wide band channel 中文意思是什麼
wide band channel
解釋
寬帶通道-
The factors limiting the frequency band of the wide - band amplifier are introduced. through analyzing the effects of the intrinsic parameters and parasitical on the frequency characteristics, a method of improving fr of mosfet by using short channel device and making mosfet work at the saturation region through raising vgs is put forward ; the effects of different kinds of circuit configurations on the frequency characteristics and the junction voltage on the voltage pattern circuit, current pattern circuit and frequency characteristics are analyzed. according to the linear theory of transconductance which is applied in the bit circuit, the current pattern amplifier circuit, current transfer circuit and output circuit which consist of mosfet and the wide - band amplifier composed of them are put forward
介紹了限制寬帶放大器頻帶寬度的因素，通過分析mosfet的本徵參數、寄生參數對頻率特性的影響，提出了採用短溝器件、使mosfet工作在飽和區、抬高柵源電壓等提高mosfet特徵頻率的方法；分析了不同電路組態對放大器頻率特性的影響、節點電壓對電壓模電路、電流模電路頻率特性的不同影響，根據應用於雙極晶體管電路的跨導線性原理，提出了採用mosfet構成的電流模放大電路、電流傳輸電路、輸出電路以及由它們所組成的寬帶放大器，獲得了良好的頻率響應。 -
Wide - band channel wbc
寬帶通道 -
Though wide - band has been used widely, it ' s not wide enough to watch high - quality real - time video. futhermore, wiless communicaton has become a hot technology, it has limited band and unstable communication channel which result in high percentage of errorness in this situation, if people want to watch realtime video, it has high demand that video producer compress the video as small as possible when quality is good enough and receiver have ability of error resilience
另外，無線通信已經成為當前it領域的一個大熱點，對無線通信來說，帶寬就更加有限，並且傳輸線路不穩定，錯誤率高，在這種情況下，如果想通過無線網路在線觀看視頻，必然需要視頻發送端在保證質量的情況下對視頻進行盡可能的壓縮，同時提供強大的糾錯和抗錯能力。 -
The hotel has after designs devotedly, the elegant pleasant guest room and the anteroom, provide the high tech the commerce, the entertainment system wide band connection, language mailbox, international long - distance direct dialing telephone, international satellite tv channel and so on as well as the upscale comfortable furniture and the health bath facility, with ease causes the commercial passenger to be joyful, takes vacation the passenger comfortablely to ramble
酒店擁有經悉心設計，典雅宜人的客房和套房，均配備高科技的商務娛樂系統寬帶介面語言信箱國際長途直撥電話國際衛星電視頻道等以及高檔舒適的傢具和衛浴設施，使商務旅客輕松愉悅，度假旅客自在逍遙。 -
For implement of wide band modulation, multi - carries and elimination of adjacent channel interference to satisfy ber requirement in wcdma system, which is most popular in 3g technology, the linearity requirement of the base station power amplifier becomes tighter
以wcdma為代表的第三代移動通信技術，為實現寬帶調制、多載波應用，同時減小鄰通道干擾以滿足通信系統的誤碼率要求，對基站發射機功放的線性指標要求苛刻。 -
Chapter 5 introduce the design of the fiber data transmission card bassed on pci bus, and give the debug result of wide band digital t / r module transmission channel
第四章介紹了寬帶數字t / r組件發射通道試驗電路的fpga程序設計。第五章介紹基於pci總線的光纖數傳卡的設計以及試驗系統的測試與結果。 -
Chapter 3 introduce the circuit design of wide band digital t / r module transmission channel. chapter 4 introduce the fpga software design of wide band digital t / r module transmission channel
第三章介紹了寬帶數字t / r組件發射通道試驗電路的硬體設計，包括光纖介面電路、 ddws電路、正交調制電路的設計。 -
At last, in term of the property of wide band of fra, the interference between channels of multi - channel amplification system is discussed. in multi - channel system, the relations between signal - interference ratio and input signal wave power, between signal - interference ratio and the number of channel and between signal - interference ratio and gain of fra have be discussed. the way of restraining the interference is produced
最後結合喇曼放大器寬帶寬的特性討論了在多通道系統中光纖喇曼放大器的串擾問題，研究了在多通道系統情況下，系統中的信擾比與信號輸入光功率、通道數以及放大器增益之間的關系，並提出了減小此串擾的方法。
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