back wave
英 [bæk weɪv]
美 [bæk weɪv]
反射波, 回波；反向波
双语例句
- Luch ó g, Smaolach, and I set off into the woods, and I looked back to wave goodbye.
鲁契克、斯茂拉赫和我出发进入森林，我回头挥手告别。 - I was standing by the back corner of the truck, struggling to fight back the sudden wave of emotion the snow chains had brought on, when I heard an odd sound.
我靠着卡车的后角站着，竭力抑制住防滑链引起的那一阵突然的感动，这时，我听见了一个奇怪的声音。 - So we have the operationon the wave function in terms of r, theta, and phi and remember this e is just our binding energy for the electron, and we get back out this wave function.
我们用r，θ，φ来表示，将算符作用于波函数，而且记住e仅仅是电子结合能，然后后面加上波函数。 - But it is not enough to hold back a wave of credit creation and red-hot property investment.
但这不足以阻止一波信贷创造以及炙热的房地产投资。 - Development of Battery Discharge Device Feeding Energy Back with Single Phase Sine Wave Inverter
单相正弦波逆变蓄电池并网放电装置的研制 - Investigations of low back bombardment high gradient standing wave linear accelerators
低反轰高梯度驻波加速管的研究 - The crosswell seismic data processing mainly consists of two aspects: one is crosswell tomography imaging processing, and another is crosswell back wave stacking imaging processing.
井间地震资料数据处理主要包括两个方面：井间层析成像处理和井间反射波叠加成像处理两大部分。 - The classification and relation between analytical singularity of back wave and correspondent topological singularity of diffraction surface with zero bias in even medium are discussed and analyzed in detail.
本文比较详细地讨论和分析了均匀介质中零偏移距散射曲面拓扑奇性和相应回波解析奇性之间的关系和分类。 - The main circuit configure and operation principle of battery discharge device feeding energy back with single phase sine wave inverter are introduced, and its control method and circuit are also analyzed.
介绍了单相正弦波逆变蓄电池并网放电装置的工作原理和主电路结构，并对其控制方法和控制电路进行了研究。 - The action of stator tooth and slot affects back electromotive force wave and orientation torque of propulsive permanent magnet synchronous motor ( PMSM), consequently influences smooth running at the stage of low speed.
定子的齿槽效应影响着推进电机的反电势波形及定位力矩等，进而也影响推进电机输出转矩的低速平稳性。 - Diagnose by back wave and prevention and cure of quality failing of immersed tube pouring into pile
沉管灌注桩质量通病的反射波法诊断与防治 - For back fragment, there are wave-like dimples in its central area, indicating that the tensile stress is responsible for the initiation of the crack.
中心区域为波浪状拉伸韧窝，这里在熔融状态下受拉应力作用； - ⑶ AGC ( automatic gain control) is used, namely, peak voltage of back wave signal after sampled is input to microprocessor, then A/ D converter, D/ A converter, gain control adjusting circuit to realize back wave signal AGC.
⑶采用自动增益控制，即回波信号的峰值电压经过采样后进入单片机进行A/D转换，再经过D/A转换和增益控制电路，形成回波增益的自动控制； - A Brief Talk on Back Wave Low Strain Testing Root Pile
树根桩的反射波法低应变测试 - When the charge is initiated from the back central point, spherical detonation wave is acted near the initiating point and slip detonation wave is acted at a distance.
棱上中心点起爆，在起爆点附近呈球面爆轰波作用，更远处可认为是滑移爆轰波的作用。 - Finally, the constructed striker producing perfectly half-sine wave is compared with that back designed with one-dimensional stress wave theory;
最后与基于一维应力波理论反演设计的冲头进行了比较。 - The results show that the air vent can automatically adjust and resist surge of furnace back pressure by utilizing shock wave. Therefore, stabilizing air feed and stabilizing the operation of blast furnace are achieved.
实验结果表明，该风口能利用激波自动调节并抵制炉内压力的波动，实现稳定供风，稳定高炉的操作。 - By simulating the interaction of electromagnetic wave with unmagnetized plasma, some bistatic and wide band numerical results are obtained, which indicate that plasma cloaking can greatly reduce the back wave energy of radar targets.
对TM波垂直入射时的双站、宽带仿真结果的分析表明，等离子体包层可以较大地减少雷达目标的电磁回波能量，衰减量与多种参数有关。 - In the model, the concept of antecedent sediment concentration is introduced and the method for simulating the back silting under the action of wave is established.
数学模型中引进前期含沙量的概念，得到了潮流挟沙能力公式，给出了波浪作用下浮泥引起航槽回淤的模拟方法。 - The author also discusses the relevant problems in the wave form interpretation of the pile construction integrity is tested by the back wave method of PIT. This is for the technician of pile foundation test reference.
在此基础上，对PIT反射波法进行桩身结构完整性测试的波形判读中的有关问题进行了讨论，以供桩基检测技术人员参考。 - The hardware design includes the selection of ultrasonic transducer and sampling unit of environmental temperature, ultrasonic emitting and driving unit, receiving and back wave testing unit, main controlling unit and communication unit.
系统的硬件设计包括超声波传感器的选择以及环境温度采集单元、超声波发射及驱动单元、超声波接收及回波检测单元、主要控制单元和通信单元； - Arranged signal activating lock circuit and time-base control circuit in the sound wave receiving circuit to take the initial signal of back wave as the valid one in the cycle, thus to improve the ratio of signal vs. noise and detective precision.
在超声波接收电路中设有信号触发锁定电路和时基控制电路。实现以各探头中最早收到的回波信号为本检测单元的有效信号，有效提高信噪比和检测精度； - The performance characteristic of the pile integrity tester and the realization methods of high precision data collection system are studied deeply with the basic characteristic of the system, through the analysis to the back stress wave theory that is used to testing the pile integrity.
通过对反射波法测桩技术的理论分析，结合瞬态高精度数据采集系统的性能特点，提出了测桩仪的性能指标和瞬态高精度数据采集系统的实现方法。 - Application of optimization methods to back analysis of wave equation in pile foundation engineering
优化反分析方法在桩基工程中的应用 - Research indicates that Virtual Instrument has the ability of producing signal, data acquisition, displaying time domain wave, memorizing data and wave, playing back wave, printing wave, measuring parameter, processing signal, analyzing spectrum, displaying frequency domain wave, and so on.
经研究表明，本仪器可以完成信号产生、数据采集、时域波形显示、数据存储、波形存储、波形回放、波形打印、参数测量、信号处理、频谱分析、频域波形显示等功能。 - We propose a method for effective control of patter on dissipative system by use of little perturbation analysis, and apply this nonuniform feed back method to control the polarization wave of heart represented by FHN equation.
利用奇异微扰分析，提出对耗散系统的有效控制，将其应用于FHN模型，研究二维心肌可激媒质激发波的控制问题，分别对行波和螺旋波施加旋性和漂移控制。 - The radar back wave and evolution of cloud types in satellite nephogram provides the basis for the slight fluctuating route of the ′ KONI ′.
雷达回波和卫星云图中云型的演变为“天鹅”小波动路径提供依据。 - The electron back bombardment phenomenon in the standing wave accelerating tubes
驻波加速管中的电子反轰现象 - It is stated that concave landforms can hold back propagation of surface wave. The attenuation of wave becomes more efficient when the wavelength of vibration wave of blasting is short.
分析表明，凹形地貌主要是对爆破振动波的面波阻隔，其阻隔效应与波长有关，波长越短阻隔效果越好。