typically they move in geosynchronous orbits about 22,300 mi (35,900 km) above the earth and operate at frequencies near 4 gigahertz for downlinking and 6 ghz for uplinking.
典型的通讯卫星位于地球同步轨道,约在地球上方35,900公里处,操作频率向地传输4吉赫,向上传输为6吉赫。
a gigahertz tem cell is developed according to the principle of asymmetric rectangular coaxial line.
根据非对称矩形同轴线原理研制了宽带吉赫横电磁波室。
if current design trends continue, he said, microchips will be running at 30 gigahertz by the end of the decade.
如果现在的设计趋势继续下去的话,他说,十几年后微芯片的频率将达到30g的频率。
up until recently, this was accomplished by accelerating the clock speed, which has leaped from kilohertz to gigahertz in my lifetime.
直至最近,这种状况都是靠提高时钟频率达到的,在我有生之年,我已看到处理器主频从几千赫兹上升至几吉赫兹。
this device could make it possible to manufacture electroluminescent diodes of entangled photon pairs, with rates close to one gigahertz (in other words around on billion hertz).
此装置可以让人们有可能制造频率接近1千兆赫(10亿赫兹)的纠缠光子对电致发光二极管。
the design of high frequency input connector is especially important for the development of wide band gigahertz tem cell (gtem cell).
研制宽频带的吉赫横电磁波传输室,其高频输入接头的设计尤为关键。
as the speed of microprocessors approaches the gigahertz range, delay test is becoming increasingly critical in industry and receives more attention in research field.
这使得处理器的测试面临着越来越多的挑战,特别是处理器的时延测试已成为工程应用的需要和测试研究领域的热点。
a few years ago people buying computers only looked at megahertz, or how many gigahertz , and so on.
几年前,人们购买电脑只能看着兆赫,或者有多少千兆赫,等等。
makes a change from talk of gigahertz and terabytes.
这种说法与之前使用的千兆赫和千字节的说法大不相同。
if you intend to map a large number (more than 50) nodes, or rendering graphs with large web-page thumbnails, make sure you have a gigahertz processor and multiple gigabytes of ram.
如果您打算绘制大量节点(多于50 个),或者使用较大的web页面缩略图呈现图形,确保使用千兆赫处理器和具有多个千兆字节的ram。
it makes a change from talk of gigahertz and terabytes.
这种说法与之前使用的千兆赫和千字节的说法大不相同。
gigahertz transverse electro magnetic (gtem) transmission cell is widely used in the field of electromagnetic compatibility tests.
吉赫兹横电磁波(gtem)传输室在电磁兼容测试领域应用广泛。
this study collects signals over a vast range of radio frequencies ( between 1. 2 and 3 gigahertz ) that might carry alien radio or television leakage, as well as a formal beacon.
它收集宽广的射频范围内的信号,在这个范围可能有外星人泄露的无线电和电视信号或他们发射的信号(在1 。2到3兆赫之间) 。