frequency source造句
例句與造句
- Design of broadband phase locked sweep frequency source
2306在鎖相環(huán)式頻率合成器中應用 - Run command / frequency source are easy to select with a dip switch
通過dip開關，能容易的選擇運行命令/頻率源。 - The paper was based on the goal of low phase noise , high resolution to study and analyze the wideband frequency source
本文正是基于低相位噪聲、高分辨率為目的,對寬帶頻率源作了研究和分析。 - To meet the waveform requirements , dds + multiplier + upconverter was used to realize the c - band fmcw frequency source
為滿足波形參數(shù)要求,本文設計了dds +倍頻+上變頻的c波段三角形調頻連續(xù)波頻率源。 - At last , the stability of frequency can be obtained according to the case that the phase between two frequency source varies with time
最后根據(jù)兩頻率源間的相位隨時間的變化情況，換算出被測頻率源的頻率準確度和穩(wěn)定度情況。 - It's difficult to find frequency source in a sentence. 用frequency source造句挺難的
- The whole system adopts one pll only to control vco to output the ultra wideband frequency of 2 ~ 12ghz , and realizes small volume , low cost microwave frequency source
整個系統(tǒng)采用單環(huán)鎖相控制vco ,輸出2 ~ 12ghz的超寬帶頻率,實現(xiàn)了小體積、低成本的微波頻率源。 - Direct analog frequency synthesis is an important way to yield high - performance frequency source . however it usually leads to high volume and fairly high spur level
直接式頻率合成是獲得高性能毫米波頻率源的一個重要方式,但是它體積大,設備復雜,雜散也較大。 - Whatever it is radar , eccm equipment , communication equipment or instrument , frequency source with high stability is needed to guarantee the quality of carrier signal
無論是雷達、電子對抗，還是通信、儀器設備等都需要高穩(wěn)定度的頻率源，以保證載波信號的質量。 - As for mm - wave radars , they generally require frequency sources of full - coherence 、 high spectrum pureness and frequency - agile ability 。 this task was carried out just aiming at high ? performance mm - wave sources
本課題即是為研制低相噪、低雜散、窄步進、捷變頻的全相參毫米波頻率源而開展的。 - The tested results show that the designed c - band fmcw frequency source meets the waveform requirements , and its output power is more than 20dbm . however , the spur level was too high in the bandwidth
實驗表明所設計的c波段fmcw頻率源達到波形參數(shù)要求,發(fā)射功率達到20dbm ,但帶內雜散抑制不理想。 - Single frequency source is usually used as local oscillator in communication system and radar system , also as a reference clock in digital circuits , so it is a extensive - applied technique
固定頻率源可以在在通訊系統(tǒng)和雷達系統(tǒng)中作為本機振蕩器,也可以作為數(shù)字電路的基準時鐘信號,因此得到了廣泛的應用。 - Our work have proven the possibility of avalanche high order multiply technology in millimeter wave band , and present valuable research for the novel millimeter wave frequency source technology
實驗驗證了利用雪崩器件在毫米波頻段實現(xiàn)高次倍頻切實可行,對這種新型毫米波頻率源技術進行了有益的研究和探索。 - The paper analyses the principle of variable frequency source and brings forward that using electric electron technology make variable frequency output , and using high power dynatron that is parallel connection magnify power
文中對該變頻電源的工作原理及主要硬件作了較詳細的介紹；提出利用電力電子器件實現(xiàn)輸出大功率。 - With the rapid development of mobile communication systems , the existing gsm and narrowband cdma cellular system cannot solve the contradiction between the limited frequency source and the increased mobile users
隨著移動通信的飛速發(fā)展，現(xiàn)有的gsm系統(tǒng)和窄帶cdma系統(tǒng)已無法緩解頻率資源有限與移動用戶急速增加的尖銳矛盾。 - The optimized design and performance of the circuit of sampling phase - locked frequency synthesizer in microwave high - stability frequency - synthesizing technology are researched for the high demand of microwave frequency source
針對衛(wèi)星電視接收機中微波高穩(wěn)定本振源的要求，重點研究了取樣鎖相頻率合成器電路的優(yōu)化設計及性能。
更多例句： 下一頁