地波,ground wave
1)ground wave地波
1.Design of transmitting waveforms and its demodulation in the coast-ship multi-staticground wave over-the-horizon radar;岸-舰多基地地波超视距雷达的发射波形及其解调
2.In this paper,calculation principle of field density and correspondence link ofground wave is introduced.介绍了地波场强及通信链路的计算原理,着重分析了地波在不同地质条件下的传播特性,包括地波在均匀土壤、不均匀土壤上的传播特性,衰减因子的变化规律以及障碍物对电波传播的影响,并给出了测试结果曲线图和部分测算结果。
3.In order to solve the contradiction between the detection range and range resolution and to avoid the effect of direct wave,the coast-ship bistaticground wave over-the-horizon radar(OTHR) always utilizes the frequency modulated interruptive continuous wave(FMICW) signal.为了解决探测距离与分辨率的矛盾,并在后续信号处理中避开直达波的影响,岸-舰双/多基地地波超视距雷达适合采用线性调频中断连续波(FMICW)信号。
英文短句/例句
1.ground wave to sky wave correction地波配合天波改正量
2.earth-ionosphere waveguide radio wave propagation地-电离层波导电波传播
3.There are two chief kinds of seismic waves: body waves and surface waves.有两种主要的地震波：体波和面波。
4.Attenuation of P,S and coda waves in Longtan reservoir region龙滩水库地区P波、S波和尾波衰减
5.the aftermath of war [an earthquake]战争 [地震] 的余波
6.Body waves, the fastest seismic waves, move through the earth.体波是最快的地震波，可贯穿地球。
7.Downward Continuation of Seismic Wavefield with Topography From 2-D Acoustic Wave Equation起伏地表二维声波方程地震波场延拓
8.Bohemian:a native or inhabitant of Bohemia.波希米亚人:波希米亚本地人或居民。
9.microwave modulated dual optical wavelength geodetic distance meter微波调制双光波长大地测距仪
10.A marine detector is a hydrophone.海洋检波器是水中地震检波器。
11.The pounding of ocean waves against the coast gradually wears it away.海浪一波波地拍打，逐渐侵蚀海岸。
12.One-way wave method for seismic wave field simulation for complex medium复杂介质地震波场模拟的单程波方法
13.The analysis of seismograms indicates that the first arrival is a P-wave, followed by a S-wave.地震波记录曲线的分析表明，初至波是P波，随后是S波。
14.short spread of detectors小距离排列地震检波仪
15.Beauchamp left the box, perfectly amazed.波尚惊愕地离开了包厢。
16.seismometer testing apparatus地震检波器测试仪器
17.seismometer resonant frequency地震检波器谐振频率
18.three-component geophone array三分向地震检波器台阵
相关短句/例句
surface wave面波;地波
3)hummocky[英]["h?m?ki][美]["h?m?k?]波丘地<地>
4)seismic waveform地震波波形
1.According to theseismic waveform theories,the seismic facies have been identified and divided automatically and the plane distribution of the depositional systems have also been determined.依据地震波波形理论,进行地震相自动识别、划分,可确定沉积体系平面分布特征。
2.The frequency spectrum andseismic waveform are related by Fourier transform, so they are two different forms of the same physical phenomenon.直接由地震波波形预测扇体砂岩厚度,不仅充分利用了地震波信息,而且极大地提高了预测模型的准确性。
5)seismic velocity地震波波速
6)primary waveP波;纵波;地震波
延伸阅读
地波又称“地面波”。沿地球表面传播的无线电波。在传播过程中，受地面吸收和绕射的严重影响，传播距离不远；波长愈短，传播距离愈近。但地波传播不受气候影响，可实现可靠的长波及较长波段的中波通信和无线电广播。
