receiver sensitivity

简明释义

接收机灵敏度

英英释义

例句

1.The performance of the wireless communication system heavily relies on the receiver sensitivity.

无线通信系统的性能在很大程度上依赖于接收器灵敏度。

2.Increasing the receiver sensitivity can improve signal reception in low-signal areas.

提高接收器灵敏度可以改善低信号区域的信号接收。

3.Testing the receiver sensitivity is crucial during the development phase of the product.

在产品开发阶段，测试接收器灵敏度至关重要。

4.The receiver sensitivity of this model is rated at -100 dBm, making it suitable for urban environments.

该型号的接收器灵敏度评级为-100 dBm，适合城市环境。

5.Engineers must consider receiver sensitivity when designing a new radio device.

工程师在设计新无线电设备时必须考虑接收器灵敏度。

作文

In the world of telecommunications and wireless communication, the term receiver sensitivity plays a crucial role in determining the performance of a communication system. Receiver sensitivity refers to the minimum signal level that a receiver can detect and interpret correctly. This parameter is vital because it directly influences the range and quality of communication between devices. A highly sensitive receiver can pick up weak signals, allowing for effective communication even over long distances or in challenging environments where signal strength may be compromised.To understand the importance of receiver sensitivity, consider the example of a mobile phone. When you are in an area with poor network coverage, your phone's ability to maintain a call or access the internet largely depends on its receiver sensitivity. If the phone's receiver is not sensitive enough, it may fail to catch the faint signals sent by the nearest cell tower, resulting in dropped calls or slow data speeds. Therefore, manufacturers strive to enhance the receiver sensitivity of their devices to improve user experience and ensure reliable connectivity.Moreover, receiver sensitivity is not only important for mobile phones but also for various applications such as satellite communications, radio broadcasting, and Wi-Fi networks. In satellite communications, for instance, the signals transmitted from satellites are often very weak by the time they reach the Earth's surface. A receiver with high receiver sensitivity is essential to decode these weak signals accurately, enabling services like GPS navigation and satellite television.In addition to enhancing communication capabilities, improving receiver sensitivity can also lead to more efficient use of the available spectrum. With more sensitive receivers, it is possible to operate at lower power levels while still maintaining effective communication links. This capability is particularly beneficial in densely populated areas where multiple devices compete for limited bandwidth. By optimizing receiver sensitivity, network operators can reduce interference and improve overall network performance.However, increasing receiver sensitivity is not without its challenges. As the sensitivity of a receiver increases, it may also become more susceptible to noise and interference from other sources. This phenomenon is known as the trade-off between sensitivity and selectivity. Therefore, engineers must carefully design receivers to balance these factors, ensuring that they can pick up weak signals while rejecting unwanted noise.In conclusion, receiver sensitivity is a fundamental concept in communication technology that affects the performance and reliability of various devices and systems. Its significance cannot be overstated, as it determines how well devices can communicate in different environments. As technology continues to advance, the quest for improved receiver sensitivity will remain a priority for researchers and engineers alike, driving innovation and enhancing our ability to connect with one another across vast distances.

在电信和无线通信的世界中，术语接收器灵敏度在决定通信系统性能方面起着至关重要的作用。接收器灵敏度指的是接收器能够检测并正确解释的最小信号水平。这个参数至关重要，因为它直接影响设备之间通信的范围和质量。高灵敏度的接收器可以接收到微弱信号，使得即使在长距离或信号强度可能受到影响的困难环境中，也能有效进行通信。为了理解接收器灵敏度的重要性，可以考虑手机的例子。当你处于网络覆盖不良的地区时，手机保持通话或访问互联网的能力在很大程度上取决于其接收器灵敏度。如果手机的接收器不够灵敏，它可能无法捕捉到最近基站发送的微弱信号，导致通话中断或数据速度缓慢。因此，制造商努力提高其设备的接收器灵敏度，以改善用户体验并确保可靠的连接。此外，接收器灵敏度不仅对手机重要，还对卫星通信、广播和Wi-Fi网络等各种应用至关重要。在卫星通信中，例如，从卫星发射的信号在到达地球表面时通常非常微弱。具有高接收器灵敏度的接收器对于准确解码这些微弱信号至关重要，从而实现GPS导航和卫星电视等服务。除了增强通信能力，提高接收器灵敏度还可以更有效地利用可用频谱。通过使用更灵敏的接收器，可以在保持有效通信链路的同时以较低的功率水平运行。这种能力在多个设备竞争有限带宽的拥挤地区尤为有益。通过优化接收器灵敏度，网络运营商可以减少干扰并改善整体网络性能。然而，提高接收器灵敏度并非没有挑战。随着接收器灵敏度的提高，它也可能变得更容易受到其他来源的噪声和干扰的影响。这种现象被称为灵敏度与选择性之间的权衡。因此，工程师必须仔细设计接收器，以平衡这些因素，确保它们能够捕捉微弱信号，同时拒绝不必要的噪声。总之，接收器灵敏度是通信技术中的一个基本概念，影响各种设备和系统的性能和可靠性。它的重要性不可低估，因为它决定了设备在不同环境中通信的能力。随着技术的不断进步，提高接收器灵敏度的追求将始终是研究人员和工程师的优先事项，推动创新，增强我们在广阔距离内相互连接的能力。