radar

Các nghĩa

1. ra đa

   In full primary radar: a method of detecting a distant object and determining its position, velocity, or other characteristics by analysing radio waves (usually microwaves) which are sent towards the object and which reflect off its surfaces; also, the field of study of this method.

   uncountable

   They were able to find the enemy fleet using radar.

2. ra đa thứ cấp (phương pháp dò tìm dựa trên tín hiệu phản hồi)

   In full secondary radar: a method of detecting a distant object and determining its position, velocity, or other characteristics by analysing signals transmitted by the object in response to radio waves sent towards the object.

   broadly · uncountable

3. hệ thống ra đa (phân loại theo đặc tính kỹ thuật)

   Often preceded by a descriptive word: a system using one of the above detection methods, differentiated by configuration or platform, frequency, power, and other technical attributes.

   countable

   The Ministry of Defence funded the development of an entirely new radar and improved avionics.

4. trạm ra đa

   An installation of the apparatus for operating one of the above detection systems.

   countable

   Each of these aircraft has been upgraded with a new radar and a more powerful engine.

5. khả năng định vị bằng phản xạ (sóng âm, ánh sáng...)

   Often preceded by a descriptive word: a natural (for example, in an animal such as a bat) or human-made detection method based on the analysis of reflected signals other than radio waves, as light waves or sound waves; (countable) an instance of this.

   broadly · uncountable

6. trực giác, sự nhạy bén

   A superior ability to detect something; an awareness, an intuition.

   countable · figuratively

   His sensitive radar for hidden alliances keeps him out of trouble.

Dạng khác

• radars plural