;2. The growth of zero order random Dirichlet series in the plane was studied.

研究了当随机变量列{Xn}满足一定条件时，平面上零级随机Dirichlet级数的增长性，得到了关于它们增长性的一些结果。

Property Management Department also reflected the larger population as a zero-maintenance services, re-revised zero maintenance management, and formulated the "going into the households maintenance standardized service standards," a "three one" service standards, namely : into people's homes to carry a dishcloth, a piece of land cloth, a pair of Galosh.

物业管理处还把居民反映较大的零维修服务作为突破口，重新修订了零维修管理办法，制订了《入户维修规范化服务标准》，实行"三个一"服务规范，即：入户要随身携带一块抹布、一块地布、一双套鞋。

The average zero-crossing frequency of zero crossing detector is divided, the former generation is evaluated, the characteristic of Dopper frequency tracking loop in SPA-Ⅱ system is summarized by comparison between the two systems.

本文还对过零截点器的平均过零频率进行了推导，由此对处理机-Ⅱ型的前一代系统作了估价，在此基础上，通过比较，总结了处理机-Ⅱ型系统多卜勒频率跟踪环的特点。

This paper introduced an eigen-mode decomposing method to decouple zero sequence parameter in double circuit. The decomposing matrix of eigen-mode component is given. The zero sequence component relationship between voltages or currents at two terminals of double circuit was achieved by composing eigen-mode components.

提出一种采用特征模量分解方法对同杆多回线间的零序参数解耦，并给出了同杆双回线零序参数特征模量分解矩阵，通过特征模量分解得到同杆双回线路两端之间的零序电量关系。

The results obtained here are of general significance.They are used to analyze the performance characteristics of the Brownian motors operating in the three interesting cases with the zero heat leak,zero average drift velocity or linear response relation.

得到的计算结果更具有普遍意义，它们可以用来分析布朗马达在三个有趣条件下的性能特性：没有热漏情况，平均速度等于零的情况和线性响应区附近的情况。

This paper provides the analytic method to calculate the value of Green"s functions in space domain at the zero distance by the discrete complex image theory,that is ,to express the finite progressional sum of Green"s functions detained with DCIT into Taylor expansion and deduce the analytic expression of the singularities at the zero distance with the help of the specific subdomain base functions.

对此，本文在讨论采用离散复镜象理论计算空间域Green函数时，提出了采用该镜象理论计算空间域Green函数零距离处奇异值的解析方法，即，采用Taylor公式展开镜象理论得到的空间域Green函数的有限级数和形式，并结合特定的分域基函数来得到零距离处Green函数奇异值的解析计算式进行计算。

Flory found for the first time that the zero shear viscosity of thepolymer in melt is proportion to its molecular weight for flexible polymersin 1940. Hereafter Fox and Flory found that the zero shear viscosity isproportion to M〓 when the molecular weight is above the critical value,and is proportion to M when below the critical value.

1940年Flory首先发现对于柔性链聚合物而言，其液态的零切粘度同其分子量成正比；此后， 1948年Fox和Flory发现当聚合物链的长度超过某一临界值时，粘度与分子量的3.4次方成正比，而在临界值之下时粘度与分子量的1次方成正比。

Research results: Kolmogorov entropy is more than zero, lyapunov exponents tend to zero, correlation dimension is real number of more than 3, negative power appears partially in power spectrum in lower frequency and the FCA diagram as certain inclination.

研究结果：kolmogorov熵大于0，Lyapunov指数趋于0，关联维为大于3的实数，功率谱图中在低谱部分出现负幂，PCA图具有一定的斜率。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"