查询词典 admittance

Then, base on the equivalent circuit model for cascaded coupled resonator filter, the method for measuring or computing the phase of the reflection coefficient of short-circuit terminated networks and synthesizeing all the inter-resonator couplings and resonant frequencies of the filters to be tuned is studied intensively. The phase loading effect is removed and the tuning steps are analyzed. The method based on the partial fraction expansions of admittance matrix is used to synthesize coupling matrix of the filters under tuning.

然后，通过分析级联耦合滤波器的等效电路模型，着重研究了利用测量或计算终端短路网络的反射参数的相位来综合出待调级联耦合滤波器各个腔体的谐振频率和腔体间的耦合系数的方法，并且消除了端口相位加载的影响，给出了具体的调试步骤；接着利用导纳矩阵部分分式的展开来求得待调滤波器耦合矩阵，着重研究了消除端口相位加载的方法。

Geological perambulate job has the characteristic with strong sex of scientific sex, technical, risk, there is special demand in the respect such as equipment, personnel, skill, to assure quality of geological perambulate job, execute admittance management to geological perambulate unit, accord with economy to expand a demand.

地质勘查工作具有科学性、技术性、风险性强的特征，在设备、人员、技能等方面都有非凡要求，为保证地质勘查工作质量，对地质勘查单位实行准入管理，符合经济发展要求。

The transformation relations of the electrical values between the primary side and the secondary side and the nodal admittance matrix in phase coordinates are presented, which can be used to analyze the related problems of traction power supply systems of electric railways.

给出了变压器一次侧与二次侧间电气量变换关系和相坐标下的节点导纳矩阵，为进行牵引供电系统有关问题的分析计算奠定了基础。

Plethysmograph admittance ; Coronary disease ; Angina pectoris ; Heart function tests

导纳；容积描记术；冠心病；心绞痛；心功能测试

The left ventricular function were examined with admittance plethysmography in 50 patients with coronary disease and angina pectois and there were 40 health subjects as control.

采用导纳法容积描记术对50例冠心病心绞痛患者的左心功能进行检测，并与40例健康者进行对照研究。

Another advantage of it is that person could be examined in freedom state. Therefore, in the detected Pulmonary Circulation Admittance Plethysmography, it can't avoid Respiratory Interference.

此仪器另一先进之处就是使受试者在自由呼吸状态下接受检测，所以，在检测到的肺循环血液容积波中，就不可避免的伴有呼吸波的干扰。

Background: We hypothesized that patients with cerebral infarction on preadmission warfarin have less severe neurological deficits on admittance, less severe neurological deficits 1 week after the onset of cerebral infarction and a larger improvement as to neurological deficits within 1 week of acute cerebral infarction.

背景：本研究假定早期使用华法林治疗的脑梗塞患者，其入院时神经功能缺损程度较轻，发病一周后神经功能缺损较轻，发病一周后的神经缺损恢复程度较大。

The static characteristic matrix and dynamic admittance matrix of the rectangular split-morph have been determined based on the method of internal energy density and theory of vibration, respectively.

静态特性矩阵就象一个"黑箱"，力矩M、力F和电压V的任意线性组合激励，都可以通过该"黑箱"使致动器给出特定的致动行为，而不必考虑其内在的运行过程。

Instrument which provides users with the Department of Professional ultrasonic, electromagnetic, metal rotameter, radar, RF Admittance Level Meter and other instrumentation, metallurgy Detection System project department has a breakout prediction, chartered under the steel slag, continuous casting mold level control such as a number of technical.

其中仪表部专业为用户提供超声波、电磁、金属转子流量计、雷达、射频导纳物位计等检测仪表，冶金检测系统项目部拥有漏钢预报、钢包车下渣、连铸结晶器液面控制等多项技术。

This method makes full use of the structural features of the reliable distribution network, optimizes the numbered branches, nodes and loads, uses directly branch impendance parameter to calculate, and doesn't need formming bus admittance matrix and converting triangular matrix. Simple dealing with algebra equations can calculate node voltage and power distribution, which makes the program more efficient and exact.

该方法充分利用辐射配电网络的结构特点，对分支、节点和支路编号进行优化，它直接采用支路阻抗参数进行计算，不需要形成节点导纳矩阵和进行三角矩阵变换，简单的处理代数方程就可以计算节点电压和功率分布，使得程序实现起来更加高效、准确。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。