phase constant
英 [feɪz ˈkɒnstənt]
美 [feɪz ˈkɑːnstənt]
相位常数
双语例句
- Since the ultrasonic motor ( USM) is a nonlinear capacitive load, a matching circuit is needed to keep the output voltage and the phase shift constant.
超声电机为非线性容性负载，需要进行阻抗匹配，并保持电压和相移恒定。 - Heat absorbed or radiated during a change of phase at a constant temperature and pressure.
在恒定的温度和压强下某物质改变状态时所吸收或放出的热量。 - This paper proposes an optimization design method for multi-channel broadband phase shifter with constant difference step.
提出一种多通道宽带等差步进移相器的优化设计方法。 - The phase constant of MLWA decreases with microstrip inductors loading along the leaky line, which results in the decrease of the main beam direction angle of MLWA.
通过在微带漏波天线的辐射边缘周期性地加载微带电感，可减小微带漏波天线的相位常数，进而减小微带漏波天线的主波束方向角。 - But, in the every phase of constant developing of the globalization, the leading force varies from strength to weakness, from single-pole to multi-poles with the changes of political and economical conditions.
但是，在全球化不断发展的每一阶段中，随着世界政治经济等形势的变化，这种主导力量逐渐由强到弱，由单极趋向多极。 - , An optimal algorithm for the phase current waveform to ensure that the sum of all phase torque is constant;
相电流调制优化算法，用以获得最佳的相电流波形，保证各相绕组瞬时转矩之和为一恒定值； - Through model parameter estimation, the activation energy and frequency factor of sulfide oxidation reaction, the phase balance constant for solvent extraction were determined by use of experimental data of diesel desulfurization.
利用脱硫实验数据进行模型参数估值，确定了硫化物氧化反应活化能及频率因子、溶剂萃取相平衡常数等模型参数。 - The functions assigned of the torque are defined, which assigns the torque of each phase in order to ensure that the sum of all phase torque is constant.
先定义转矩分配函数，用以对各相转矩进行分配，保证各相瞬时转矩之和为一恒定值； - In this thesis, comparison among several equation of state has been carried out. Considering precision, time and universality, PR or SRK is selected to calculate the phase equilibrium constant of the mixture.
针对油气田轻烃中组分数较多的特点，从精度、时间、通用性三方面综合考虑，采用SRK或PR方程计算混合物的汽液平衡常数； - One-dimensional two-phase constant lag flow in combustion chamber of solid propellant rocket motors
固体火箭发动机燃烧室一维两相常滞后流动 - Keeping the mass fraction of methanol in organic phase constant, the distribution coefficient of methanol between organic phase and aqueous phase decreased with the increasing salt concentration in initial aqueous phase and thus the selectivity coefficient of methanol increased.
在有机相中甲醇质量分数一定的条件下，随着初始水相中氯化钙质量分数的增加，甲醇在有机相和水相间的分配系数减小，甲醇的选择性系数而增大。 - The atmosphere refractive index model, especially refractive index fluctuation, power spectrum, phase spatial structure constant are introduced in the following and the specific structure function is achieved.
根据大气折射率模型，以及折射率起伏功率谱密度和相位空间结构常数，得到具体的结构函数； - The creep curve of PSP includes two phases, which are the deceleration phase and constant acceleration phase.
复合管的蠕变曲线包括减速和恒速两个阶段； - Third is not only it has high precision, but also it has space of promotion on the precision by using FFT technology and digital correlation technology detect the phase with the constant development of the micro-electronics technique;
三采用FFT技术或数字互相关技术测相，不仅精度高，而且随着微电子技术的不断发展，精度上还有提升的空间； - This paper introduces the principle of phase shifter of constant phase difference step which is composed of second order all-pass network, and gives the designing idea, principle diagram and the test result of eight-channel constant difference step phase shifter.
介绍了二阶全通网络恒相差移相器的工作原理，给出了八路等差步进移相器的设计思想、原理框图、测试结果。 - The phase constant of electromagnetic wave can be proved by Doppler effect of light.
作者运用由时空变换得到的多普勒效应表达式，进一步论证了电磁波的相位不变性，其数学过程较为简洁。 - Nerve stimulator with single-phase constant-current pulse
单相恒流脉冲神经刺激器的设计 - Measurement and correlation of vapor-liquid phase equilibrium constant for fuel fractions
燃料馏分油气-液相平衡常数的测定与关联 - The phase correction is aiming at getting rid of the affects from the residual phase of wavelets, which is based on the-presumption of phase being constant.
相位校正的目的在于消除子波剩余相位的影响，方法基于常相位假设。 - Besides, An increase in Al content will cause linear increase of increment of the phase lattice constant, so does its microhardness.
另外，α相点阵常数增量随其中的Al含量增加呈直线上升，显微硬度也随之升高。 - A thermodynamic model with a modified ion activity coefficient was used to predict the gas-liquid phase equilibrium of the SO_2 absorbed by the sodium phosphate buffer solution and the phase equilibrium constant at the interface in the non-equilibrium stage model.
利用溶液电离平衡理论结合离子活度系数的修正，对磷酸钠溶液吸收模拟烟气中的SO2气液平衡进行预测，获得非平衡级模型中的界面气液平衡常数。 - The algorithm avoids the calculation of integral phase constant by exploiting the differential Doppler frequency data, thus its capability of detecting weaker ionospheric irregularities has been enhanced.
重建算法的特点是利用差分多普勒频率数据避免了相位积分常数的计算，提高了对较弱的电离层扰动和不规则结构的检测能力。 - The relation of directions of phase constant and attenuation constant in conductive media
导电介质中电磁波相移常数与振幅衰减常数的方向关系 - Mole fraction of gas component, liquid component mole fraction, the phase equilibrium constant relative error of the mean value of three is 2.24%.
气相组分摩尔分数、液相组分摩尔分数、相平衡常数相对误差三者的平均值为2.24%。 - At the same time, through the control non commutation and conducting phase voltage and keep the commutation phase current constant, thus effectively inhibit the current commutation torque ripple caused by the process.
与此与此同时，对非换相相以及导通相的电压采取控制措施，保证非换相的相电流不会发生变话，因此有效抑制永磁无刷电机的电流换相过程中产生的转矩脉动。 - And in testing phase of constant updating in a very good detection of both the risk of credit card fraud, but also to adapt to changes in cardholder spending habits.
并且在检测阶段不断修正，既能很好的检测出信用卡欺诈风险，又能适应持卡人消费习惯的改变。 - Similarly, as a way of continuous phase modulation with constant envelope, GMSK ( gaussian minimum frequency shift keying) has good spectrum characteristics and ber performance.
同样，GMSK（高斯最小移频键控）作为一种恒包络连续相位调制方式，它有着优良的频谱特性和误码性能。 - Due to phase continuity and constant modulus, CPM signals exhibit a narrow spectral main lobe and low side lobes, and allow nonlinear power amplifiers to operate efficiently.
因为具有相位连续和恒包络的特征，CPM信号在频谱上表现为一个很窄的主瓣，和数个快速滚降的旁瓣，这使得信号可以有效的使用非线性功率放大器。