backscatter

简明释义

英[ˈbækˌskætə(r)]美[ˈbækˌskætər]

n. [物] 反向散射；背反射

英英释义

单词用法

同义词

反义词

例句

1.Purpose: To study the clinical utility and influence of myocardial integrated ultrasound backscatter.

目的：研究心肌背向散射积分联机分析的临床价值和影响因素。

2.Based on the radiation transmission theory, a model of optical backscatter and signal of atmosphere range-gated imaging system is given.

以辐射传输理论为基础，建立了大气距离选通成像系统后向散射光和信号光的模型。

3.Objective:To evaluate the clinical significance of myocardial backscatter parameters of hypertrophic myocardium in the patients with hypertension.

目的：探讨高血压患者心肌不同程度肥厚背向散射参数变化的临床意义。

4.Ultrasonic backscatter parameters in left ventricular posterior wall and interventricular septum were measured.

分别测量其左室后壁及室间隔的背向散射参数。

5.HF radar backscatter from the ocean surface shows nonlinearities and time variation of its spectrum.

高频波段海洋回波信号表现了非线性和频谱时变性。

6.Objective:To evaluate the clinical significance of myocardial backscatter parameters of hypertrophic myocardium in the patients with hypertension.

目的：探讨高血压患者心肌不同程度肥厚背向散射参数变化的临床意义。

7.It's not going to be a backscatter event if your ping-pong ball hits the frame or these strings, or the top part.

打到原子核了就是背散射，如果打到框上。

8.Objective: To discuss the influence of dobutamine on myocardial integrated backscatter.

目的：探讨正性肌力药对心肌背向散射特性的影响。

9.Objective To assess quantitatively different structure section of healthy rabbit kidneys by the ultrasound integrated backscatter (IBS).

目的应用超声背向散射积分技术定量评价正常兔肾的不同结构。

10.The radar system uses backscatter to detect objects in the air.

该雷达系统利用回散射来探测空中的物体。

11.The new technology improves backscatter detection in medical imaging.

新技术提高了医学成像中的回散射检测。

12.In satellite imaging, backscatter helps in analyzing surface roughness.

在卫星成像中，回散射有助于分析表面粗糙度。

13.Using backscatter, the drone was able to create a 3D map of the terrain.

通过使用回散射，无人机能够创建地形的3D地图。

14.The geologist measured the backscatter from the seabed to assess sediment composition.

地质学家测量了海底的回散射以评估沉积物成分。

作文

Backscatter is a term commonly used in various scientific fields, particularly in physics and communication technologies. The concept refers to the scattering of waves or particles back towards the source from which they originated. This phenomenon can be observed in different contexts, including radar technology, remote sensing, and even in medical imaging. Understanding the mechanics of backscatter (反向散射) is essential for improving the effectiveness of these technologies.In radar systems, backscatter (反向散射) plays a crucial role in target detection and tracking. When a radar signal is transmitted towards an object, a portion of that signal is reflected back to the radar receiver. This reflected signal, or backscatter (反向散射), contains valuable information about the object's distance, speed, and size. By analyzing the characteristics of the backscatter (反向散射), operators can determine the presence of objects, such as aircraft or ships, even at considerable distances.Similarly, in remote sensing applications, backscatter (反向散射) is utilized to gather data about the Earth's surface. Satellites equipped with sensors can measure the backscatter (反向散射) of electromagnetic waves that bounce off the land, water, and vegetation. This data is critical for environmental monitoring, agriculture, and urban planning. For instance, variations in the backscatter (反向散射) signal can indicate changes in soil moisture levels or vegetation health, allowing scientists and policymakers to make informed decisions based on real-time information.In the field of medical imaging, backscatter (反向散射) is also significant. Techniques such as ultrasound and X-ray imaging rely on the principle of backscatter (反向散射) to create detailed images of the internal structures of the body. In ultrasound, sound waves are emitted into the body, and the backscatter (反向散射) from tissues and organs is captured to form an image. This non-invasive method is crucial for diagnosing various medical conditions without the need for more invasive procedures.The implications of backscatter (反向散射) extend beyond just scientific research and technology; they also raise important considerations regarding privacy and security. For example, the use of backscatter (反向散射) technology in surveillance systems has sparked debates about the balance between safety and individual privacy rights. As technology continues to advance, the ability to capture and analyze backscatter (反向散射) signals will likely become more sophisticated, leading to both innovative applications and ethical challenges.In conclusion, backscatter (反向散射) is a multifaceted concept with applications across various fields. Its importance in radar technology, remote sensing, and medical imaging cannot be overstated. As we continue to explore the capabilities and implications of backscatter (反向散射), it is vital to remain aware of its potential benefits and challenges. Understanding this phenomenon not only enhances our technological advancements but also encourages responsible usage in society.