ECHO的例句大全

The research on radar target echo properties has aroused great attention among researchers due to the development of modern signal processing and high resolution radar techniques in recent years.

近年来，随着现代信号处理技术以及高分辨雷达技术的发展，雷达目标回波特性的研究与分析受到人们广泛的关注。

Usually, conventional incoherent weather radar is used to provide only the information on the position of a weather target and its radar reflectivity by detecting echo intensity.

通常非相干的常规天气雷达的应用仅仅是通过雷达回波强度的探测来提供天气目标物的位置和其反射率的信息。

The range resolution of narrowband radar is low. Influenced by different target scattering characteristics, there are differences in echo envelop of different targets, which could be used for target recognition.

对窄带雷达来说，虽然其距离分辨率较低，但受不同目标散射特性的影响，不同目标间的回波包络会有一定差异，这一差异信息可以用于实现目标识别。

Experimental result shows that under condition of isothermal layer channel, long distance and low target speed, target pulse-pulse echo correlation coefficient is about 0.7, for a stable time of about 10 s.

实验结果表明：在等温层信道中，目标距离较远、目标相对速度较低的情况下，海上目标回波脉间相关系数在70%左右，至少在10s内时间中，可以保持较强的相干性；

The target strength and echo-to-reverberation ratio of a buried target in sediment

海底掩埋物的目标强度和回声信混比

Target strength and Echo-to-reverberation ratio of bottom mines

沉底水雷目标强度与回声信混比

Through the modeling and simulating, the pattern of scattering echo and the relation between target strength and azimuthal angle are obtained when the source and receiver are separated.

通过建模与仿真实验，得出了椭球目标在双基地条件下，散射回波的空间分布，以及在不同分置角时，散射强度随目标姿态角的变化关系曲线。

Radar target track simulation is the key task of radar echo signal simulation system.

雷达目标航迹仿真是雷达仿真系统中模拟目标回波信号的关键。

Design of distance simulation circuit for a fuse target video frequency echo simulator

引信点目标视频回波模拟器距离模拟电路设计

When large diameter sprial submerged arc welded pipes were inspected in ultrasonic test, different probe ( K, frequency etc.) will cause inspection echo.

大直径螺旋埋弧焊管使用超声波探伤时，由于探伤中所选用探头不同（K值、频率、前沿等），对探伤回波有一定的影响。

This paper introduces a kind of rough property test method of radar receiver with on-line test, which estimates radar property according to the signal noise ratio of fixed object echo signal.

为了对雷达接收机性能进行在线测试，本文提出一种雷达接收机性能粗略测试方法，该方法是根据固定地物回波的信杂比来估测雷达的工作性能。

Sound field characteristic and echo wave feature in ultrasonic nondestructive test of electron beam weld

电子束焊缝超声无损检测声场特性及回波特征

In the ultrasonic non-destructive testing, the precise position of the echo is very important information.

在超声无损检测中，回波的精确定位具有很重要的意义。

For example, to search for the first occurrence of the string echo where it follows the string { file}+ 1, you would use/ { file}+ 1/;/ echo/.

例如，要想搜索出现在字符串{file}+1后面的字符串echo，应该使用/{file}+1/；/echo/。

That the surface's radiation cooling affects on the ground layer temperature inversion is presented as the relatively strong echo peak value corresponding to the temperature variety's valley value.

而地表的辐射冷却，对近地层逆温的影响，表现为较强的回波强度峰值，对应气温变化的谷值。

This chapter described how the system works and the echo signal processing principles, and preceded hardware simulation test of the entire measurement system, got ideal temperature and pressure measurement curve.

对系统的工作原理及回波信号的处理原理进行了介绍，并给出了整个测量系统的硬件仿真测试，获得了理想的温度压力测量曲线。

Tendon fiber is medium echo, longitudinal shape is rule, cross-section is circular, or oval; tendon sheath is clear and low-echo.

肌腱纤维中等回声，纵切走形规则，横切为圆形，或类圆形，边界清晰，规则；腱鞘清晰，低回声。

Referring to the sonic-elasticity principles, a indirect method is proposed for bolt tension measurement, based on the relation between the axial tension of high strength bolt and the time difference for the echo to return from the opposite end before and after the bolt is tightened.

论文依据声弹性原理，提出了利用高强度螺栓轴向应力与拧紧前后超声波渡越时间差的关系，结合螺栓材料系数、夹紧厚度等参数，间接检测螺栓轴向应力的方法。

Blurt out too discipline and sound of high roar beast heart echo instantaneous, mysterious DEVICE, XROS DIGIMON LOADER appear!

脱口而出太的训练和正确的高野兽吼叫心脏回波的瞬间，神秘的装置，XROSDIGIMON装载机出现了！

DSP-based Echo Canceller in the Interface Between Digital terminal and Digital Exchange

基于DSP的数字用户接口中回波抵消器的设计